速度分選原理 的英文怎麼說

中文拼音 [sùdùfēnxuǎnyuánlǐ]
速度分選原理 英文
velocity-sorting principle
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 原 : Ⅰ形容詞1 （最初的; 原來的） primary; original; former 2 （沒有加工的） unprocessed; raw Ⅱ動詞（原...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗，系統分析了浮箱門在靜水和動水中的穩定性及其影響因素，指出靜水穩性和動水穩性的不同特點；試驗測定了浮箱門動水運行時的受力情況，給出並分析了定位過程轉動力的變化過程曲線；根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系，選擇合理的動力設備，為設計和工程實踐提供可靠依據；分析浮箱門難以穩定上浮的原因，並給出解決方案。
  3. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  4. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  5. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論，特別對利用空間信息進行閾值選取進行了詳細論述；在對通過對基於數學形態學的細化的基礎上，討論序貫同倫形態細化演算法和保形的快速形態細化演算法；然後依據聯機字元識別原理框圖，分析了手寫數字的結構特點，提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術，對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述；繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究，對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振（ art ）網路的字元識別分別進行了詳細討論，並引入置信度分析將多個分類器進行了混合集成；最後簡單闡述了手寫數字識別的典型應用，對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。
  6. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。
  7. The mainly work has : the relation of boron contents and the average liner burning rate, through which chooseing suitable boron contents in these delay compositions ; the impact of different particle diameters on delay characteristics, by the means of granularity classfication ; the impact on delay characteristics through pre - treatment to the raw materials and improvement of mixing means ; and some other factors, such as the pressure of charge, loaded times, the charge mass of delay composition ; at last, the mechanical intensities of boron based delay compositions with some different binders

    主要的研究內容有： b含量與線性平均燃速的關系，並由此選用b含量適合的延期藥；通過原材料的細化與粒度分級，研究了粒度對延期性能的影響；原材料預處理和混藥方式對延期性能的影響；以及影響延期性能的其它因素，如壓藥壓力、壓裝次數、裝藥量等；最後還研究了含不同粘合劑的硼系延期藥的壓藥藥柱強度（機械強度）等。
  8. Analyse the research of distributing of microbe community and the tendency of the change, disscuss the principle and traits of denaturing gradient gel electrophoresisand terminal restriction fragment length polymorphism, to research the law of change that the microbe community have in composting process, we can get effective and rapid information to filtrate the microorganism during composting process, then accelerate the development of compost technology

    摘要對堆肥微生物種群分佈及其動態變化的研究進行了分析，論述了分子生物技術中的變性梯度凝膠電泳和末端標記限制性片段長度多態性的原理和特點，以及用於研究堆肥微生物的群落結構演變規律，為分析和篩選堆肥中的微生物提供更加有效、快速的信息，促進堆肥技術的發展。
  9. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  10. First we introduce theory and merits of graphic wavelet transform, then mallat algorithm, multi - scale characteristic, quadratic b - alpine wavelet and the coefficients of this filters, and etc. later we calculate the gradient matrix based on the result of wavelet transform, thin the contour and get spatical information

    先介紹圖像小波分解方法的原理、 mallat快速演算法、多尺度特性、 3階b -樣條小波基函數的選取及其濾波器系數的推導等，然後根據小波變換結果計算梯度矢量矩陣，進行非極大值抑制和雙閾值化，提取目標輪廓。
  11. It analyses the causes to bright image movement, studies principle to compensate image movement, conforms project to compensate image movement, and designs framework to compensate image movement in the article ; to analyze and design configuration of the scanning mirror, to select matters of mirror and its support structures on the principle of consistent line expansion coefficient ; to ascertain type of moment electromotor by most rotating angle speed and most rotating moment which are required by loads in the period to take pictures, as well as by figuration size of electromotor ; to design retarder according as the electromotor parameters ; to design and optimize lightweighted mirror shapes, because the mirror is key part ; to design flexure support structure, to analyze static and dynamic characteristics of the support structure by name of patran program for validating desig n rationality ; to study function of the scanning mirror electric control system ; to test precision of the system, the results indicate the rationality of design of the scanning mirror system

    本文通過分析像移產生原因、研究像移補償原理，確定像移補償方案，並根據像移補償原理設計補償機構；分析與設計掃描反射鏡系統結構，根據材料線膨脹系數一致原則，選擇反射鏡及其背部支撐的材料；由掃描反射鏡在擺掃周期內的最大擺掃角速度確定力矩電機的額定轉速，根據負載力矩確定電機的額定轉距，綜合電機外型尺寸等因素，確定執行元件? ?電機的型號；根據所選電機的參數指標，設計1 ： 6速比的減速器；利用patran軟體對掃描反射鏡系統中的關鍵件? ?反射鏡進行輕量化設計與優化；設計反射鏡柔性支撐結構，並通過軟體分析支撐結構的力學特性，驗證反射鏡柔性支撐結構設計的合理性；從原理上研究掃描反射鏡控制系統功能；進行系統精度測試，測試結果表明掃描反射鏡系統設計的合理性。
  12. With a purpose to provide basic data or figures for the feasible research of a project construction and its planning, taking the practical project of preselecting a factory location for an instance, using the principle and method of shallow seismic reflection, based on the area conditions, differences in physical features and disturbance, with experiments on typical sections of the construction area, one can draw reasonable measuring lines, choose right modes of producing and receiving waves, conduct primary and precise computer data processing, acquire a distinct reflected wave section from a shallow depth and explore the stratum structure in the preselected location and the distribution of longitudinal waves

    摘要結合某重大工程預選廠址項目的工程實例，利用淺層地震反射波法的原理和方法，根據現場的場地條件、物性差異和干擾情況等，結合典型地段的試驗，合理布置測線，選擇恰當的激發和接收方式，進行初步和精細的計算機資料處理，可以得到清晰的淺層反射剖面，準確地查明了預選廠址的地層結構和縱波速度分佈，為工程建設的可行性研究和規劃提供了基礎資料。
  13. By simulating mathematically on frequency and on space, we can find the average speed of space field and the average speed of frequency field that is weighted by amplitude, and analyse their relation, and analyse the meaning of space speed variance x and frequency speed variance v. in the fourth part, how to ensure the height of cloud is introduced, and basing on the theory of wind field continuity, the height updating quality controlling is introduced. in the fifth part, the system of cloud wind is introduced, we tracked cloud - motion of consecutive satellite images with one - minute interval by the 1 - d fourier analysis technique and the two - dim fourier analysis technique and the fft analysis technique, and dispose them with quality controlling. in the sixth part, we summarized our research and put up with shortages of this article

    模擬模塊內各點的速度線性變化時，得到空間域平均速度以及頻率域以振幅為權重的平均速度，分析了空間域平均速度和頻率域以振幅為權重的平均速度的關系，並揭示空間域的平均速度的標準差_ x和頻率域的振幅為權重的平均速度的標準差_ v的意義，以及它們之間的關系；第四章介紹了雲跡風系統的高度指定以及風矢高度的劃分，並根據風場連續性原理，介紹了高度調整法的質量控制；第五章介紹導風系統的流程，選擇了三個時刻的ir雲圖，分別用一維傅立葉相位法、二維傅立葉相位法和快速傅立葉演算法計算一個風場個例，並對所得風場進行質量控制，並給出風場圖；第六章進行研究總結，指出不足和有待于進一步研究之處。
  14. Loading grads is another non - structure coefficient influencing loading characteristics except loading frequency. the low grads characteristics are analyzed deeply by simulation, and found that applying structure invariance principle with acceleration compensation can reduce loading grads effectively. the dissertation also simulates and compares the systems with connect hole of different size, and founds that the size of connect hole has an optimized value

    加載梯度是除了加載頻率之外另一個影響加載性能的非結構上的參數，論文作了大量的模擬分析來研究小梯度加載特性，得出了具有加速度補償的結構不變性原理可以有效的降低小加載梯度時的多餘力矩的影響;通過對具有不同的總壓力流量系數的系統的模擬比較，得出了連通孔的大小在不同工況下存在一個最優的值，其開度需要合理的選擇。
  15. The kalman filter theory is introduced and the dynamic error vector equation of the initial alignment is derived at the first. using velocity error as exterior value of observation, maneuverable characteristic that is influenced with system ' s observability and its degree is studied at length by do amount of simulations and experiences. choosing output error of accelerometers and angle error of attitude as observation respectively and system observation model is derived, which is based on analyzing kalman filter theory

    首先介紹了卡爾曼濾波理論及相關技術，建立了系統卡爾曼濾波的狀態方程和觀測方程；首先採用速度誤差作為觀測值，詳盡的研究了系統機動特性對可觀測性和可觀測度的影響，並做了大量模擬實驗：通過對濾波原理的分析研究了影響的原因；分別選用加速度計輸出誤差和轉臺輸出姿態角誤差作為外部觀測值，推導建立它們的觀測模型，並通過模擬證明了分析結論的正確性。
  16. The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver

    介紹了瑞雷波勘探的原理和f - k域分析法的計算過程，分析了各參數對瑞雷波相速度計算的影響，通過實驗數據分析了影響瑞雷波勘探的主要因素，就如何選擇最佳采樣率、道間距、偏移距、震源以及檢波器等提出了幾點建議。
  17. This project is sponsored by the limited liability electric implement company of heifei sanyang rongshlda. it will be used to adapt to the product line to product the newtppe microwave oven, to pour glues for the around of the micro wave oven ’ s lumen and panel the paper introduce the hardware composing and the designing of this system, introduce this system ’ s work principle of the route about gas and glues, the principle of the measuring, the measuring principle of the glues ’ location and the temperature analyse the selection foundation of the step by step electric machine key words : the automatic mixing pouring machine of the two different glues, step by step electric machine, singlechip, miero - wave oven

    本課題來源於合肥榮事達三洋電器有限責任公司，是為了適應即將投入生產的新型微波爐的生產線，實現對微波爐的內腔和面板四周自動灌膠的產品研發項目。本論文介紹了全自動二維灌膠系統的硬體組成及軟體設計，介紹了本系統的氣路、液路工作原理、計量原理、液位及溫度檢測原理，分析了步進電機選擇的依據，步進電機運動的控制及加減速運動規律。
  18. Based on the formers, this dissertation efficiently selects the face features abstracting using ica. with no decline of recognition rate, the feature dimension is reduced, so the course of recognition is accelerated. support vector machine pattern recognition method is based on vc dimension theory, adopting the srm principle and considering training error and the generalization ability, which has shown many special advantages in dealing with small samples, non - linear and pattern recognition in high dimension

    本文採用基於矩陣s的人臉表示方法，將ica特徵選擇的概念和演算法用於人臉特徵的提取和優化，在不影響識別率的情況下，降低了特徵維數，提高了識別速度；支持向量機（ svm ）模式識別方法基於vc維理論，採用結構風險化原理，兼顧訓練誤差和泛化能力，在解決小樣本、非線性及高維模式識別問題中表現出許多特有的優勢；對于多類問題，介紹並採用了「一對一」的策略進行svm分類器設計；對于圖像預處理，詳細介紹了幾何歸一化的演算法步驟。
  19. Applying the computer program developed by this paper, and choosing the real values of the gear transmission, this paper has completed more than 50 sets of calculations of the thermal elastohydrodynamic lubrication based on the non - newtonian fluid. the following conclusions can be drawn according to the computational results : 1, when the gear teeth are engaged at the pitch point, the changes of both the gear rotational speed and the load have little influence on the pressure distribution and the film shape, but they have large influence on the film temperature distribution

    應用本文研發的計算機程序，選用齒輪傳動的實際參數，先後進行了50餘組的基於非牛頓流體的熱彈流潤滑計算，所得的主要結論如下： 1 、當齒輪在節點嚙合時，齒輪轉速及載荷的變化對壓力分佈口太原理工大學碩士學位論文和油膜形狀的影響不大，但對溫度分佈有明顯的影響。
  20. Stfs is a good coding arithmetic which is simple and easy to realize. moreimportantly stfs has higher diversity order and encoding gain than sts at the samesymbol rate. it can repel channel fading, improve data rate and wireless systemcapacity availability, stand against frequency selectivity fading, eliminate theintersymbol interference

    該編碼演算法不僅在方法和原理上簡單，而且易於實現，在相同符號率下比空時擴頻具有更大的分集度和更高的編碼增益，能有效抵抗通道衰落、提高數據速率、提高無線系統容量、很好的對抗頻率選擇性衰落和消除符間干擾。
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