相對高度位置 的英文怎麼說

中文拼音 [xiāngduìgāowèizhì]
相對高度位置 英文
relative altitude position
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 高度 : altitudeheightelevation
  1. The influence of inflow velocity, the baffle body height and the clapboard position on the flow velocity, flow equilibrium between the two sides of the clapboard, particle distribution, rich / lean concentration ratio and flow resistance characteristic are studied numerically

    文章研究了來流速,撞擊塊、隔板等因素場、隔板兩側配風均勻性、顆粒濃、濃淡分離比和燃燒器內阻力特性的影響。
  2. Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth

    研究了激光與生物組織互作用、光蝕作用及準分子激光消融角膜的機理;首次定量研究193nm準分子激光斯光束的切削量與能量密的關系,計算單個激光脈沖角膜切削量;發現了角膜曲率切削效果的影響,首次提出了角膜曲率半徑、切削與切削深的關系;首次定量確定了激光光斑參數及其排列方式術后角膜表面粗糙的影響,為更精確實現角膜切削和提切削后角膜表面光潔、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。
  3. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針分子絮凝黃河泥沙,絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合符西安建築科技大學博士學論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體符,在一定程上能夠反映分子絮凝黃河泥沙生成的絮體結構。
  4. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共振情況(即斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致)比,非共振條件(即斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差)一透射光束的峰值強、峰值強應的、以及光斑的大小隨入射角的變化都發生了顯著的改變。
  5. Both composite and correlation analyses show that the 150hpa asia - australia cef ( aacef ) in boreal spring has important influences on easm. when aacef is weaker, the summer wpsh tends to be stronger with a southwestward extension, and the south asia high ( sah ) will be stronger too. this circulation pattern will lead to more rainfall in the yangtze and huaihe river valley and less rainfall outside of this region

    關分析和合成分析的結果還顯示,春季150hpa亞澳越赤道氣流東亞夏季風有重要影響:當春季該氣流偏弱時,北半球夏季西太平洋副偏強,偏南偏西,南亞壓強也偏強,這樣的環流背景使江淮流域6 ? 7月降水偏多,華南華北降水偏少;反之,當春季該氣流偏強時,夏季西太副偏弱,偏北偏東,南亞壓強也偏弱,江淮流域夏季降水偏少,華南華北降水偏多。
  6. Automatic tracking device : when the height of the aircraft varies due to load changes, the boarding bridge automatically tracks the height of the aircraft door so as to keep a position matching with the aircraft door

    自動跟蹤裝:當飛機由於承載變化使發生改變時,登機橋自動跟蹤飛機艙門的以保持與飛機艙門的
  7. A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle

    試驗研究發現,氣體噴嘴氣固噴射器的輸送能力影響最大,氣體噴嘴存在某一最佳,而這一最佳與背壓、輸送物料特性和輸送風特性關聯;氣固噴射器的收縮角其輸送能力、內部靜壓分佈和輸送管阻力特性均有適量影響,收縮角增大整個輸送系統均不利;在適當的輸送風范圍內,提氣體噴嘴出口速比擴大氣體噴嘴尺寸更為有利,但氣體噴嘴出口速會增加氣固噴射器和輸送管內的能量損耗,給輸送帶來不利的影響;系統背壓與氣固噴射器的氣體噴嘴出口速的選取有關。
  8. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,通過較長時間的干積累,在多普勒頻域上目標進行分辨。而于編隊目標,可分為近似剛性的多目標和非剛性的多目標,所以于可以近似為剛體的編隊目標固定,運動方式一致,可以近似看作一個大目標,採用最小墑準則平動的進行補償,但是大多數並不滿足剛體近似的編隊目標,由於目標在干積累時間的多普勒頻率近似呈線性變化,通過較短數據利用relax的時頻分析方法,提了頻率域上目標分辨的性能。由於橫向解析取塊于橫向積累時間,所以利用radnwigner變換得到瞬時的一維橫向距離像大大提編隊目標的分辨,模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  9. The water environment of city archtecture plays an important role in the landscape design : as is well known that landscape designers whether in china or in foreign countries, classical or morden, all give high praise on water design. as the improvement of people ' s aesthetic level and human life quality and devotion of ecological concept, now archtecturers give more and more attention to the use and import of water in environment design and then make full use of water to make comfortable and elegancy environment

    城市建築水環境在環境景觀中占據著重要的:以水造景及水體在景觀中的地是人所共知的,古今中外的環境、景園設計師無不給予的重視。隨著人們的審美情趣和生活質量的不斷提、保護生態環境的意識也在不斷增強,環境設計中更加重視水的利用和引入,設計師們也競用水造景。
  10. According to differences of construction process, boundary condition, temperature and stress of two schemes extending 3m deep short seam on upstream face in the middle of rcc overflow section and no short seam are calculated, what " s more, in this paper the equivalent line drawing of stable temperature field and unstable temperature field during construction and operation period and the duration curve drawing of typical points " s temperature and stress are plotted, and the results of peak and minimum on temperature in every month and maximum on tensile stress are attained

    根據施工過程和邊界條件,溢流壩段中間上游面增設3m深短縫和不設短縫兩個方案進行了溫和應力計算,並繪制出穩定溫場等值線圖及施工期、運行期非穩定溫場等值線圖,典型點溫和應力歷時曲線圖,逐月最、最低溫和最大拉應力及等成果。
  11. 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功率ld泵浦nd : yag激光器,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激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光移傳感新方法,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斯變化規律,測量范圍和靈敏依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光移傳感器的測量范圍和靈敏分別是13 . 045mm和0 . 148mw / pm 。
  12. Our nation is transforming from traditional agriculture society to modern industry society and it ' s traditional institutions need change, too. under planned economy system. unit system of higher education was set after 1952. in condition of the system of market economy, unit system of higher education has n ' t fit the need of universities and social development, so it must be transferred to contract system of higher education. which suits to the system of marketable economy. thus this will largen universities " scale. increase it ' s quality and benefit moderization of higher education and society

    其中, 1952年以後的「教單制」是在計劃體制之下形成的一種教制。在新時期的市場經濟條件下,教單制已不適應校和社會的發展要求,因而要其進行變遷。繼而要建立全范圍的與市場經濟吻合的教契約制,使校的規模、質量、效益得到擴大和提,實現教現代化,從而致力於社會現代化。
  13. The structure of the modern woodwork, processing quality has proposed higher demand to the wood processing equipment, for instance : wooden tenon position public errand, hole of interval, modes in chinese operatic music of furniture must high many rows of drill is it realize to come very by precision, panel unloading to is it realize to come by accurate person who cuts out board, is it is it is it is it sharpen by accurate numerical control machining center is it realize to come to mill to process to pare to milling extremely high of imitating etc.

    現代建築裝飾及家具行業的發展與加工設備是休戚關的。現代木製品的結構加工質量木材加工設備提出了較的要求,如:板式傢具的木榫孔間距的公差必須由精的多排鉆來實現,板材下料是由精密裁板機來實現,仿型極的銑削加工是由精密數控銑削加工中心來實現的。
  14. In this paper, chroma dc coefficients are selected as the carrier data because chroma dc coefficients are robust. also, alterable steps are used to select one part of the coefficients, so the watermark is imperceptible ; before watermark embedding, the watermark is divided into many parts, every part is individually embedded into one gop of the video, even if a gop is destroyed, the watermark can be extracted correctly, this methods promotes the robustness of the watermark ; in addition, in order to promote the security of the watermark, the user ' s id and password are used to generate chaos sequence by the chaos system which is created in this paper, later, watermark is mixed by the chaos sequence. also, the embedding position of the watermark bit is modified by one chaos sequence, so, unauthorized person can not extract or remove the watermark, since the embedding position is unknown

    本文認為,色dc系數是魯棒性非常好的參數,因而選擇色dc系數作為水印信息載體,同時,採用可變的步長選擇部分系數,保證了水印的隱形性;在嵌入水印時,本文採用水印信息「網格劃分」 、各子塊獨立嵌入視頻的方案,由於水印信息子塊是獨立的嵌入視頻中的每一獨立的圖組當中,即使某一圖組收到一定破壞,也能夠恢復水印信息,使水印的健壯性得到提;此外,為了提水印信息的安全性,在嵌入水印信息時,根據用戶輸入的id號和密碼,利用本文構造的混沌系統產生的混沌序列水印信息進行變換,同時,每一水印信息比特的嵌入也採用了偽隨機序列進行調整,這樣,未授權用戶不能提取水印信息,也難以擦除其中的水印信息,因為嵌入的是未知的。
  15. The search space is divided into many small areas, and each area is given a certain pheromone value. according to the state transition rules, the artificial ants move to the next solution which is generated randomly or calculated by particle swarm optimization. local search strategy is also added into psaco so that the search speed and precision is enhanced

    該演算法首先將連續象定義域平均分成許多邊緣互重疊的小區域,區域的稠密程決定了演算法解的精,每個區域賦予一定的信息素值;螞蟻根據狀態轉移規則在隨機生成的可行解與利用微粒群演算法得出的可行解之間選擇下一步要去的;引入局部尋優策略,加強近似最優解鄰域內的局部搜索,提搜索速和精
  16. In 1999, the dipole existed in between the okhotsk high and the depression in the north of northeast china, thus the okhotsk high became active and maintained, the subh was located to an area quite further south than usual. the high persisted in the east region of nw china, the cold air flowed to the mid - lower reaches of the yangtze river along the high. in the east region of nw china, air steam under troposphere was strong sinking motion, and formatted the negative vorticity region, the vapour flux divergence was divgence. lt was apparently that the rain could n ' t occur in the eastern portin of nw china. in 2000 year, okhotsk high was very weak or did n ' t exist in, there was high in the east asia - japan, the subh is located to an area further north than usual. in the east region of nw china, the trough maintained, air stream under troposphere was strong ascending motion, the cycolonic circulation was prevailing, the vapour flux divergence was intensive convergences the rain easy happened in the east areas of northwest china

    4多梅雨1999年鄂霍茨克海阻塞壓與我國東北北部低壓形成偶極子,使得阻塞壓穩定少動,西太副偏南,西北地區東部持續受壓控制,冷空氣沿此壓流經長江中下游地區上空;在西北地區東部流層中下層氣流下沉運動較強,呈反氣旋渦,水汽通量散輻散,不利於西北地區東部降水。空梅雨2000年反,鄂霍茨克海壓減弱甚至不存在,東亞-日本為壓,西太副偏西偏北,西北地區東部處于西風槽中,流層中下層氣流上升運動增強,盛行低壓環流,水汽通量散強烈輻合,有利於降水生成。
  17. For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized

    為了提實時性,交流采樣演算法進行了簡化,並提出了由於非同步順序采樣所造成的誤差的補償演算法;針轉速、轉子角等脈沖寬信號的測量,深入分析了測量原理,設計了基於isa總線的智能介面卡;編制和調試了基於c + +的全部測量控製程序;完成了整個系統的調試,並總結了調試方法。
  18. It can be used in any complex environment, can locate all paths from transmitter to receiver which avoid redundant calculation, and it is a standard 3 - d forecast model ; in addition, it is a point to point ray tracing method based on specular theory which do n ' t carry out the receive test ; furthermore the model adopt the reverse arithmetic which exert the tree concept in data frame and establish a virtual fountain tree permanently, the proagmme can back - search the virtual fountain tree when it is running. these operation increase the calculate speed and it result in the higher receive efficiency and precision. the thesis design a programme to compare the prediction results based on ray tracing method of virtual fountain tree between the measurement results and prediction results based on the other transmittion models. the comparsion result indicate the new model is a better model

    它可應用於任何復雜的傳播環境中,能找到發射機到接收機之間的所有電波傳播路徑而無須冗餘的計算,是一種準三維的預測模型;另外,從本質上講,它仍然是一種基於鏡像理論的點點的射線跟蹤法,所以它無須進行接收測試;而且由於採用了反向演算法,運用數據結構中多叉樹的概念,先確定需要計算的場點,找出所有能從源點到達場點的射線,並且可一次性建立一個虛擬源樹,以後每次的計算只要通過該樹進行後序遍歷即可,大大提了運算速,因而有較的接收效率與精。本文該模型進行了應的模擬,並將其預測結果與實測結果以及基於cost231經驗性模型和基於強力射線跟蹤確定性模型的預測結果進行了比較,結果表明了該模型的優越性。
  19. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知,使傳感器為/ 2 ,減小電極間距,提電光重疊因子,減小器件插入損耗,採用合適的分段數,增加電極長,增大光功率,降低激光的波長,減小噪聲,減小接收帶寬,靈敏的效果是非常明顯的。而減小天線長,降低調制器電容,電極分段,都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率,採用較低的光學偏,都可以增大線性動態范圍。
  20. The sub - optimal filter, which uses a 6 1 vector ( 3 position components and 3 velocity components ) as well as the corresponding covariance matrix to evaluate the performance of the filter, linearizes the original nonlinear system model and nonlinear observation model at their respective reference sample points

    這一濾波方法非線性的動力學系統模型與觀測模型做了線性化近似處理,並選擇由彈道與速分量組成的6維狀態矢量及其應的協方差陣來評估系統濾波的效果。
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