過濾式分析 的英文怎麼說

中文拼音 [guòshìfēn]
過濾式分析 英文
analysis by filtering
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 動詞(除去液體雜質) filter; strain
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : 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
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • 過濾 : [工業] filter; filtrate; screening; colation; filtration; filtering; lautering; colating; straini...
  1. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方法解決了fmpcw信號的由於目標距離超雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了,給出了更為嚴格的約束條件,保證了信號處理后距離譜峰值的唯一性。最後,別介紹了fmpcw和fmicw信號的不同處理方,並對兩者不同的時域波性能進行了比較,並對二者的差異進行了
  2. The input signals pass through the prepositive circuit which transforming the measured signals ( voltage or current ) into small voltage signals, the signal adjust circuit consist of programmable - gain amplifier and filter, and digital signal processor tms320lf2407 for data acquisition and processing in turns. provide the measuring results on lcd module. and also can transfer data to the pc ’ s rs232 for farther analyse

    採用前置電路將被測信號(電壓或電流)變換為小電壓信號,經信號調理電路對信號進行程控制放大和波后,通tms320lf2407實現信號的數據採集、信息處理和計算,將測量結果通液晶模塊顯示,還可經rs232介面與計算機進行數據傳輸,做進一步的和應用。
  3. The knowledge source which have relative stable form and glossary is analyzed, and the data mining step for this kind of knowledge is designed, viz. filter by key word - intercept - field specialist confirm. the standard glossary table and the " value " of each words is established, which enhance the expert system ability to knowledge acquisition and light the rough task of knowledge banks maintenance

    了具有相對固定格和術語的知識源,設計了適用於這類知識源的電子文本知識挖掘的步驟,即:關鍵詞?截詞?專家確認;形成了專業用語的標準化表和標準詞賦值表,增強了系統的知識獲取能力,減輕了專家系統的知識系統維護。
  4. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發,節省系統資源,課題首先從數字信號處理的理論進行,得出可以利用抽樣率轉換的數字波器的特點,即多相波實現數字上下變頻計算負擔的減小,之後進一步將多相波器與頻譜搬移部結合,通的推導,得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  5. According to the water supply source used the mining area in bai yun, based on the mechanism of coagulation and flocculation, the feasibility of removing fluoride from water with the method of coagulation and filtration is studied through experiment. and several key parameters which affect defluorination are also analyzed. by using polyaluminum chloride ( pac ) as coagulant, the optimum ranges of the operational parameters are obtained

    本文根據白雲鄂博礦區飲用水的供水水源,以混凝機理為基礎,通靜態和動態實驗,對用混凝法除氟的可行性進行了研究,並對影響除氟因素的幾個主要參數進行實驗,得出了用堿氯化鋁作為混凝劑進行實際運行時,參數最佳取值范圍。
  6. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括:提出了模糊隨機變量協方差和反向協方差的概念;研究了二階模糊隨機變量的均方收斂性,並在此基礎上得到了均方模糊隨機、平穩模糊隨機程及其譜解的若干定理;根據均方模糊隨機理論,得到了輸入為模糊隨機程的線性系統的輸出輸入統計特徵關系方程;證明了ito型模糊隨機微方程解的存在唯一性,並給出了ito型線性模糊隨機微方程解的表達,統計特徵方程以及非線性模糊隨機微方程的數值解法;得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman波演算法;研究了當觀測值是模糊數據時,線性回歸模型的建立。
  7. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    在基於中頻采樣的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行采樣量化,比較了幾種采樣的方,其中最為重要的是帶通信號采樣定理;然後探討了軟體無線電的一個重要基礎,即多采樣率信號處理,重點討論其最基本的兩個程抽取和內插以及抽取器和內插器的實現;接著介紹了結構簡單、適用於一級抽取的cic波器和適用於做2倍抽取的半帶波器;再次論文在總結了傳統的調制解調基礎上,結合軟體無線電器件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
  8. Soft client server is secretly installed on isp, wan, host computer of important and sensitive part needed to be controlled to collect network data. after transmitting in real - time to email monitor center, pop3, information such as smtp and web - mail from these data are analysis and retrievable, password intercepted, classified and alert, mean wile the center can monitor in real - time on over 1000 nodes by controlling working status and filter condition and software refreshment etc. the system occupies less than 4 percent of system recourse under the condition of without losing package

    客戶端採用隱蔽安裝方在需要控制的敏感地區的isp 、局域網、網吧以及上網主機上安裝,對進出的網路數據進行採集,然後將採集的數據實時發送至電子郵件監控中心,電子郵件監控中心對這些數據中的pop3 、 smtp以及web - mail電子郵件信息進行還原、口令截獲、歸類及報警,並根據情況對客戶端的工作狀態、條件、軟體更新等進行控制操作,從而實現了對高速網路( 100mbps以上) 、 10000個監控節點以上網路數據的實時有效監控。
  9. The main research contents of the technical design include : analyzing the necessary parts of the solar x - euv telescope and the method of imaging x and euv ray ; developing the optic, electronic and mechanical design of this instrument ; computing solar x - euv imaging telescope ' s response to different temperature plasma, analyzing combination application of telescope filters for reconstructing the plasma paramaters and apprasing the telescope ' s response to the solar activities

    技術設計的主要內容包括:瞭望遠鏡的系統組成及成像方選擇;完成太陽x - euv成像望遠鏡光學、電子學、機械等方面的技術設計:計算了太陽x - euv成像望遠鏡對不同溫度的等離子體響應、反演高低溫等離子體參數的最佳片組合利用及望遠鏡對不同太陽活動現象的響應。
  10. Using piezoresistive accelerometers and magnetoresistance sensors measure the dynamic acceleration and geomagnetic field and through avr mcu software to calculate the attitude angular and azimuth. the fact of affecting the module is discussed in detail in this report and put forward the resolving scheme of key technology of digital filter, linear compensation, temperature compensation and magnetic field adjustment. the digital module has advantages of small size, light weight, low conception, high accuracy, all solid state and high reliability

    本課題採用壓阻加速度計和磁阻傳感器別測量重力加速度和地磁場,通avrmcu軟體解算出姿態角和方位角,課題詳細了影響模塊性能指標的因素,就數字波、線性補償、溫度補償、磁場修正等關鍵的技術問題提出了可行的解決方案,研製的數字化模塊具有體積小、重量輕、低功耗、精度高、全固態、高可靠等特點,所有性能指標均滿足設計要求,為姿態角測量提供了有效的手段。
  11. On account of the disadvantages of the feedback reactive power compensator, a device of its simplified scheme is studied in this paper, in which the reactive power is adjusted by regulating the voltage of the low - voltage side of the transformer

    由於這種反饋補償方案存在一些問題,本文了它的簡化形,即通調節降壓變壓器低壓側的母線電壓來調節波器的無功出力的補償方案。
  12. Abstract : concentration polarization and fouling of membrane are the key problen which has effected in widening use of microfiltration. based on understanding on the flux decline and lateral migration deposition of porticles in tubular membrane, some analysis on effect factors of enhancement of microfiltration within tubular membrane with rotation flow is introduced, in this paper

    文摘:濃差極化和膜污染是阻礙微廣泛應用的關鍵難題,在認識理解顆粒遷移沉積和速率下降的基礎上,本文對旋轉流管膜微進行了一定的探討
  13. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii入手,重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的波器的設計方法,主要方法和結果如下:利用mddccii設計了差連續時間電流模低通、帶通波器;電流模跳耦結構考爾低通波器;利用fbccii設計了帶通二階節波器及電流模雙二階通用波器;設計了基於多輸出端ftfn的電流模二階通用波器電路;通數字化開關選擇的基於fbftfn的電流模通用波器;設計了基於最少個數電流緩沖放大器(兩個cdba )的多功能通用電流模波器及其在非理想因素情況下。設計波器的主要方法是採用級聯設計、運算模擬(信號流圖法)和反饋設計(跳耦法) 。
  14. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生方案,通處理除了由於裝配偏差和零點漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場,依據磁場的結論對編碼器常用的信號發生結構進行了改進,改進后的結構利用積原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電編碼器奠定了理論基礎。
  15. Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology. the discussion is mainly focused on the theory of edge detection. an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently, which laid the foundation for further analysis of underwater wet welding arc mechanism and process control

    文摘:通復合光技術和水下ccd攝像系統,採集出了藥芯焊絲水下濕法焊接電弧區域圖像,重點論述了邊緣檢測理論,確定了基於中值波和梯度運算元的電弧區域圖像邊緣檢測方法,有效地區了電弧燃燒區域和電弧氣泡區域,從而為水下濕法焊接電弧的機理及水下焊接控制制奠定了基礎。
  16. By the theoretical analysis and experimental test, the image processing procedure of the system has been designed. firstly, the system needs carry out pre - process : the median filtering and average filtering of acquired image, next carrying out the threshold of filtered image, then performing morphology, such as open, close and so on. next, the boundary of binary image is extracted

    理論與實驗驗證,得到了本系統圖像處理程:首先對採集的圖像進行預處理,包括均值中值波,通閾值割進行二值化,然後對二值圖像進行開啟、閉合以及進行邊界提取操作來獲得清晰的圖像邊緣,最後通邊緣檢測和擬合測量得到沖擊試樣各尺寸值,圖像坐標變換和模匹配可以完成檢測區域定位。
  17. Through analyzing strata ' s absorbtion and attenuation, the specialty of ssf in system - one ( two ) and 24 - bit a z a / d, the scheme to improve the data acquisition system is brought forward including the design of multiple differential spectrum equilibrium filter ( mdsef ) and program control amplifier

    詳細地層的吸收衰減特性, system - one ( two )頻譜整形波器及24位a d的特點,對現有採集系統提出了改進方案。其中包括對多級微頻譜均衡波器的理論設計,程控制型前置放大器的理論與設計。
  18. Introduced the working principles of screen bowl centrifuge and analyzed the influence of screen bowl centrifuge ' s structural parameters and operational parameters on dewatering

    摘要介紹了沉降離心機的工作原理,就結構參數和操作參數對離效果的影響進行了
  19. In the first place, start with theoretic model of distributed fbg strain - sensing network, sensing principle of fiber bragg grating is analyzed and sensing model created. on the basis of analyzing advantages and disadvantages of several familiar multiplexing and demodulation techniques, a mixture multiplexing method that combines optical frequency domain reflectometry ( ofdr ) and wavelength division multiplexing ( wdm ) is proposed to address fbg sensing array. at the same time, tunable narrow - band light source, which is composed of wide - band light source and tunable optical filter, is adopted to demodulate multiplex signals

    首先,論文從光纖光柵應變傳感網路的理論模型入手,了光纖布拉格光柵的傳感機理,建立光纖光柵應變傳感模型;在比較了常見幾種復用技術和信號解調技術的優缺點基礎上,提出應用光頻域反射復用技術和波復用技術相結合的混合復用方法來解決光纖光柵應變傳感網路的尋址問題,採用由寬帶光源和可調諧光波器組成的可調諧窄帶光源來解調復用信號,通理論和實驗研究證實了系統方案的可行性。
  20. The original knowledge which is described in natural language in electronic text is disposed by filtrating, semantic block segmenting, word segmenting, syntax and semantic analyzing, pattern matching. in the end it is expressed in the semantic network and storaged in the multimedia knowledge database

    在本系統中,原始的以電子文本形存在的自然語言描述的知識經,切語義塊,詞及語法、語義,模匹配,以語義網路的形存入多媒體數據庫。
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