檢波器后的 的英文怎麼說

中文拼音 [jiǎnhòude]
檢波器后的 英文
post-detector
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • : 4次方是 The fourth power of 2 is direction
  1. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路設計主要分三大部分來實現:激勵源電路部分,由分頻電路和頻率合成電路組成,產生頻率穩定激勵信號以確保測任務正常進行;傳感變換電路部分,由放大電路、濾電路、電路、鑒相電路和數據採集電路組成,主要將電渦流傳感測線圈測到信號變換成只含有被測信息離散信號,易於續電路處理;由dsp晶元構成微處理系統,主要完成測系統數據擬合、顯示及與主機通信等功能。
  2. The company is located at zhejiang ningbo technology park and it engages mainly in the smelting equipment of magnesium and aluminum allo y, quantitative conveying ana pouring equipment, gas protection device and the magnesium alloy pressure casting parts. the more, it can provide services of technology development, achievements transferring, process revamping, material inspection, computer stimulation, etc. the company is based on the strong technical strength of the military technology and the research institutes and has a large number of senior research personnel. the company owns many patents and know - hows, among which the magnesium alloy smelting, gas protection, quantitative pouringas well as the later on processing technology has reached the world advanced levet. the company sticks to aim of quality first, credit supreme and would like to provide best

    公司位於浙江省寧市科技園區凌雲路199號,是以生產鎂合金鑄件為主業,包括壓鑄低壓鑄造等,並具備技術開發成果轉化等功能綜合性科技公司,以兵工業和科研院所雄厚實力為依託,擁有自主知識產權多項專利專有技術和國際一流技術裝備,擁有教授博士碩士等高級專業研究人員數名在鎂合金鑄造產品研製及續加工方面,我公司擁有技術領先優勢,目前我公司為電動工具汽車摩托車零部件it行業以及軍工方面提供配套產品配套設備技術咨詢與技術服務技術轉讓及聯合開發,還可以進行工藝改造材料驗計算機模擬等多項服務
  3. The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement

    偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流,兩者產生偏置磁場在控制線圈產生感應信號,測電路測控制線圈端電壓並提取含有轉子位移信息電壓信號,該信號經半整流電路和低通濾電路得到與轉子位移成正比例直流信號,再由pid控制轉換為轉子位移控制信號,最後控制信號輸入功放電路產生控制電流,實現閉環控制。
  4. The signal testing unit examines directly the production parameter - the belt " s velocity and sends out electrical signal similar to sine wave. the signal handling and analyzing unit disposes of the sensor " s output signal by amplifying, plasticisering a / d transforming and measuring and displays it digitally. after the alarming and controlling unit compares the testing signal with the standard one and analyses, it will show the normal production situation or alarm at the abnormal state and control the related equipments if it is necessary

    信號測單元直接測皮帶速度,並輸出近似正弦電信號:信號處理與分析單元對傳感輸出信號進行放大、整形、 a d轉換和計算等處理,並進行數字顯示;預警、報警、控制單元將信號與標準信號進行比較,經分析顯示正常狀態或對異常狀態進行聲、光預警、報警。
  5. The linear scale before and after log is an effective way to inspect the reality and accuracy of the log curves, such as downhole signal ' s amplitude limit or not and serious distortion, the variable density logging tool ' s signal linear amplification and working stability

    測前、測線性刻度對分析、判定變密度測井曲線真實性與準確性體現在對井下限幅與畸變程度、測儀線性放大狀態和穩定程度。
  6. We designed and made the attraction device to attract agricultural pests, obtained agricultural pests " images with the color camera, processed images based on wavelet analysis. on the basis of these, we emphasized on extracting effective features, put forward recognizing pests " classes with pests " colors and texture features, and succeeded in extracting five efficient features such as color features, wave image edge moments features and so on. then we selected features, inputted into neural network classifier, recognized pattern, presented detection results

    本文設計製作了誘捕裝置,誘集農田害蟲,使用攝像頭攝取害蟲圖像,採用小分析進行圖像處理,在此基礎上重點進行了特徵提取工作,提出了利用害蟲顏色和紋理等特徵進行種類識別觀點,並成功提取了彩色特徵、小圖像邊緣矩特徵等五類有效特徵,並經特徵選擇輸入神經網路分類進行模式識別,最後給出測結果。
  7. Chapter 7 introduces and analyzes some timing error detection and feed - forward timing recovery algorithms for gmsk signal. the auto - correlation method is improved by using a post - filter. simulation results show that the improved method has better estimation accuracy

    首先分析比較了常見gmsk符號同步定時誤差演算法和前向定時參數估計演算法,並用方法對定時參數估計自相關法提出了改進,提高了演算法估計精度。
  8. Based on ica post processing matched filter multi - user detection lets the output of traditional matched filter to initialize the ica iterations, not only the known spread information of interesting user is used to overcome the uncertainness of ica, but also the character of statistical independence is used. the simulation results show that it advances the ability of traditional detector when the signal - noise - ratio is large. keywords code division multiple access ; independent component analysis ; channel estimation ; matched filter ; blind multi - user detection

    基於ica處理匹配濾多用戶測是用傳統輸出來初始化ica迭代,它不但充分利用多用戶信號已知信息,克服了ica不確定性問題,同時也充分利用了多用戶信號統計獨立性,模擬實驗結果證明這種多用戶測演算法在高信噪情況下,誤碼性能改善隨著信噪比提高不斷增加。
  9. Analyzing and modeling of the compensation error of measurement delay in active power filters

    有源電力濾測滯補償誤差分析與建模
  10. This filter is a combination of adaptive ud decomposition kalman filter with quad method. it use quad method to detect and correct the gross errors in observations, use ud decomposition technique to improve computation precision and overcome the instability of filter caused by instability of values, when divergence of kalman filter had been detected, an adaptive filter is employed to adjust the prediction error covariance matrix

    該法用擬準定法準確地探測和修正量測方程中存在粗差;用ud分解演算法改進了計算精度,克服了由於數值不穩定帶來濾不穩定性;當判斷濾發散,則啟用sage自適應濾,調整預測誤差方差,以克服濾發散。
  11. It gives assistance to improve efficiency of the multiple frames accumulation. by analyzing the merits and demerits of several kinds of preprocessing, such as highpass filtering, median filtering, tophat transformation in mathematical morphology and wiener filtering, the local singularity filtering based on improved susan principle has been given, and it has a high power to raise the probability of target detection in single frame

    良好預處理將提高多幀積累效率,對比常用幾種預處理演算法,如高通濾、中值濾、數學形態學tophat濾、維納濾等方法優點和不足,提出了一種改進susan濾? ?區域奇異性濾,該濾方法對于提高單幀測概率有很好功效。
  12. This thesis analyzes pwm control method of srm and its converter circuit characteristic, and designed the hardware control system based on tms320f240 dsp controller. the control system includes detector circuit, protection circuit, control and man - machine interface circuit, which makes full use of dsp recourse for high reliability and simplified the construction of system

    介紹了srm功率變換主電路兩相斬方式,並以titms320f240dsp控制為核心設計了實驗系統,針對srm特點,充分利用了dsp硬體資源,設計了相應外圍硬體測、保護、控制及人機介面電路,使控制系統結構緊湊、可靠性高。
  13. This system the microprocessor technology and the ultrasonicwave range finder technology, the sensor technology and so on unifies, may examine the automobile in the back - draft process, after thevehicle the obstacle and the automobile distance, through the liquidcrystal display monitor demonstration obstacle distance, the position, and is away from the police according to the obstacle and thetailstock which far and near real - time sends out the different rank toshow the sound

    該系統將微處理技術與超聲測距技術、傳感技術等相結合,可測到汽車在倒車過程中,車障礙物與汽車距離,通過液晶顯示屏顯示障礙物距離、方位,並根據障礙物與車尾距離遠近實時發出不同等級警示聲音。
  14. In chapter four, the project techniques of harmonic filter and reactive power compensation for guixi smelter were firstly discussed ; based on the harmonic condition of guixi smelter, the key techniques of a new hybrid active power filter with high capacity for harmonic filter and reactive power compensation were proposed ; then the designs of main configuration, output filter, harmonic detection and analysis subsystem, and the controller based on dsp have been discussed. application results of the hybrid active power filter have confirmed the feasibility of the integrated compensation system

    第四章討論了貴冶電網諧治理和無功補償工程實現技術,介紹了貴冶電網諧現狀,分析了貴冶電網諧超過國標情況,提出了一種新型大功率混合型有源電力濾應用方案,討論了系統主電路設計,輸出濾設計,諧測和分析子系統設計,基於dsp數字晶元控制設計等關鍵技術,並給出了混合型有源電力濾投運,改善電網諧情況,表明了論文中所給出設計方案和工程實現技術獲得良好工程應用效果。
  15. Of the beginning of the test, the parameter databases for test - required scillograph must be created, and this is what oscillograph examination need. at the end of the test, the databases, such as query database, certification database, etc. are required to create for users

    測試前對各被測示各項定參數要建立一個參數庫,這是示定所必須;測試為方便用戶查詢和了解所有定過及其測試結果要建立一個查詢庫、證書庫等等。
  16. Methods in space / frequency domain : a group of gabor filters are used in texture - based image retrieval ; by analyzing how the energy changes with the decomposing of wavelet, tree - structured wavelet transform in texture - based image retrieval is selected to use. as for similarity measurement of texture - based image retrieval, this paper demonstrates two data models related to the similarity measurement and proposes two kinds of multi - feature combination structures

    在空間頻域聯合方法中,將構造一組gabor濾用於圖象紋理索;通過分析紋理圖象經過小分解能量變化特點,提出了選用樹型小分解方法用於紋理索,提高了有效性。
  17. The welding path recognition system was developed with delphi 7. 0 in the environment of windows2000, which functions include filtering, sharpening, binarization and edge detecting. the straight line and curve can be identified through hough transform and line approximation method and the results are saved for nc auto programming

    能夠對從ccd傳感攝取焊接軌跡圖像進行濾、銳化、二值處理、邊緣測等圖像處理工作,並通過分別通過hough變換、直線段逼近演算法完成對直線和曲線識別,最後保存結果為續nc自動編程提供數據。
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