檢波器后的 的英文怎麼說
中文拼音 [jiǎnbōqìhòude]
檢波器后的
英文
post-detector- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 波 : 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...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 的 : 4次方是 The fourth power of 2 is direction
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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
硬體電路的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,產生頻率穩定的激勵信號以確保檢測任務的正常進行;傳感器變換電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成,主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號,易於后續電路處理;由dsp晶元構成的微處理系統,主要完成檢測系統的數據擬合、顯示及與主機通信等功能。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
公司位於浙江省寧波市科技園區凌雲路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的綜合性科技公司,以兵器工業和科研院所的雄厚實力為依託,擁有自主知識產權的多項專利專有技術和國際一流的技術裝備,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后續加工方面,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檢測檢驗計算機模擬等多項服務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,兩者產生的偏置磁場在控制線圈產生感應信號,檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號,該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號,再由pid控制器轉換為轉子位移的控制信號,最後控制信號輸入功放電路產生控制電流,實現閉環控制。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
信號檢測單元直接檢測皮帶速度,並輸出近似正弦波的電信號:信號處理與分析單元對傳感器輸出信號進行放大、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,經分析后顯示正常狀態或對異常狀態進行聲、光預警、報警。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、測后線性刻度對分析、判定變密度測井曲線的真實性與準確性體現在對井下波列的限幅與畸變程度、檢測儀器的線性放大狀態和穩定程度。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,採用小波分析進行圖像處理,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的觀點,並成功提取了彩色特徵、小波圖像邊緣矩特徵等五類有效特徵,並經特徵選擇后輸入神經網路分類器進行模式識別,最後給出檢測結果。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的gmsk符號同步的定時誤差檢測器演算法和前向定時參數估計演算法,並用后濾波的方法對定時參數估計的自相關法提出了改進,提高了演算法的估計精度。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后處理的匹配濾波多用戶檢測是用傳統的檢測器的輸出來初始化ica的迭代,它不但充分利用多用戶信號的已知信息,克服了ica的不確定性問題,同時也充分利用了多用戶信號的統計獨立性,模擬實驗結果證明這種多用戶檢測演算法在高信噪的情況下,誤碼性能改善隨著信噪比的提高不斷增加。Analyzing and modeling of the compensation error of measurement delay in active power filters
有源電力濾波器檢測滯后補償誤差的分析與建模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
該法用擬準檢定法準確地探測和修正量測方程中存在的粗差;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波的不穩定性;當判斷濾波器發散后,則啟用sage自適應濾波器,調整預測誤差方差,以克服濾波器的發散。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
良好的預處理將提高后續的多幀積累的效率,對比常用的幾種預處理演算法,如高通濾波、中值濾波、數學形態學的tophat濾波、維納濾波等方法的優點和不足,提出了一種改進的susan濾波器? ?區域奇異性濾波,該濾波方法對于提高單幀檢測概率有很好的功效。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
隨后介紹了srm功率變換主電路的兩相斬波方式,並以ti的tms320f240dsp控制器為核心設計了實驗系統,針對srm的特點,充分利用了dsp的硬體資源,設計了相應的外圍硬體檢測、保護、控制及人機介面電路,使控制系統結構緊湊、可靠性高。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
該系統將微處理器技術與超聲波的測距技術、傳感器技術等相結合,可檢測到汽車在倒車過程中,車后障礙物與汽車的距離,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的警示聲音。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波治理和無功補償的工程實現技術,介紹了貴冶電網諧波的現狀,分析了貴冶電網諧波超過國標的情況,提出了一種新型大功率混合型有源電力濾波器的應用方案,討論了系統主電路設計,輸出濾波器的設計,諧波檢測和分析子系統的設計,基於dsp數字晶元的控制器設計等關鍵技術,並給出了混合型有源電力濾波器投運后,改善電網諧波的情況,表明了論文中所給出的設計方案和工程實現技術獲得良好的工程應用效果。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
測試前對各被測示波器的各項檢定參數要建立一個參數庫,這是示波器檢定所必須的;測試后為方便用戶查詢和了解所有檢定過的示波器及其測試結果要建立一個查詢庫、證書庫等等。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
在空間頻域聯合的方法中,將構造的一組gabor濾波器用於圖象紋理檢索;通過分析紋理圖象經過小波分解后的能量變化特點,提出了選用樹型小波分解方法用於紋理檢索,提高了檢索的有效性。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傳感器攝取的焊接軌跡圖像進行濾波、銳化、二值處理、邊緣檢測等圖像處理工作,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的識別,最後保存結果為后續nc自動編程提供數據。分享友人