探測濾波 的英文怎麼說

中文拼音 [tàn]
探測濾波 英文
detection filtering
  • : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 動詞(除去液體雜質) filter; strain
  • : 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...
  • 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
  1. The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well

    器靶面上輻照度信噪比的概念、器的可輻照度最小值出發,在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜技術以及系統各環節對器靶面上目標與背景輻照度信噪比的影響的基礎上,推導了炸點量系統對爆炸的飛行彈體的作用距離方程,分析了影響作用距離的諸因素。
  2. Signal channel is composed of photodetection preamplifier and filter circuit, reference channel and correlation demodulator are realized by labview

    信號通道由硬體實現,包括光電前置放大電路及電路;參考通道及相關解調器部分則利用labview軟體編程實現。
  3. The algorithm can not only eliminate the influence of the cumulative errors of the photoelectric code recorder, but also it can satisfy the requirement of the real - time control. a direct inverse model controller of fuzzy neural network with changeable structure based on takagi - sugeno inference is presented and it is used to the motion control of mobile robot. in order to avoid the obstacles successfully, detection results from ccd and ultrasonic sensors are fused by a fuzzy neural network, which acts as an avoidance controller

    包括移動機器人的融合自定位問題:移動機器人利用光電編碼器進行自定位,同時用擴展卡爾曼器融合多個超聲傳感器的量值,採用回朔演算法將融合值用於復位光電編碼器,消除了光電編碼器累積誤差的影響,並能滿足實時控制的要求:並提出一種基於takagi - sugeno模型的變結構模糊神經網路直接逆模型控制器,並應用於移動機器人的運動控制;利用模糊神經網路避障控制器融合ccd攝象機與超聲傳感器到的環境信息,以實現機器人的安全避障。
  4. Due to temperature performance of fbg, a reference fbg is adopted to compensate temperature and the compensation principle is expounded. moreover, this scheme not only realizes temperature compensation but also reduces repeatability error of ffptf and errors from power fluctuation of light source, noise of pd and noise of electro - circuit. in the end, temperature and strain performance of fbg is tested and

    基於光纖光柵的溫度響應特性,提出用一個參考光柵來進行光纖光柵傳感陣列溫度補償的設計方案,並論述了其補償原理,證明了該方法的可行性;同時可以看出,該方法不僅可以實現溫度補償,也可以減小光纖f - p可調諧器的重復性誤差以及光源功率動、器噪聲和電路噪聲等引起的誤差。
  5. The result shows that the solar radiation pressure moments play a mainly part. based on kalman filtering, three kinds of attitude determination algorithms were studied using the attitude sensor now available on the explorer : the first based on digital solar sensor ( dss ) and gyroscope when the star sensor is not available ; another based on dss, high - gain antenna ( hga ) and gyroscope when the explorer is in the earth - safe mode ; the third based on star sensor combined with gyroscope when the explorer is in the normal mode

    針對配置了典型量敏感器的深空器,基於擴展kalman給出了其姿態確定的方法:針對星敏感器不可用情形,給出了使用太陽敏感器和速率陀螺定姿的器演算法;針對安全模式下的對地穩定定向情形,給出了太陽敏感器和高增益天線融合速率陀螺信息的定姿演算法;針對正常巡航模式給出星敏感器和速率陀螺聯合定姿演算法。
  6. In this paper, the self - adaptive filter, the wavelet transform and the fourier transform are used to detect the stationary and the non - stationary signal of underwater sound in anisotropic noise field

    本文以各向異性噪聲場為例,分別對聲矢量信號中的聲壓、振速討應用自適應、小變換、短時傅里葉變換檢水聲平穩和非平穩信號的應用效果。
  7. Therefore, according to the mobility of the aircraft, the present study builts a multi - static location system, which uses the measurements detected by active or passive airborne sensors, when the aircraft is at the different positions. this study proposes two methods for locating sonobuoys. the first one is using aircraft - to - buoy slant range information

    根據飛機的機動性,本文構造了使飛機到達不同點獲取相同的量信息而實現定位的多基地定位系統;依據機載有源無源器所能獲得的量量,提出了兩種定位方法:斜距離量定位法和基於卡爾曼的方位量定位法。
  8. In order to better detect the image edge information, firstly, non ? linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filter, and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately

    在激光系統中,微弱的回圖像淹沒在強背景噪聲中,為更好地檢這類含噪圖像的邊緣信息,首先應用特徵方向非線性中值技術,去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小作為原始小器,採用提升方案構造最優雙正交小器,應用構造的雙正交小進行多尺度小邊緣檢;同時,通過定義浮動閾值,並應用於圖像邊緣檢,較準確地定位了邊緣位置。
  9. In order to better detect the image edge information, firstly, non - linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filters and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately

    在激光系統中,微弱的回圖像淹沒在強背景噪聲中,為更好地檢這類含噪圖像的邊緣信息,首先應用特徵方向非線性中值技術,去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小作為原始小器,採用提升方案構造最優雙正交小器,應用構造的雙正交小進行多尺度小邊緣檢;同時,通過定義浮動閾值,並應用於圖像邊緣檢,較準確地定位了邊緣位置。
  10. On the basis of this, the control strategies for obtaining its reference voltage, one of pivotal technolog, are discussed. corresponding control circuits are designed, including the control strategies of detecting the source current and load voltage

    在此基礎上討了串聯型有源電力器的關鍵技術之一? ?獲得參考電壓的控制策略,包括檢電源電流和檢負載電壓兩種控制策略,並設計了相應的控制電路。
  11. The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method

    本文討了如何利用慣性量組合本身的信息來提高捷聯航姿系統的姿態精度.根據平臺式阻尼網路的思想,設計了捷聯式內阻尼卡爾曼器,將慣導系統捷聯解算獲得的姿態與加速度計估計的姿態進行組合,在系統非加速度狀態下,提高了姿態輸出的精度.為了實時監系統的運動狀態從而判斷內阻尼姿態的有效性,本文成功將狀態2檢驗法應用在內阻尼卡爾曼器中,設計了基於2個狀態傳播器的故障監器,並通過對故障檢向量元素的檢驗代替對整個向量的檢驗,提高了故障監的靈敏度和可靠性.最後,實際系統的動靜態實驗驗證了本文所提出的方法的有效性
  12. Although there are many literatures describing ultrasonic detector for traffic flows, none of the same category has referred the techniques applied in the design herein such as multi - sensor construction, automatically establishing datum line regardless of suspension height, digital filtering and multi - lane detection as well as measuring length of motorcade

    目前有關超聲車流檢器的文獻較多,但本設計中採用的多頭結構、自動標定超聲頭的架設高度、數據以及多車道量和檢車隊長度等技術在同類設計中未見使用。
  13. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼對離散的雷達量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量模型的變分方程和觀矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  14. During the research work, two detecting system 36 ghz and 1. 5ghz are selected respectively to obtain life - parameter signals, which are amplified and filtered in the signal preprocessor

    在研究期間,分別選用36ghz 、 1 sghz的雷達系統獲取生命參數信號,經信號預處理器進行放大、,經a d轉換送至計算機。
  15. In addition, background noise have to be token into account. all these requires that the whole system to have higher anti - interferce properties. by adopting the technology of uv sensor, watchdog and software filters, noise is notably shielded, accordingly the system gains high performance in reliability and stabilization. this is also ensued by its self - examination function which can efficiently avoid error or miss alarm

    本系統採用紫外線火焰傳感器作為器,結合硬體看門狗及軟體等方法,有效地屏蔽了噪聲的影響;系統穩定可靠,具有自診斷功能,可有效防止誤報和漏報,實現準確報警,並具有豐富的各種顯示和報警功能。
  16. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    討可靠性設計與可靠性保障技術時,提出了石油井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油井儀器的可靠性系統模型,討了石油井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對量誤差類型進行了統計檢驗;介紹了數字的基本理論、數字方法的概況,並進行了分析;對伽瑪信號數字效果的影響因素及其對井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢與處理兩個方面,建立了數字效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字方法及效果評價方法;討了自然伽瑪信號數字器的設計方法,提出了適合自然伽瑪井的混合方案,討了混合方案的實現途徑;通過對部分數字方法的定量研究,給出了靈活可選的數字系統構成及實現流程;提出的三種方案,將用於era2000成像井系統,對自然伽瑪井數據進行處理。
  17. In order to improve the prospecting precision to the earth of transient electromagnetic method ( tem ), the idea of tem imaging is proposed according to the characteristics of both electromagnetic wave propagation and response : the wave - impedance is calculated from observed data in - field by the way of inverse - faltung and linear digital filter ; the sequence of reflection coefficients corresponding to every tiny - lever move time is calculated by the way of linear programming, and the imaging result section is drawn consequently

    摘要?提高瞬變電磁法的對地精度,從瞬變電磁場的傳播特性和電磁響應特性兩個角度?慮,提出了瞬變電磁成像方法:由野外實磁場感應數據,經過反褶積和線性數字求出阻抗;用線性規劃法求出每一微層走時所對應的反射系數序列,並以此?參數繪製成像結果圖。
  18. For the problems arising from the absence of exact dynamics models, the gauss - markov process is used to approximate the un - model acceleration term in the circling orbit dynamics

    利用高斯-馬爾科夫過程近似繞月器的無模型加速度,並利用基於unscented卡爾曼估計了器的位置、速度及無模型加速度。
  19. The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed

    主要研究工作有:研究了速率偏頻激光捷聯慣導的陀螺量信號的解調演算法;設計了在速率偏頻激光捷聯慣導、 gps 、多普勒雷達、大氣數據系統、磁航向儀及垂直陀螺配備條件下聯邦組合導航系統,對聯邦器和集中器的性能做了模擬對比分析;研究了適用於聯邦器的系統級故障理論和方法;討了利用速率偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合量信息,通過神經網路實現硬故障交互檢的方法。
  20. In this dissertation, the radiometric calibration of camera was performed, and researched the influence of non - uniformity of sensors response to calibration, calibration precision was improved by reducing the influence of random noise to calibration by processing the data of calibration by using wiener filtration. the radiometric calibration coefficients are determined by measuring the output data of camera and the temperature of blackbody

    本文對紅外相機進行輻射定標,研究了器響應的非均勻性對定標的影響,並通過採用wiener技術對所採集的數據進行處理,減小隨機噪聲對定標的影響,提高了定標的精度,最後通過量黑體溫度和相機輸出數據完成紅外相機輻射定標。
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