filter velocity 中文意思是什麼

filter velocity 解釋
濾速
  • filter : n 1 濾器,濾紙,過濾用料[砂、炭等]。2 【無線電】濾波器;【物理學】濾光鏡,濾色器。vt 過濾,用過濾...
  • velocity : n. 1. 迅速;快速。2. 速度,速率。3. 周轉率。
  1. A digital circuit to filter interferential signals in light screen to measure velocity of flying bullet

    一種測速光幕靶的數字濾波電路設計
  2. According to the frndamental and the steps of this method, we cans use the linear regress filter method to make the simulation of the wind load and then we can educe the curve of the time - process wind velocity. after that step, we can get the chart of the dynamic wind load which we can deliver the crosswind into the particle wind load and put them on the corresponding cell nodes. then we can do the analysis of the dynamical wind load through the time - process analysis to get the max value of the displacement

    根據線性回歸濾波器法的基本原理和步驟,藉助相關軟體進行風荷載的人工模擬並得出風速時程曲線,進而轉化為風動力譜,由此將橫風向風力表達成節點風荷載作用於相應的單元節點上,按時程分析法對該空間桁架體系進行風荷載的動力分析,求出結構在進行風動力荷載分析時,結構相應節點對應的最值位移值。
  3. The unscented kalman filter is used to estimate the probe position, velocity and un - model acceleration, which improves the orbit estimation accuracy and ensures the stability of navigation algorithm

    數學模擬結果表明,提出的導航方法是可行的,能夠滿足月球探測器奔月與繞月軌道段導航精度的要求。
  4. In this dissertation, the data process ( dp ) subsystem and radar control program ( rcp ) subsystem of gbr simulation system have been studied and discussed. the main work and innovation of this dissertation is as follows : ( 1 ) track filter, the basic element of track system, has been researched. we analyze the advantage and disadvantage of common target kinematic model such as constant velocity model, constant acceleration model, noval statistic model

    本文是基於某gbr模擬系統的合作項目中,本人負責的數據處理子系統和雷達控製程序子系統的研究和開發的結果,主要進行的工作和創新有: ( 1 )基於跟蹤系統最基本的要素-跟蹤濾波,分析了當前常用的微分多項式模型, cv與ca (常速與常加速)模型,時間相關模型, noval統計模型,以及機動目標「當前」統計模型等目標運動模型的優缺點和雷達的觀測誤差。
  5. And introduce the effect of fix - gain filter on angle noise filter, forming velocity loop by replacing sensor for perfecting system emendation and suppling angle interpolation

    論述了在濾除角度噪聲,替代角速度傳感器構成速度環路完善系統校正,提供角度插值條件等方面的作用。
  6. Based on the experiment of dust removal in a granular layer at normal temperature and the analysis of the experimental results, the influence of filter particle diameter, layer thickness and filtration velocity on the dust removal efficiency was researched

    摘要在常溫下,採用固體顆粒層進行過濾除塵的實驗研究,並對實驗結果進行分析,探索了過濾介質粒徑、過濾層厚度和過濾速度對除塵效率和床層壓力差的影響。
  7. Utilizing control lyapunov function, the position control and trajectory control law are designed for the robot. using matlab and simulink, simulation results are provided to show the efficacy of the kalman filter and controllers. also, multi - sensor data fusion, balancing control, robustness control and velocity tracking experiments are conducted to ensure the validity and efficacy

    利用matlab及simulink對上述濾波器、控制器進行模擬,並通過兩輪自平衡機器人系統實驗平臺進行數據融合、平衡控制、魯棒性、速度跟蹤實驗,獲得了期望的平衡與速度跟蹤性能,驗證了數據融合演算法和相應控制器的正確性與有效性。
  8. La dead reckoning algorithm has been developed based on the doppler velocity log ( dvl ) and fiber optic gyrocompass. 2. since the basic kalman filter will become lapsed, strong tracking filter theory has been inducted, and a new strong adaptive kalman filter algorithm has been developed. further more an adjust gene has been imported, and gets a new arithmetic

    針對傳統的卡爾曼濾波演算法中由於噪聲統計特性未知而容易引起的濾波發散的缺點,引入強跟蹤濾波理論,提出了帶次優漸消因子的擴展卡爾曼濾波演算法,並進一步對該演算法進行改善,加入了調整因子,使濾波演算法得到較好的改善。
  9. The result gave the optimal filter particle diameter, layer thickness and filtration velocity

    根據實驗結果,確定了最佳的過濾介質粒徑、過濾層厚度和過濾速度。
  10. Strain with other difference of method is it filter medium to be space very much little to lie inning a little, the centrifugal force turned round through the screen mesh, under lower water conservancy obstruction, have higher velocity of flow, cut and keep the solid here and suspend

    微濾與其它方法的區別在於過濾介質空隙特別小,藉助篩網回轉的離心力,在較低的水力阻力下,具有較高流速性,截留住懸浮固體。
  11. Consulting relevant reference and related theories in software radio, this thesis is working on technologies of digital channelized receivers, including the theories on a / d sampling, digital down converter, multi - velocity signal processing, polyphase filter and uniform dft filter bank

    本文針對電子偵察系統數字化實現,對數字式通道化接收機的相關技術進行了研究:包括a / d采樣的理論、數字下變頻相關理論、多速率信號處理的理論、多相結構優化抽取濾波、均勻dft濾波器組。
  12. The kalman filter theory is introduced and the dynamic error vector equation of the initial alignment is derived at the first. using velocity error as exterior value of observation, maneuverable characteristic that is influenced with system ' s observability and its degree is studied at length by do amount of simulations and experiences. choosing output error of accelerometers and angle error of attitude as observation respectively and system observation model is derived, which is based on analyzing kalman filter theory

    首先介紹了卡爾曼濾波理論及相關技術,建立了系統卡爾曼濾波的狀態方程和觀測方程;首先採用速度誤差作為觀測值,詳盡的研究了系統機動特性對可觀測性和可觀測度的影響,並做了大量模擬實驗:通過對濾波原理的分析研究了影響的原因;分別選用加速度計輸出誤差和轉臺輸出姿態角誤差作為外部觀測值,推導建立它們的觀測模型,並通過模擬證明了分析結論的正確性。
  13. However, with rapid development of the polypropylene - fiber filter paper in recent years, the filtration efficiency ( na - flame method ) can reach 99. 999991 % at the standard velocity ( icm / s ), and its pressure loss is only one sixth of the glass fiber at the same range of efficiency

    目前高效濾料多採用玻璃纖維濾紙,而近幾年來聚丙烯纖維濾紙發展較快,在標準濾速下( 1cm s ) ,鈉焰法效率可達到99 . 999991 ,而其阻力在相同效率范圍內僅是玻璃纖維的1 6左右。
  14. Applications of their to self - tuning filtering are given, where the steady - state kalman tracking filter with the position and velocity measurements, and multivariable self - tuning tracking predictor, filter and smoother are presented

    給出了它們在自校正濾波中的一些應用。其中包括帶位置和速度觀測的穩態kalman跟蹤濾波器和多變量自校正跟蹤預報器、濾波器和平滑器。
  15. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法,提高了電源利用率,降低了逆變電壓的諧波,改善了電機的運行特性,降低了對電網的污染;在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型,在模擬的基礎上,對傳統pid調節器進行了改進,提出轉速調節器和電流調節器採用分段pid結構,根據給定轉速所處的區間,自動選擇相應pid調節器的參數,拓寬了調速范圍,提高了控制精度。
  16. Chapter two introduces a few extensively used maneuvering models include constant velocity ( cv ) model, constant acceleration ( ca ) model, singer model, “ current ” statistical model and two - stage filter model, and discusses every model ’ s state function and parameters

    第二章詳細介紹了目前運用最廣泛的幾種機動運動模型,包括勻速運動( cv )模型、勻加速運動( ca )模型、 singer模型、 「當前」統計模型和二級濾波模型;討論分析了各種模型的過程方程及各種參數。
  17. Finally, according to dynamics model and optical principle, we have designed three different routes and build up this system ’ s equation of state and observation, and make use of kalman filter to estimate lunar - rover ’ s position, velocity and attitude

    在月球車動力學及光學成像原理的基礎上,對三個模型分別建立了該系統的狀態方程及觀測方程來對月球車的相對位置、姿態進行估計,並給出了模擬結果。
  18. In this paper, we analyze the reason that it is difficult to process the doppler frequency shift signal generated by low velocity moving target and discuss the kalmus filter performances for low velocity moving target detection

    本文分析了低速目標的多普勒頻移信號難以處理的原因,並討論了kalmus濾波器(零速率波器)對低速運動目標的檢測性能。
  19. Firstly, according to the characteristic that the doppler frequency shift signal can be approximated as a single sinusoid signal, the extended sinusoid signal retrieval ( pisarenko and esprit ) methods are presented and signal state and measurement formulations are developed, so the kalman filter recursive method is got. the brief introduction of low velocity moving target doppler frequency shift signal wigner - ville transformation and wavelet transformation expression are presented in this paper. secondly, because the clutter is gaussian distribution, cumement and high - order spectrum based methods are presented and the simulation results prove their good performance to suppress gaussian clutter in low velocity moving target doppler frequency shift signal processing

    一個方面是根據低速目標的多普勒信號可簡化為單一正弦波形式這一特點,得到了擴展的高斯色噪聲背景下的諧波恢復演算法,即高斯色噪聲中的pisarenko諧波恢復法和旋轉因子不變法( esprit ) ;並推導了信號的狀態方程和觀測方程,進而得到基於卡爾曼濾波的遞推演算法對信號進行提取;本文還簡單的介紹了低速運動目標的多普勒頻移信號的wigner - ville變換與小波變換;另一個方面是針對雜波服從高斯分佈這一特點,提出了對接收信號求累積量和高階譜來對高斯雜波進行抑制。
  20. This article makes a model test research to filter function of porcelain sand filter according to the new material - porcelain sand filter - that baogang uses in the new water processing technology of sheet semifinished turbidity of the inlet water, different medicine and variation of outlet water quality in different filter velocity

    本文針對包鋼薄板坯連鑄連軋新水處理工藝中所採用的新型濾料? ?瓷砂均質濾料的過濾特性進行了研究。在不同的進水濁度、不同的加藥量、不同的濾速下出水水質的變化,對瓷砂濾料過濾性能進行了模型試驗研究。
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