velocity filtering 中文意思是什麼
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The experimental results indicate that electroosmosis technology can further the filtering velocity markedly, increase the compressive strength of concrete significantly and have finer economical efficiency
結果實驗表明電滲技術可以顯著提高濾水混凝土的濾水速度，明顯提高混凝土的強度，並有很好的經濟性。 -
The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided
論文的主要工作包括四部分：第一部分研究了脈沖多普勒雷達導引頭的信號建模問題，建立了雷達信號模型，主要包括：發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式，建立了信號和數據處理模型，主要包括：加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等，然後給出了信號處理流程。 -
Then, we use a simulation method to create a large number of radar measurement values, produce a quantity of random numbers using computer software and add them to the radar measurement values, we use kallman filtering method to calculate the location, velocity and trajectory coefficient of the target at the moment of the final tracking point, and use the numerical solving method of differential equation to calculate the trajectory, the location of the hostile artillery or the impact point of its own projectiles, finally, we calculate statistically the random error of the tracking system and analyze the location accuracy
然後採用模擬模擬方法獲得大量的雷達測量值，由計算機軟體產生大量的隨機數，加入雷達測量值中，用卡爾曼濾波法計算出最後跟蹤點時刻的目標位置、速度和彈道系數，再用微分方程數值解法計算出整個彈道軌跡、計算出敵方炮位的位置或己方炮彈的落點，最後統計出跟蹤系統的隨機誤差，分析定位精度。 -
Chapter 3 concentrates on the important technology of pd radar ' s data processing. this chapter includes the resolution of range and velocity ambiguity and the theory of the start of tracking, the refreshment of tracking, the disappearing of tracking and the single target tracking. in the part of the refreshment of the tracking, the, the theory and realizing of the filtering algorithm and the point ? tracking relating are illustrated
第三章重點敘述了脈沖多普勒雷達數據處理的關鍵技術，包括數據錄取時距離和速度的解模糊； pd雷達工作在搜索狀態下目標航跡的起始，航跡的更新，航跡的消失，以及目標的編批和最優先級目標的判斷，其中航跡更新中主要講述了跟蹤濾波和點跡?航跡關聯的原理及實現； pd雷達工作在跟蹤狀態下的單目標跟蹤原理。 -
Firstly, this paper introduces the main concepts of digital filtering, nmo, statics, velocity analysis and stack and so on
本文首先介紹數字濾波的基本概念、動靜校正、速度分析及水平疊加等等。 -
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。 -
The content includes real - time velocity variation, motor position control, velocity filtering and smoothing, etc. the real - time velocity modulation is mainly about how to choose certain acceleration curve according to exterior instruction
本論文詳細分析了基於線性加減速演算法的nc指令生成及解釋，包括實時調速、電機定位、速度濾波、平滑等。實時調速主要是根據外部指令選擇一定的加速曲線完成動作。 -
This thesis introduces the key technique of the us military distributed information system, with focuses on algorithms about related navigation of military tactics. kalman filtering combined with least square method is proposed for the current military development stage. the method of observation result including velocity component minimizes the convergence time, improves the positioning precision and acquired satisfied experiment results, which makes the pla independence of the us high - tech equipments
本文簡要介紹了現階段美軍在戰術信息分佈系統實現中所採用的關鍵技術，重點對戰術飛機相對導航的各種實現演算法進行了深入探討，針對我軍當前在該系統領域中的技術現狀，提出了以最小二乘法輔助卡爾曼濾波，濾波過程中觀測量加入速度分量的方法，縮短了導航濾波起始階段的收斂時間，提高了定位精度，在工程上取得了較理想的實驗數據，在一定程度上擺脫了我軍在相對導航領域對美軍先進技術裝備的依賴。 -
The effectiveness of filtering depends on the correctness of stacking velocity
進行壓制時的濾波技術是否有效，關鍵在於疊加速度是否準確。
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