passive positioning 中文意思是什麼
passive positioning
解釋
被動定位- passive : adj （opp active）1 被動的；守勢的。2 不抵抗的；默從的；消極的。3 【語法】被動語態的；被動式的 （...
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The main work of the first part includes : introducing some methods of underwater sound positioning and analyzing their performance, analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array, comparing the measuring error of two kinds of array, and giving the theory of the generic arrays and discussing the phase wrapping and the distance wrapping in passive ranging
對被動測距技術的研究工作主要包括：簡單介紹了水聲定位的幾種方法，並對其性能進行了分析對比，分析了三元對稱陣和非對稱陣測向測距的原理，對兩種陣型的測向測距誤差進行了對比分析，還給出了一般陣型測向測距原理，最後還對被動測向測距中存在的相位模糊和距離模糊問題進行了探討。 -
The theory and method of the region passive pseudolites positioning based on geostationary satellite positioning system are systematically discussed
本文系統地討論了基於雙星的偽衛星無源區域定位系統的定位理論以及方法。 -
The dynamic model in the spherical coordinate is presented for bearing - only target positioning. however, such model has unknown covariance of process noise, which is related to the range between the target and the passive sensor
簡要概述被動定向跟蹤，推導了球坐標系下的勻速運動目標的定向跟蹤模型；狀態建模的不完備性引起了模型噪聲方差陣帶有未知徑距參數，因而需要解決參數在線辨識問題。 -
Passive positioning algorithm based on beidou double - star positioning system
基於北斗雙星的被動定位演算法研究 -
Therefore, it is very significant to find the way of realizing passive positioning. a method of the region passive pseudolites positioning based on geostationary satellite positioning system is presented. firstly, the positioning theory and method are discussed and the positioning accuracy is analyzed
本文首先討論了系統的定位原理以及定位方法，通過模擬分析比較了雙星系統增強前後定位精度的改進，詳細分析了影響偽衛星基站布站的幾個因素，確定了基站的布站方案。 -
Last, the paper discusses a passive positioning technology and its usage in uavs detection and location of enemy radars. then analyses pinpointing errors through simulations
最後探討了無源定位技術，並將該技術應用在無人機群對敵方輻射源雷達的定位中，建立了定位模型並模擬分析了定位誤差。 -
According to the presented sensor array form, the corresponding mathematical mode1 is established, and factors which influence tde accuracy have been analyzed in detail. the influence of tde accuracy to the estimation of tafget distance and bearings estimation is discussed also. meanwhile, the limitation of passive tracking methods and the difference between passive positioning and passive tracldng which based on three - element array are discussed
論文的主要研究工作有以下幾個方面： 1 ）針對三元直線陣的陣列形式，建立了相應的數學模型，對影響時延估計精度的因素進行了詳盡的分析和研究，討論了時延估計精度對目標距離和方位估計精度的影響，並討論了三基元被動定位的局限性以及被動定位和被動跟蹤的差別。
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