bistatic radar 中文意思是什麼
bistatic radar
解釋
收發分置雷達-
It is of necessity to research non - cooperative bistatic radar to enhance the performance of radar fence
為了提高整個雷達網的性能，有必要重點研究非合作式雙基雷達。 -
This paper ' s study is focused on the principle of bistatic sar on the basis of giving a brief introduction of sar principle, including azimuth resolution, mapping width, focusing deepness, pulse repetition frequency limitation and radar equation etc. then the paper studies the special form of bistatic sar with stationary transmitter
在簡要介紹了合成孔徑雷達的成像原理后，本文著重從原理方面對雙站sar進行了分析，討論雙站sar的方位向解析度，測繪帶寬，聚焦深度，脈沖重復頻率限制，雷達方程等問題，然後對發射機固定的雙站sar這種特殊的雙站sar模式進行分析。 -
Also it can effectively solve the main " four - threat " of single radar system. however, there ' s some problems must to be resolved, such as time synchronization, space and phase synchronization, signal processing, and clutter constricting, etc. this thesis concentrates on the time synchronization and phase synchronization of bistatic radar system
雙基地雷達體制和系統結構上的特殊性決定了它在技術上具有不同於傳統雷達的一些特點，所以雙基地雷達系統的研製首先需要解決時間同步、頻率和相位同步、空間同步、信號處理、雜波抑制等關鍵技術。 -
The typical use of bistatic sar with stationary transmitter, which is made up of the original coast guardian radar and the receiver on the aircraft, is imaging sea vessels. therefore, it is necessary to solve the problem of moving target imaging
發射機固定的雙站sar的典型應用是用原有的海岸警戒雷達和飛行平臺上的接收機組成成像雷達，主要用途是對海面船隻成像，因此必須解決在此種情況下對運動目標成像的問題。 -
A typical bistatic weather radar net work is comprised of one traditional transmitter - receiver radar and one or more passive non - transmitting radar receiver at remote site. this type of multiple radar network offers unique advantages when compared to traditional radar net work. this paper introduces the concepts and principles of bistatic weather radar network and analyses, simulates, calculates the basic concepts of effective scattering particle volume relative to the receiver of bistatic radar network, the doppler shifts of the received signals, gives the formula to conduct the three dimensions wind field
本文從原理上分析了雙基地天氣多普勒雷達的構建、基本幾何關系、有效散射體積及其與雙基地角的關系，有效散射體積和目標與雙基地天氣多普勒雷達主站發射機的距離的變化關系，指出雙基地天氣多普勒雷達有效體積和單基地雷達有效照射體積隨之距離的變化有相似之處，但是由於收發分置的幾何結構，雙基地天氣多普勒雷達的性質與雙基地大氣多普勒雷達的散射角有著密切的關系。 -
The rotated parabolic equation method was presented to compute the bistatic radar cross section ( rcs )
並提出了旋轉拋物線方程演算法，實現了目標任意角度雷達散射截面的快速計算。 -
Bistatic sar is becoming one of the hotspots in radar imaging technology in recent years
近年來雙基地sar成為雷達成像技術研究的熱點之一。 -
3. simple ukf could be gained on the base of linear observation function in bistatic radar, and be applied in the non - cooperative bistatic radar system
3 、基於雙基雷達存在線性觀測方程特殊情況，得到了一種簡化ukf演算法（ sukf ） ，並應用到非合作式雙基雷達系統中。 -
Estimation of the moving parameters for objects in the bistatic forward scattering barrier radar
雙基地前向散射柵欄雷達的目標運動參數估計 -
2. nonlinear problem is inevitable in bistatic radar positioning and tracking
2 、雙基雷達定位跟蹤不可避免的會遇到非線性問題。 -
This thesis mainly focuses on nonlinear filter and data fusion problems, the main results are as follows : 1. this thesis presents fundamental theory, position model and error analyses of non - cooperative bistatic radar positioning system
本文從非線性濾波演算法和數據融合兩個方面進行研究，主要工作成果如下: 1 、介紹了非合作式雙基雷達定位的基本原理，定位模型以及誤差分析方法。 -
Spotlight synthetic aperture radar can efficiently obtain an image with very high azimuth resolution, since its antenna illuminate the fixed target on the ground. bistatic radar is not a new concept and its fundamental principles have been known and demonstrated many years before the development of operational monostatic radar
由於其天線波束始終照射同一目標場景，因此可獲得更大的方位多普勒帶寬和更高的方位分辨力，但實際上由於受數據處理條件、載體運動誤差等因素的影響，方位解析度的提高是有限的。 -
The localization principle of bistatic sonar is given and the gdop ( geometry dilution of precision ) which used in bistatic radar for describing the localization error has been cited in bistatic sonar
在對雙基地聲吶定位原理和定位誤差分析的基礎上，提出了用定位精度的幾何解釋（ gdop ）來表徵雙基地聲吶定位誤差的方法。 -
This thesis presents the latest development of nonlinear filtering theory and the appliance of divided difference filter ( ddf ), unscented kalmen filter ( ukf ) and particle filter ( pf ) in non - cooperative bistatic radar positioning and tracking system
本文介紹了非線性濾波理論的最新進展，把ddf （ divideddifferencefilter ）濾波器、 ukf （ unscentedkalmanfilter ）濾波器和pf （ particlefilter ）濾波器應用到了非合作式雙基雷達的定位跟蹤中。 -
Non - cooperative bistatic radar plays an important role in netlike radar system for its excellent performance
非合作式雙基雷達由於其優良的「四抗」特性，在組網雷達中佔有重要地位。 -
It is expected that this scheme can realize the time synchronization, frequency synchronization and phase synchronization of the bistatic radar system effectively
分析論證表明，論文提出的雙基地雷達同步系統方案是正確的和實現可行的。 -
First, the weigh least square localization algorithm is given by improved the algorithm in bistatic radar. through numerical simulation, the localization performance evaluation results are presented for various conditions
數值模擬表明，該演算法的定位精度明顯高於tol演算法，能有效改善發射和接收站側邊區的定位精度，且定位性能受站址測量誤差的影響較小。 -
( 2 ). the disquisition review the system of bistatic radar and signal models and expatiate the classic algorithm of bi - sar in detail. meanwhile introduce the algorithm of monostatic spotlight sar, then deeply discuss the theory of bastatic spotlight - model sar
（ 2 ）討論了單站聚束sar成像原理和雙站條帶式sar的成像基本原理及其經典成像演算法，在此基礎上研究了雙站聚束式sar的成像原理。 -
Firstly, a novel four - element retrodirective array is designed, based on dual - polarization microstrip array antenna technology and phase - conjugating mixers technology. secondly, a simple, effective testing system is designed and set up, by which the array ’ s monostatic and bistatic radar cross section ( rcs ) are tested
本文所採用的技術和方法，新穎、簡單、易實現，適合具體的工程應用;本文的結果對于天線研發人員研究方向回溯天線有一定的參考意義。 -
This field is very important because the synchronization degree will influence the operation of the radar system heavily. in this paper, the fundamental theory of bistatic radar system and the problems it faced is introduced. at the same time, the transmission technologies of time and frequency signal are discussed and the advantages and disadvantages of each technology is analyzed too
本文針對雙基地雷達系統的時間、頻率與相位同步進行了細致的分析、設計和論證，在充分比較各種授時技術優缺點的基礎之上，結合雙基地雷達系統的特點，提出了一種基於gps的時間、頻率與相位同步方案。
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