echoed signal 中文意思是什麼
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The geometry and echoed signal models of airborne bistatic sar in general flight configuration are introduced. two - dimensional matched filtering principle is examined and theoretical relationship between resolution and bistatic sar system parameters is suggested
本文首先分析了機載雙基地sar在任意飛行模式下的幾何模型與回波信號模型，闡述了二維匹配濾波成像機理，給出了解析度與雙基地sar系統參數間的理論關系。 -
A chirp scaling algorithm for airborne bistatic sar is proposed, which is suitable for the flight configuration that transmitter and receiver follow parallel path with equal velocity in broadside looking mode. airborne bistatic sar echoed signal model of this particular flightpaths is derived. the model is converted into the range doppler space and is mapped from double range variables to single range variable domain
本文建立了這種特殊飛行模式下雙基地sar的回波信號模型，推導了它在距離多普勒域的表達式，解決了信號模型從雙距離變量域向單距離變量域轉化的問題，並推導了cs因子的線性近似表達式，分析了演算法中各種近似造成的誤差。 -
This dissertation presented a simulation method for producing ideal echoed data based on the analysis of the point ideal echoed signal model, the 2 - d format of the echoed data and the feasibility of creating simulation geography map using bmp images for distributed targets. simulation results proved that this method is efficient and reliable for the study of imaging algorithms and validation of the system parameter settings
論文討論了系統點目標回波信號的理論模型，分析了回波信號的二維數據格式，描述了利用位圖圖像生成分散式目標模擬地形圖的方法，在此基礎上給出了一種理想情況下回波模擬數據的產生方法，用它來進行成像演算法研究及檢驗系統參數設置的合理性非常有效可靠。 -
Sthe azimuth resolution characteristics for different deployments of the antennae ’ irradiation mode is discussed clearly through analyzing the doppler history of the echoed signal based on the platforms " motion features and antennae " irradiation rules
根據收、發載機平臺的運動特點和天線波束在觀測場景平面內的照射規律，本文採用多普勒頻率分析的方法詳細討論了發射、接收天線採用不同照射配置方式時系統的方位向分辨特性。
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