low-altitude target 中文意思是什麼
low-altitude target
解釋
低空目標-
Experimental result indicates that the kgw - xx radio altimeter can provide steady height data at ultra - low altitude, so it can be used as an altitude sensor of a tow target system, and the height data shows a bigger ladder error that affects the precision of the tow target system
靜態模擬測高試驗結果表明：該高度表可在超低空狀態下提供穩定的高度數據，可以作為某型拖靶系統的高度傳感器；該高度表提供的高度數據存在著較大的階梯誤差，將影響拖靶系統的恆高精度。 -
In the fourth part, the tracking filter for low - altitude radar target is studied
第四部分考慮了低空目標的雷達跟蹤濾波技術。 -
It consists of the coordinates setup and transform of the phased array radar, some filter parameters " design for low - altitude target, evim technique used in the low - altitude radar target tracking, the strategy for low - altitude radar target tracking, etc
包括相控陣雷達坐標系的建立與轉換；低空目標跟蹤有關濾波參數的考慮； imm技術在低空目標濾波中的應用；相控陣雷達的低空目標跟蹤策略等。 -
In this dissertation, the author has covered such key points as follows : 1. modeling of fire distribution for all kinds of air defense weapons against low altitude targets ( including various anti - aircraft missiles against low altitude targets ) and taking into account the fire distribution against the cruise missile as a special air strike weapon for the first time ; 2. an overall analysis of the factors that have effect on threat degree and advantage degree as well as the fuzzy distribution of individual factors ; establishment of models for threat degree evaluation and advantage degree evaluation in fuzzy method in conjunction with fire distribution model in sort method, resulting in the materialization of a new fire distribution model, i. e., fuzzy sort model ; 3. modification of the definition of distribution line of target and realization of optimized fire distribution against the initial targets and the targets that await fire shift
論文的主要內容包括: 1 ）建立了各種陸軍低空防空武器（包括各種低空防空導彈）的火力分配模型;首次將巡航導彈作為一種特殊的空襲兵器，優先考慮了對它的分配。 2 ）分析了威脅度和有利度的影響因素及各單因素的模糊分佈，建立了一種新的火力分配模型? ? 「模糊排序模型」 。 3 ）修改了目標分配線的定義，實現了對射擊目標和轉火目標的優化分配。 -
Detecting target at low - altitude is one of important problems for radar. based on high distance resolution is an important method of resolving this problem
探測低空與超低空動目標是雷達研究領域的重要內容之一，高解析度是解決這個問題的重要途徑之一。 -
Through the analysis of the test data and the new development in the relevant literature, some more realistic models for sea - clutter and multipath propagation is concluded and the simulation is accomplished in the software. they provide the foundation for low - altitude radar target detection & tracking techniques research. in the second part, radar low - altitude target detection & parameters ( elevation - azimuth - range delay - doppler shift ) measure are studied
（海）雜波和目標信號的多徑傳播嚴重影響了雷達低空目標探測與跟蹤的性能，通過分析國內外的有關試驗數據和最新的研究進展，總結出比較接近實際的海雜波和多徑傳播模型，並在有關軟體中實現了海雜波與多徑傳播的模擬，為進一步研究各種低空目標探測與跟蹤測量演算法提供了保證。 -
This dissertation analyses the characteristics of chirp - subpulse stepped frequency signal, and analyses and resolves kinds of problems in chirp - subpulse stepped frequency signal. this dissertation studies the use of chirp - subpulse stepped frequency signal in low altitude moving target, and studies and provides theoretical basis for practical application of chirp - subpulse stepped frequency signal and processing techniques
本文對chirp子脈沖頻率步進信號特性進行了研究，並對研究過程中出現的各種問題進行了分析並提出了解決方案;同時，對chirp子脈沖頻率步進信號在低空動目標檢測領域的應用進行了研究，為chirp子脈沖頻率步進信號的實際應用提供了理論依據。 -
Thirdly, this dissertation analyses the echo simulation of chirp - subpulse stepped frequency signal and chirp signal. and the detection capability of chirp - subpulse stepped frequency signal and chirp signal in low altitude moving target is compared. the results show that chirp - subpulse stepped frequency is better
再次，本文分析了chirp子脈沖頻率步進信號和chirp信號的回波模擬問題，在此基礎上，對chirp子脈沖頻率步進信號和chirp信號對低空動目標檢測的性能進行了比較，結果顯示chirp子脈沖頻率步進信號具有較好的性能。 -
Sponsored by dmc - radar applied in a navy range, this dissertation focus on the low - altitude / low - angle radar target detection & tracking techniques. it contains four parts : in the first part, the models of sea - clutter and multipath propagation are studied, which affect the radar ' s detectability and tracking ability of low - altitude target seriously
結合海軍某靶場dmc相控陣雷達的研製，著重研究了海面上低空目標雷達探測和跟蹤測量的有關技術，論文分為四個部分：第一部分系統分析了海雜波與多徑傳播的建模與模擬問題。 -
Low altitude target detection based on the radar and infrared information fusion
基於多源信息融合的低空目標探測
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