飛機回波 的英文怎麼說
中文拼音 [fēijīhuíbō]
飛機回波
英文
aircraft echo-
This article, through analysis different system radar ’ s superiority and limitation in target identification, proposes to unite the convention air defense radar ’ s echo characteristic and the electronic support sensory system ’ s aircraft - borne radiant characteristic, structure reasonable recognition system. it can satisfie the airplane target identification demand under the different background
本文通過分析不同體制雷達在目標識別上的優勢和局限性,提出把常規防空雷達回波特徵和電子支援偵察系統得到的機載輻射源特徵聯合起來,構造合理的識別系統的新思路,以此來滿足不同背景下對飛機目標識別的需求。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。Compared with jet planes and propeller - driven aircrafts, the radar echoes of helicopters have different characteristics
與噴氣式飛機和螺旋槳飛機相比,直升機的雷達回波具有不同的特點。The high range resolution radar echo of plane target is denoted as one dimension range profile
飛機目標的高距離解析度雷達回波呈現為一維距離像。The following are the main works : the maximum likelihood estimator ( mle ) was studied in detail, and the ocean return curve based on the sub - optimal maximum likelihood estimator ( smle ) was first obtained in china through the airborne flight experiment
( 2 )深入研究了星載雷達高度計最大似然跟蹤演算法,並完成了基於準最大似然演算法的高度計跟蹤器的研製,通過機載校飛實驗,在國內第一次獲得了基於準最大似然演算法的海洋回波跟蹤曲線。The backward scattering field of extended target is approximated as the synthesis of many strong scatter centers on target, and geometric optical method is used in establishing deterministic model of a aircraft in the paper, the model is used to evaluate the performance of frequency diversity in suppressing glint at last
本文將復雜目標後向散射回波近似為目標上若干強散射中心回波的合成,結合幾何光學法得到了某種飛機目標的確定性模型,並用該模型評定頻率分集對角閃爍抑制的改善性能。Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd
測距雷達系統的控制和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ,由它對超聲波回波脈沖進行ad采樣后,計算目標距離並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ,由它對收發組件輸出的多普勒回波進行采樣,計算出目標運動速度后,送給輔助控制晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ,並且在液晶顯示器上顯示速度信息。The plane landed after circling the airport for several hours to burn off excess fuel
飛機隨后返回波士頓,在城市上空盤旋了幾個小時把燃油耗盡后才緊急降落。In processing planes ’ data, extracted poles are sorted to three kinds and one of them match well from two responses of plane, so it may have some relationships between real poles
在處理飛機數據時,得到三類極點,其中存在一類在飛機前後向回波中吻合的較好的點,認為其很可能對應著目標的極點。The performance of adaptive spectral estimation is analyzed. the amti algorithm and adaptive spectral estimation algorithm are compared through the results of computer simulations and a pragmatic radar data
分別採用計算機模擬回波數據和一組真實的飛行數據,對該方法和amti兩種運動雜波抑制技術進行了比較和分析,為工程實現做理論準備。分享友人