雷達測距基線 的英文怎麼說
中文拼音 [léidácèjùjīxiàn]
雷達測距基線
英文
radar range marker- 雷 : 1. (雲層放電時發出的響聲) thunder 2. (軍事上用的爆炸武器) mine 3. (姓氏) a surname
- 達 : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 距 : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 雷達 : [訊] radar (縮自 radio detection and ranging)
- 測距 : range [distance] finding; distance measurement; ranging; stadiometry
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The thesis firstly analyzes the signal form of frequency modulated interrupted continuous waveform ( fmicw ) in theory, studies the principles of detecting range and velocity for fmcw, and further discusses the essential processing methods of the fmicw signal form, including the range transform processing method based on the strict corresponding relation between time and frequency domain, the velocity doppler transform, the digital beam forming
本文首先從理論上分析了在高頻地波超視距雷達所用的線性調頻斷續波信號的形式,研究了fmcw雷達測距測速原理,並深入地探討了fmicw信號的基本處理方法以及具體的演算法,主要包括距離變換中採用的時間波門相關處理方法,速度多普勒變換,數字波束形成。In this dissertation, radar detection in hrr has been taken as background. the followings are main contents of this dissertation : ( 1 ) based on analyzing the targets and the clutter ’ s specific characteristics of hrr radar, the echo models of targets and clutter have been studied respectively ; the changes of targets ’ echoes in different elevation angles, azimuth angles and attitude angles have been analyzed ; then, the echo models of lfm radar clutter have been established
本文針對高距離分辨雷達目標檢測開展研究,主要完成了以下幾方面的工作: ( 1 )分析了高距離分辨雷達目標和雜波回波特徵,在此基礎上分別研究了高距離分辨雷達目標和雜波的回波模型,分析了不同俯仰角、不同方位角以及不同姿態下目標回波模型的變化,並建立了線性調頻脈沖壓縮雷達的雜波模型。In this thesis, aimed at the above - mentioned two - side problems, based on analyzing the theory of lfmcw radar ranging deeply, we implement the work of intermediate frequency signal processing
本論文針對上述兩方面的問題,在深入分析lfmcw雷達測距理論基礎上,在工程上完成了一部8mm毫米波線性調頻連續波測距雷達的中頻信號處理工作。A new approach for initial localization of the mobile robots, namely complete line segments ( cls ) based localization was proposed. the definitions of cls as well as its properties and decision rules were given. the experimental results show that this method has much higher computational efficiency and better localization accuracy
作者先針對目前機器人定位研究中的難點? ?初始定位,結合激光測距雷達的數據特點,提出了基於完整線段( completelinesegments , cls )的初始定位方法,包括cls的定義、性質和判定方法,並在機器人試驗平臺上進行了實驗。4. through our research, the whole measuring scheme is finalized for pulse - counting method with analog intervene chosen to measure distance, the differential coefficient method based on the least - squares curve fitting based on power functions chosen to measure velocity and qd optical spot location method chosen to measure angle
4 .通過研究,最終確定了以模擬插入脈沖計數法測距,冪函數族基最小二乘曲線擬合微分法測速,四象限探測器( qd )光斑定位法測角的脈沖激光雷達整體測量方案。In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1
本文根據探地雷達系統工作原理,在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術,包括探測前端、采樣保持電路的優化,定位輪、目標定位、多線程技術的應用,數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等,顯著提高了系統的探測性能和增強了探測效果,使得系統方位、距離解析度均達到了10cm ,探測深度大於50cm ,其性能指標達到國外先進水平,為進一步的實用化奠定了重要的基礎。In this thesis, based on this kind of application, we made theoretical analysis and engineering practice on high - precision lfmcw and its signal processing millimeter wave broadband lfmcw radar has quite high theoretical range - precision and distance resolution, however, for the real radar system, the nonideal parameter of its transmitting signal, such as power fluctuation and the nonlinearity in frequency sweep, will result in the decreasing of the practical rang - precision and the distance resolution of radar
本文基於這一應用對高精度lfmcw測距雷達及其信號處理進行了理論分析和工程實踐。毫米波寬帶lfmcw雷達具有很高的理論測距精度和距離分辨力,但對于實際的雷達系統,其發射信號的非理想參數-掃頻功率起伏和掃頻非線性,將使得雷達的實際測距精度和距離分辨力下降。The main features and applications of the fmcw radar in the radar altimeters, automotive highway monitoring systems, warship navigation systems and other areas are reviewed first
首先回顧了fmcw雷達的特點和應用以及單一正弦信號頻率估計的各種方法,簡單分析了線性fmcw雷達的測距基本原理。分享友人