clutter suppression造句
造句與例句
手機(jī)版
- Clutter suppression is critical to airborne early warning surveillance sensors
雜波抑制是機(jī)載預(yù)警雷達(dá)下視工作時(shí)的關(guān)鍵問題。 - 2 . we summarized the main methods of airborne radar clutter suppression and analyzed their performance and characteristics by much simulating . 3
2 .總結(jié)了機(jī)載雷達(dá)雜波的主要抑制方法,對(duì)它們的性能、特點(diǎn)進(jìn)行了分析,并做了大量仿真。 - The characteristics of the ground clutter are analyzed and presented . the development and the theories of clutter suppression of airborne radar are desicribed systematically
首先分析總結(jié)了地物雜波頻譜的組成特性,系統(tǒng)地闡述了機(jī)載雷達(dá)雜波抑制的基本理論及其發(fā)展動(dòng)態(tài)。 - The key to the settlement of the question of effective detection of ground and low air targets lies in adaptive of effective clutter suppression in airborne radar
因此,有效地抑制這種時(shí)間非平穩(wěn)和空間非平均的雜波干擾是雷達(dá)系統(tǒng)有效完成地面目標(biāo)和低空飛行目標(biāo)檢測(cè)必須解決的首要問題。 - We summarized two - stap methods of airborne radar clutter suppression , analyzes their performance and characteristics by much simulating . 4 . a new technique of clutter suppression be developed which is base on 3dt ?
3 .分析了兩種- stap雜波抑制的方法,對(duì)他們的性能,特點(diǎn)進(jìn)行了分析,并做了大量的仿真。 - The method can hold not only for isar of flying target , but also for ground moving object and sea ship after adaptive clutter suppression . + the analysis of the algorithm of low - resolution radar is made
這個(gè)算法流程不但適用于isar空中運(yùn)動(dòng)目標(biāo)成像，如果成像之前進(jìn)行了雜波抑制也適用于地面運(yùn)動(dòng)目標(biāo)和海面艦船目標(biāo)成像。 - This dissertation focuses on studying adaptive clutter suppression of airborne radar . it not only gives impetus to the application of adaptive filtering and spectral estimation but also have important significance to project development
本文對(duì)機(jī)載雷達(dá)雜波抑制技術(shù)進(jìn)行研究,該研究對(duì)自適應(yīng)濾波和譜估計(jì)的快速實(shí)時(shí)應(yīng)用及工程研制具有重要意義。 - Conventional airborne radar clutter suppression techniques utilize the diffrernce in doppler frequency domain between clutter and target returns to suppress clutter . doppler frequency domain one - dimension adaptive filtering , which usually used in main lobe clutter suppression
傳統(tǒng)的機(jī)載雷達(dá)地雜波抑制方法采用多普勒頻域一維自適應(yīng)濾波,即利用雜波和目標(biāo)信號(hào)回波在多普勒頻域上的差別對(duì)雜波進(jìn)行抑制。 - This dissertation develops research work for some fields in which ground clutter suppression algorithm may be used for airborne phased - array radar , software design of 3dt - - stap algorithm with adaptive space - frequence steer vector algorithm is completed for clutter suppression realtime processing system based on tigersharc ts101 chip
本論文圍繞機(jī)載相控陣?yán)走_(dá)的空時(shí)二維處理技術(shù)展開研究工作,主要任務(wù)是為系統(tǒng)選擇地雜波抑制的算法,并完成以浮點(diǎn)dsp芯片( ts101 )為核心的基于3dt - In this dissertation , the research trends for the problem have been introduced ; the ‘ dim ’ and ‘ point ’ has been strictly defined in mathematics from machine vision and human vision ; the ideal clutter suppression system based on clutter predication and the realization and evaluation of evaluation index has been studied , in succession the clutter suppression technologies have been researched . firstly , the classic nonparametric algorithm has been analyzed in detail and systematically , for it ’ s weakness that it cannot remove the non - stationary clutter ideally , kalman filter algorithm for clutter suppression in 2d image signal has been built . secondly , fast adaptive kalman filter is presented based on fast wide - sense stationary areas partition algorithm : limited combination and division algorithm based on quarti - tree algorithm , new taxis filter route algorithm which can break through the limitation of the necessity of pixel neighborhood of 2d filter and laplace data model with two parameters which is perfectly suitable for the residual image of kalman clutter suppression
首先分析了經(jīng)典的非參數(shù)法,對(duì)于四種具有代表性的核,從前述的三個(gè)性能評(píng)價(jià)方面做了分析和對(duì)比,指出了其速度快的優(yōu)點(diǎn)和對(duì)非平穩(wěn)圖像適應(yīng)性差的弱點(diǎn),針對(duì)非參數(shù)法的弱點(diǎn),重點(diǎn)研究了對(duì)非平穩(wěn)圖像適應(yīng)良好的卡爾曼雜波抑制技術(shù):建立了非平穩(wěn)圖像的類自回歸模型,在此基礎(chǔ)上建立了二維卡爾曼濾波基礎(chǔ)的兩個(gè)方程:狀態(tài)方程和測(cè)量方程;建立了非平穩(wěn)圖像準(zhǔn)平穩(wěn)區(qū)域快速劃分算法:基于四叉樹法的有限分裂合并算法;二維空間的基于k排序的濾波路線算法,突破了空域?yàn)V波路線上區(qū)域相鄰的限制;在這些研究的基礎(chǔ)上實(shí)現(xiàn)了快速卡爾曼估計(jì),實(shí)驗(yàn)驗(yàn)證了該方法相對(duì)逐點(diǎn)卡爾曼估計(jì)可以提高運(yùn)算速度三倍左右;雜波抑制結(jié)果表明傳統(tǒng)的高斯性檢驗(yàn)并不適合卡爾曼估計(jì)后的殘余圖像,由此建立了殘余圖像的雙參數(shù)拉普拉斯模型,實(shí)驗(yàn)表明其可以完好的吻合殘余圖像的概率密度曲線。 - It's difficult to see clutter suppression in a sentence. 用clutter suppression造句挺難的
- For slow targets whose doppler frequencies fall into clutter doppler band , the performance of frequency domain one - dimension filtering is seriously degraded . in an airborne radar , there is interdependence between the clutter doppler frequency and spatial position . space - time adaptive processing ( stap ) utilizes this interdependence to suppress clutter and get perfect main - lobe and side - lobe clutter suppression
空時(shí)自適應(yīng)處理利用機(jī)載雷達(dá)地雜波多普勒頻率與地雜波空間位置的耦合性,根據(jù)目標(biāo)和雜波在空間-多普勒頻域二維空間分布上的差別對(duì)雜波進(jìn)行抑制。 - The aim of the task is to detect moving target in the varied clutter environment , which contains the following contents : ( 1 ) radar theories relational to the task , including clutter character , their magnitude and spectral distributions . in this part , moving target detection method is introduced , several methods on clutter suppression is presented
本課題的主要目的是進(jìn)行雜波環(huán)境下的動(dòng)目標(biāo)檢測(cè)，由以下部分組成： ( 1 )與本課題相關(guān)的雷達(dá)理論知識(shí)，包括雜波特性，它們的幅度分布和頻譜分布、處理方法，動(dòng)目標(biāo)檢測(cè)的原理以及雜波抑制的常用方法。
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