scattering center造句
例句與造句
- In this paper , we do research about the nonideal scattering centers
本文的研究圍繞各種非理想散射現(xiàn)象而展開。 - Then , some typical scattering center estimation methods are lucubrated
在白噪聲背景下，深入研究了幾種典型的散射中心估計(jì)方法。 - Wide - band high - resolution radar can resolve a target into a number of scattering centers
寬帶條件下,雷達(dá)目標(biāo)被孤立成一系列的散射中心。 - Those nonideal scattering centers make the imaging blur , but they also contain the feature of target
這些非理想散射中心造成了圖像的模糊,但它同時(shí)也包含了目標(biāo)的重要特性。 - By using it and the time - domain derivative - fitting estimator , we decompose the scatter centers " response of many targets
從大量的實(shí)際計(jì)算中，本文展示了其中的一些計(jì)算實(shí)例。 - It's difficult to find scattering center in a sentence. 用scattering center造句挺難的
- The two - dimension relax algorithm which is used estimating the two - dimensional scattering center in clutter circumstance is studied
在雜波背景下，研究了提取目標(biāo)二維散射中心的relax算法。 - Based on the multi scattering center theory , the frequency model describing electromagnetic scattering characteristics of target is developed
首先從目標(biāo)多散射中心理論出發(fā)，推演了描述目標(biāo)散射特性的頻域散射數(shù)學(xué)模型。 - In chapter 3 , under the wideband radar system , some parameter estimation methods of scattering center are studied in the white noise and clutter background
第三章以寬帶階梯變頻雷達(dá)為研究背景，在白噪聲和雜波條件下，研究了提取目標(biāo)強(qiáng)散射中心的參數(shù)估計(jì)方法。 - Two methods are presented , one is based on the normalized central moments of one dimensional range profiles , the other is based on one dimensional scattering centers matching
提出了基于目標(biāo)一維平均距離像歸一化中心矩的目標(biāo)識別方法和一種新的基于目標(biāo)一維散射中心匹配的目標(biāo)識別方法。 - The method is demonstrated by using real data of airplane . the airplane isar image is evidently enhanced , and the physics - based feartures of scattering centers is gained by the method
依此框架完成了對飛機(jī)目標(biāo)isar圖像有效的增強(qiáng)處理，提取到了反映成像目標(biāo)結(jié)構(gòu)特征的點(diǎn)散射中心集合。 - Then , in white noise condition , a two - dimension scattering center estimation method which is called matrix pencil method of two - dimension harmonious restructure ( mp2d ) is proposed
在白噪聲背景下，針對目標(biāo)二維散射模型自相關(guān)函數(shù)“邊緣解耦”特性，提出了估計(jì)目標(biāo)二維散射中心的mp2d算法。 - Attributed scattering center comprises more features for sar atr , but because of its high dimensionality , the method of attributed scattering center extraction is more complicated
屬性散射中心包含了更豐富的可用于目標(biāo)分類識別的特征，但同時(shí)由于特征參數(shù)的維數(shù)更高，因此相應(yīng)的特征提取方法更復(fù)雜。 - Then this dissertation investigates the methods of radar target recognition based on one dimensional range profiles and one dimensional scattering centers which are obtained from target wideband frequency responses
然后研究了利用由目標(biāo)寬帶頻率響應(yīng)得到的一維距離像和一維散射中心進(jìn)行目標(biāo)識別的方法。 - Projection reconstruction for the far field applications and wavefront reconstruction for the near field applications of the impsar are addressed according to the target scattering center model
根據(jù)目標(biāo)散射中心模型，文中給出了impsar的適用于遠(yuǎn)場應(yīng)用條件的投影重建和應(yīng)用于近場應(yīng)用條件的波前重建成像方法。 - Since estimating parameters of all scattering centers at the same time is the cause of high computational cost and complexity , relax technique is introduced into mle algorithms to get around that difficulty
在此基礎(chǔ)上，引入relax技術(shù)，提出了ml - relax參數(shù)估計(jì)方法，解決了同時(shí)估計(jì)多個散射中心這一造成計(jì)算量過大的根源問題。
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