matrix pencil造句
例句與造句
- compared with the matrix pencil ( mp ) method and clean method, it is quite simple and time saving under the similar compression ratio and reconstruction error
同clean法和矩陣束法相比,tdft法在壓縮率、重構(gòu)誤差與它們相當(dāng)?shù)那闆r下,計算量要小得多。 - 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,提出了估計目標(biāo)二維散射中心的mp2d算法。 - fft is applied to data and spectra peak search is done, then using the data near the spectra peaks to compute two 4th-order cumulants matrix to form rotational invariance matrix pencil which the esprit algorithm can be applied to
對采樣數(shù)據(jù)進行fft和譜峰搜索,截取譜峰附近數(shù)據(jù)構(gòu)造一路信號的四階累積量矩陣和二路信號的互四階累積量矩陣,構(gòu)成了一對esprit算法所需要的旋轉(zhuǎn)不變矩陣束。 - usually these pole extraction methods are poor when the value of the residual corresponding to the pole is small . in order to avoid the disadvantages, the matrix pencil method for the pole extraction of transient responses from multiple look direction is introduced
針對大部分算法由于入射方向的不同而導(dǎo)致目標(biāo)的某些極點由于留數(shù)太小提取不出來的缺點,采用了一種使用多個入射方向瞬態(tài)響應(yīng)的矩陣束法來提取極點。 - first, the thesis introduces the definitions and the attributes of the higher-order statistics . it is insensitive to additive gaussian noise ( white or colored ), which is what we base on to doa problems . then two doa estimation algorithms based on higher-order statistics are presented, one is that forming cumulant matrix pencil used in esprit to estimate doa problems, the other is spectrum estimation method for doa estimation based on the eigenstructure analysis of the fourth-order cumulant, and comparing the effects of the estimation to conventional covariance-based doa algorithms "
論文首先對高階統(tǒng)計量的定義和性質(zhì)作了介紹,特別指出了高階統(tǒng)計量對加性高斯噪聲(白色或有色)不敏感,這是我們利用它進行波達方向估計的理論依據(jù),然后文中提出了兩種基于高階統(tǒng)計量的波達方向估計方法,一種是利用子空間旋轉(zhuǎn)不變技術(shù)構(gòu)造四階累積量矩陣進行估計的方法,另一種是基于四階累積量陣特征分解的空間譜估計測向方法,并將它們的估計效果與傳統(tǒng)協(xié)方差方法的效果進行比較。 - It's difficult to find matrix pencil in a sentence. 用matrix pencil造句挺難的
- then the solving procedures of these bies by the rwg functions based moment method are elaborated, and the method of modeling complex objects built of arbitrary line, surface and volume structures is developed . in order to solve realize antenna and circuit problems, methods of adding excitations and concentrated loadings with moment method are deceloped, and matrix pencil ( mp ) method is used to deembeded the s prameters of antennas and circuits from the computed current distribution . some numerical results of practical complex antenna and scattering problems are presented to illustrate the veracity and effectiveness of the method
在第一部分中,首先從電磁場的基本理論出發(fā),基于等效原理和邊界條件以統(tǒng)一的方法建立了用于分析金屬、介質(zhì)及金屬與介質(zhì)混合結(jié)構(gòu)的邊界積分方程,并歸納和比較了各類積分的適用范圍和優(yōu)缺點;在此基礎(chǔ)上,給出了使用基于rwg函數(shù)的矩量法求解各種邊界積分方程的一般過程;研究了具有任意線、面、體組成的復(fù)雜結(jié)構(gòu)的電磁建模方法,并給出了各種多面連接情況下基函數(shù)和未知量的選取方法;研究了使用矩量法分析電路、天線問題時集總元件和激勵源的處理方法,并基于矩陣束方法(matrixpencilmethod)提取了電路和天線問題的s參數(shù);最后通過分析一些工程中的復(fù)雜金屬天線問題和具有“金屬與介質(zhì)混合結(jié)構(gòu)”的散射和天線問題驗證了方法的準(zhǔn)確性和高效性。 - in this paper, we analyzed the theory of several linear methods for the pole extraction, such as prony method, kt method and matrix pencil method . then, numerous results based on scattering responses synthesized from weighted sums of two exponentially damped sinusoids are provided to compare theirs performance
本文主要分析了幾種極點求解線性算法??prony法、kt法、矩陣束法的基本原理,并比較了這幾種算法對于只含兩個指數(shù)衰減信號模型參數(shù)估計的仿真結(jié)果。 - an algorithm for matching the esprit's estimation of two-dimensional angle by using twice svd and once schur is proposed . using two row uniformity sensor-arrays and adding one sensor, the algorithm decomposes the array twice and exploits rotational invariance properties of signal space, so that both angles may be computed via matrix pencil method, and these estimates are automatically paired . simulation results are presented to verify the efficacy of the proposed algorithm
首先針對esprit算法對窄帶源進行二維doa估計存在測向冗余的情況,提出了一種改進算法,該算法利用子陣信號數(shù)據(jù)矩陣中包含的信號空間的旋轉(zhuǎn)不變性質(zhì),借助于矩陣束方法求解出信號的二維到達角,并且利用兩次奇異值及一次schur分解從而實現(xiàn)了esprit二維doa估計參量的自動配對;2