Based on the analysis of conventional phase difference detection method,a new algorithm of phase difference detection is presented according to Fourier series decomposition method and the characteristic that inner product of two orthogonal vectors in a linear space is zero.

在分析現(xiàn)有相位差檢測算法的基礎(chǔ)上，應(yīng)用Fourier級數(shù)分解方法與線性空間中正交向量內(nèi)積為零的特性操逼黄色大片，推導(dǎo)出了一種新的相位差檢測算法com超碰。

According to the basis theory of probability finite element method,on the conventional second-moment analysis technique, this paper put forward the second-mocment differential method.

摘 要：依據(jù)概率有限元的基礎(chǔ)理論，從傳統(tǒng)的一次二階矩出發(fā)亚洲黄色视频一区入口，提出了一次二階微分法的計(jì)算方法免费在线观看视频被多人操。

An example indicates that the method in this paper is feasible, and can replace the conventional quasi statics method.

算例表明了該方法的計(jì)算結(jié)果與傳統(tǒng)方法的一致性，可以替代傳統(tǒng)的擬靜力學(xué)方法www.99cao.com。

The mode field of photonic crystal fiber structured with hexagon symmetry hole cladding was analyzed by coupled-mode, and the effective indexes of base mode of different wave length were got. The characteristics of this photonic crystal fiber grating were computed and simulated by coupled-mode method and transmission matrix method. Moreover, the differences were compared between conventional fiber grating and photonic crystal fiber grating on their reflection spectrum and delay.

利用多極法對包層空氣孔為正六邊形對稱結(jié)構(gòu)光子晶體光纖的模式場進(jìn)行了分析亚洲人成三级黄片观看，計(jì)算出不同波長下基模的有效折射率，結(jié)合使用模式耦合理論和傳輸矩陣法對基于光子晶體光纖的布拉格光柵特性進(jìn)行了計(jì)算和仿真男女免费视频在线观看网址，對比了常規(guī)單模光纖所成光柵與相同光柵周期的光子晶體光纖布拉格光柵反射譜及時延特性之間的差異成人播放日韩在线播放AV。

An improved method for measurement of complex permittivity using six-port reflectometer is presented. Error caused by incomplete superposition between the measured plane and reference plane, which is often in the case of conventional measuring method, is eliminated with the developed novel algorithm by separating the two planes.

提出了六端口反射計(jì)測量介質(zhì)材料復(fù)介電常數(shù)的一種改進(jìn)方法，新的算法使測量面與參考面分離国产三级伦吃奶在线播放，消除了傳統(tǒng)測量方法中測量面與參考面無法完全重合引入的誤差狠狠久久精品伊人。

The main contents is: analyzing some detection method to moving target nowadays; particular studying the principle of detection moving target in SAR; analyzing SAR imaging theory and the echo model of moving target; discussing conventional SAR imaging , the movements of target cause the changes of doppler mass center and regulable frequency, and the changes cause effect the imaging result; introducing the estimation method of doppler parameter; analyzing theory of DPCA, derivating the formula needed, and validating it's validity and practicability through simulation; advancing the improved DPCA algorithm that combine the advantage of DPCA and ATI, and validating it through computer simulation; using the revision algorithm to range ambulate based on keystone transformation, and validating it through computer simulation; discussing the compensation art of SAR imaging.

主要內(nèi)容有：分析了現(xiàn)有的一些動目標(biāo)的檢測方法；詳細(xì)研究了SAR動目標(biāo)檢測的原理婷婷综合热；分析了SAR成像理論和運(yùn)動目標(biāo)的回波模型伊人久久大香线蕉Aⅴ；探討常規(guī)SAR成像時，目標(biāo)運(yùn)動引起的多普勒質(zhì)心和調(diào)頻率變化国产一区二区三级片网站，以及這些變化對成像結(jié)果的影響国产高清无码自拍；介紹了多普勒參數(shù)的估計(jì)方法；分析了DPCA原理国产操逼视频免费看，推導(dǎo)所需要的基本公式亚洲日韩国产欧美性，并仿真驗(yàn)證其有效性和實(shí)用性；提出了結(jié)合DPCA和ATI優(yōu)點(diǎn)的改進(jìn)DPCA算法18岁以下禁止看网站，并仿真驗(yàn)證污污视频啊啊快操我高潮了鸡巴好硬；探討了SAR成像中的運(yùn)動補(bǔ)償技術(shù)。通過對仿真結(jié)果的分析日本视频网站黄色，本文提出的方法具有一定的指導(dǎo)意義和參考價值成年人免费视频a片。

As to system＇s uncertainty such as time varying characteristics, grey multiple step error correction method took the place of the conventional single step error correction method.

針對對象特性時變等不確定因素，該文以灰色多步誤差預(yù)測校正替代原有算法的當(dāng)前一步誤差校正色偷偷色偷偷少妇水真多，可以更為有效的克服模型失配等因素的影響一级做a爰片久久毛片A片手机。

Except the same characteristic as the conventional boundary element method, this method avoids the nearly singular integral , so it is one of effect numerical calculation methods.

該方法繼承了傳統(tǒng)邊界方法的優(yōu)點(diǎn)，而避免了傳統(tǒng)邊界元方法遇到的邊界積分奇異性問題，是該問題一個十分有效的數(shù)值求解方法欧美日韩免费专区在线。

However, both methods have comparable results in assaying metals in real samples. In smithsonite, only lead was found as 79.5 ppm and 81.2 ppm by the conventional calibration method and the standard addition method, respectively.

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The conventional calibration method and the standard addition method were compared in the assay of lead, cadmium, copper, and nickel in mineral Chinese medicines (borex, dragon teeth, oyster, smithsonite, and limonitium) by atomic absorption spectrometry.

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