backprojection algorithm中文是什么意思

發(fā)音:

中文翻譯
造句

向后投射算法

algorithm n. 【數(shù)學(xué)】算法；規(guī)則系統(tǒng)；演段。
backprojection 反向投射
backprojection operator 后投影算子
simultaneous backprojection 聯(lián)立反向投影
the algorithm 算法
access algorithm 存取算法
adaptive algorithm 自適應(yīng)算法
add algorithm 遞增算法
address algorithm 地址運(yùn)算
adjusting algorithm 調(diào)整算法
admissible algorithm 可采納算法
agglomerative algorithm 凝聚算法
algorithm analysis 算法分析一個(gè)軟件的驗(yàn)證確認(rèn)任務(wù)，用于保證選擇的算法是正確的、合適的和穩(wěn)定的，并且滿足所有精確性、規(guī)模和時(shí)間方面的要求。
algorithm attribute 算術(shù)屬性
algorithm availability 算法有效性
algorithm block 算法字組
algorithm bus 運(yùn)算總線
algorithm chart 算法圖
algorithm classification 算法分類
algorithm coding 算術(shù)編碼
algorithm comparison 算法比較
algorithm complexity 算法復(fù)雜性
algorithm controller 演算法控制器
algorithm convergence 算法收斂性
backprojectionn 背面放映合成
backprojected point spread function 反向投影點(diǎn)展寬函數(shù),反向投影點(diǎn)擴(kuò)展函數(shù)

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例句與用法

The system makes impedance measurements using an array of 32 electrodes on the surface of the body , and reconstructs the images using a veighted backprojection algorithm
該系統(tǒng)采用32體表電極進(jìn)行阻抗測量，用加權(quán)反投影算法進(jìn)行圖象重構(gòu)。
The corresponding image formation algorithms , both in tune domain and frequency domain , are introduced . beginning with the projection reconstruction theory , convolution - backprojection and its approximated algorithm , backprojection algorithm are given
根據(jù)這一投影重建理論，導(dǎo)出了impsar目標(biāo)投影重建的卷積-反投影算法及其近似算法-反向投影算法。
And so the method whichhas the same quality as filtered backprojection algorithm , used the properties of wavelet to reconstruct a local region of the cross section of a body , using almost completely local data , and could reduce noise of the image
經(jīng)過理論分析和數(shù)值仿真，本文提出的基于可分離mra去噪小波重建算法、基于不可分離mra的小波重建算法和基于不可分離mar的去噪小波重建算法，都有一定的創(chuàng)新性和實(shí)用性。
This algorithm not only have the charicristic of local reconstruction that could reduce the amount of x - ray exposure and computations in reconstruction , but could reduce the noise in the conditions of keep same image quality as reconstructed in the filter - backprojection algorithm as well
這種算法具有局部重建特性，從而降低了x射線的輻射劑量和算法的運(yùn)行時(shí)間，在保證和傳統(tǒng)的濾波反投影法具有基本相同的圖像重建質(zhì)量的條件下還具有一定的去噪性能。
The method uses the properties of wavelet to reconstruct a local region of the cross section of a body , using almost completely local data , therefore reduces the amount of exposure and computations in reconstruction , while has the same quality as filtered backprojection algorithm
利用小波的特性，該算法僅使用幾乎是完全局部的投影數(shù)據(jù)去重建身體剖面上的某個(gè)局部區(qū)域，從而大大降低了x射線的輻射劑量和算法的運(yùn)行時(shí)間，同時(shí)還具有和傳統(tǒng)的濾波反投影法基本相同的圖像重建質(zhì)量。
This thesis developed an algorithm to reconstruct the wavelet coefficients of an image from the radon transform data . this algorithm is similar to the conventional filtered backprojection algorithm , except that the filters are now angle dependent , and the backprojection gives us the wavelet coefficients of the reconstruction , which are then used to synthesize the reconstruction
該算法與傳統(tǒng)的濾波反投影法相似，不同的地方在于，算法中用到的濾波器是與x射線的照射角度相關(guān)聯(lián)的，而且反投影后得到的是待建圖像的小波分解系數(shù)，這些系數(shù)再經(jīng)過逆小波變換就得到了最終的重建圖像。
The concept , advantages and history of bistatic isar are introduced first in this paper , then 2 - d turntable imaging of monostatic isar the special example of bistatic isar is studied . on the basis of monostatic isar four imaging algorithms are analyzed , including fft algorithm , filtered backprojection algorithm , spectrum extrapolation algorithm and esprit algorithm , and compared in the small and big angel of imaging . on the basis of monostatic imaging the 2 - d turntable imaging principle of bistatic isar is studied ,
本文首先闡述了雙站逆合成孔徑雷達(dá)的概念、優(yōu)點(diǎn)和發(fā)展歷程,然后研究了雙站逆合成孔徑雷達(dá)的特例? ?單站逆合成孔徑雷達(dá)對轉(zhuǎn)臺目標(biāo)的二維成像算法,并在此基礎(chǔ)上分析了四種主要的轉(zhuǎn)臺成像算法, fft算法、濾波逆投影算法、譜外推算法和esprit算法,并對以上各種算法分別在小角度和大角度下的成像性能進(jìn)行了比較。
In this paper , firstly , we studied the newly working in the field of the application of wavelets transform used - in the computer tomography in two - dimesion , and mainly focused in the field of filter - backprojection algorithm . we analized the application of one - demision wavelets transform and two - demision wavlets transform
本文首先對小波理論在二維圖像重建應(yīng)用的最新研究進(jìn)行分析，著重研究了了小波理論在濾波反投影算法中的具體算法，分別從一維小波變換和二維小波變換進(jìn)行了探討。

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