fourier transform imaging 中文意思是什麼
fourier transform imaging
解釋
傅立轉換成像-
Based on the understanding and comparing of various spectrum analytical methods, and combining the development of fibre optics and sensor technology of imaging of solid state, a conceptual design of the space modulated fourier transform spectrometer is put forward in this article which is based on the triangle common - path interferometer and a multichannel detector ( ccd )
本文在了解和比較各種光譜分析方法的基礎上，結合光纖光學及固態成像傳感器技術的發展，提出一種基於三角共光路干涉儀和多通道探測器（ ccd ）的空間調制型傅里葉變換光譜儀的概念性設計。 -
In this paper, the main problem is to detect the position and velocity of moving target by fractional fourier transform which could be concluded by three parts, the echo model establishment of moving target, the realization of fractional fourier transform and parameters estimation of moving target, detailed contents are as follows. firstly, the paper analyses the echo model of sar static target and introduces a kind of sar imaging algorithm, range - doppler ( r - d ) algorithm
本文的主要內容包括三個部分，即動目標回波模型建立、分數階傅立葉變換的實現和動目標參數估計，具體來說，其內容如下:首先，本文研究分析了合成孔徑雷達靜止點目標的回波模型並介紹了一種基本的合成孔徑雷達成像演算法? ?距離-多普勒（ r - d ）演算法。 -
Based on the theoretical expression of the average intensity in the fourier transforming and imaging optical system with variable aperture, an algorithm is developed to change the intensity data versus the aperture radius into the bessel - fourier - transform - and - the - inversion of a function of the height - height correlation function. three samples of gaussian correlation are used for the experimental demonstration
在理論分析和實驗測量中，我們採用了變孔徑的傅立葉變換和成像系統，由所得到的像面光強的解析式，建立了將平均光強隨孔徑的數值變化關系轉化為正逆傅立葉變換對，從而恢復出表面的高度?高度相關函數。 -
Among the different imaging algorithms, the range - doppler fft ( r - d fft ) algorithm, based on range - doppler theory, in which the fast fourier transform ( fft ) is employed to reduce compute burden, is widely used in various imaging radar because it can be easily realized in real - time application
陸基成像雷達（ gbr ）作為isar成像技術的重要應用，其觀測目標具有速度快，慣性大，運動相對平穩等特點，針對這些特點，本文對isar成像運動補償方面作了較為深入的研究。 -
As the targets flying in groups may spread over several range of cells and their doppler frequencies are time *. varying, a scheme of target number detection in groups on a conventional low *. resolution radar is proposed based on a time *. range *. doppler image cube which is constructed by substituting a time *. frequency transform for the fourier transform in the conventional range *. doppler imaging
針對實際編隊目標在距離上的分佈特性和目標多普勒頻率的變化規律，利用聯合時頻變換代替傳統傅立葉變換，建立目標時間-距離-多普勒立體像，提出一種基於立體像的目標架次檢測方法。 -
Short - time fourier transform and time - frequency distribution series are applied to time - frequency imaging. time - frequency distribution series based on wavelet transform is discussed., and a new time - frequency tool : frequency - shear distribution is introduced into radar imaging fields
討論了基於小波變換的時頻分佈級數，把一種新的時頻分析工具? ?頻率-切變分佈應用於時頻成像。
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