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A method of super-resolution imaging is described, which utilizes cosine fringes to acquire more spatial frequency spectrum of the object. 研究了一种高分辨率成像的方法，该方法利用余弦条纹照射目标以获取目标更宽的频谱。
Then the amplitude vectors of diffracted plane waves from the disk are calculated rigorously for each incident plane wave, and the spatial frequency spectrum of the total diffracted field is obtained. 然后计算光盘对每个平面波的衍射，得到衍射波的振幅矢量，从而得到了整个衍射波场的空间频谱；
spatial frequency spectrum synthesizer 光学空间频率合成器
Spatial Frequency Spectrum Analysis of the Performance of the Diffractive Optical Element for Beam Smoothing 衍射光学束匀滑器件性能的空间频谱分析
spatial frequency spectrum 空间频谱
A filter whose transfer function is matched with the frequency spectrum function of input signal. 其传递函数与输入信号的频谱函数相匹配的一种滤波器。
The Collins formula and tensor ABCD law in spatial frequency domain provide the relation between the input spatial Fourier spectrum and the output spectrum directly. 空间频率域中的柯林斯公式和张量ABCD定律直接给出了像散光束的空间傅里叶频谱的传输规律。
It includes topics such as spatial frequency filtering, holography. 它包括空间频率滤光、全息摄影。
Alters the frequency spectrum of signals passing through it. 当通过它时能够改变信号的频谱。
Frequency Spectrum Measurement of Noise of Image Intensifiers[J]. 引用该论文钱芸生;常本康;童默颖;刘磊.
The inverted frequency spectrum,in fact, is Fouriers retransform. 倒频谱是频域信号的傅里叶再变换。
Luminance masking and spatial frequency masking were considered in our scheme. 此方法考虑了人的视觉所具有的亮度屏蔽和空间频率屏蔽特性。
The results revealed mild lowering contrast sensitivity at high spatial frequency for our glaucoma patients. 然而特定轴度之闪光眩耀测试结果并未见明显差别。
Analyzed is the dependence of the defocusing quantity on the hologram size and the spatial frequency bandwidth of the object. 分析了全息图尺寸及其记录的空间频带宽度与离焦量的关系;
A system that divides the frequency spectrum of a signal into a number of bands, which are separately transmitted and then recombined. 一种先将一个信号的频谱分成几个可独立传送的频带然后再合成的方法。
The diffraction of surface acoustic waves in Raman-Nath regime on acoustic grating with linearly chirped spatial frequency is investigated. 本文将声表面波声栅上的Raman-Nath衍射现象研究发展到其周期的空间频率为线性变化的声栅情形。
The effects of radial position and the axial length of the electrode on the temporal frequency bandwidth are similar to the spatial frequency domain. 在时间频域内测量系统相当于带通滤波器,电极的轴向长度和颗粒径向位置对频带宽度的影响与空域频率特性相似;
The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of uexp( tt/ Pw) Multiply by Carrier with Uniform Phase Noise. 单边递减波电压讯号乘上含有均匀相位杂讯载波之调变讯号时域波形及频谱。
Method Modulation transfer function (MTF) was used to analyze the spatial frequency transfer characteristics of CT and MRI. 调制传输函数可对线性影像系统的频率传输特性进行描述。
The entire available frequency spectrum is used with 79 hops of 1Mhz bandwidth, analogous to the IEEE 802.11 standard. 以1Mhz带宽79跳来利用这个完整的可用频谱。这类似于ieee 802.;11标准。