适当选择无源元件就可实现各种二阶滤波函数。
A variety of desired two fractional filters can be implemented by appropriate selection of passive element.
理论分析证明，此新消模糊函数是逆滤波函数的傅里叶变换。
Theoretical analysis shows that the new deblurring function is the Fourier transform of inverse filtering function.
选择合适的滤波函数是瞳面相位差波前传感器成功实现的关键。
An appropriate filter function is the key to successful wavefront retrieval for the wavefront sensor based on pupil phase diversity.
该滤波器的滤波函数为一实数并且有一定的特点，因此很容易制得。
The function of this filter is real with some peculiarity, so it is easy to make.
本文介绍了滤波器的制作，对滤波函数进行了计算，最后提供了对字符微商的实验结果。
This paper describes the fabrication of the filter and the calculation of the filtering function. The experimental results of pattern differentiation are presented at the end.
在空间载波条纹位相检测中，滤波函数的选择对解调相位的精度和速度起着决定性的作用。
The property of digital filters for spatial phase detection significantly influences the accuracy and the speed of phase demodulation.
本文讨论有源滤波器滤波函数的逼近问题，提出了一种寻优方法，计算切比雪夫型滤波函数。
This paper describes the approximation of active filters. An optimum seeking method is used to calculate the filter functions which have the form of Chebyshev approximation functions.
信息量用高计数和低计数模拟。空间分辨用改变滤波函数种类和滤波参数模拟，共模拟8种条件。
The simulation parameters include information dencity and spatial resolution. 8 filtering conditions were simulated by changing counts rate and filter parameters.
具体应用时，可根据实现的成本和制作难易程度在滤波函数大小合适的范围内确定滤波函数的种类。
In real application, the kind of filter function can be chosen based on the cost and complex of making filter function while the size of filter function is within an appropriate range.
本文介绍用面积编码的方法将滤波函数为正弦函数的匹配滤波器和菲涅耳波带片组合在一起的自聚焦滤波器。
This paper presents a self focusing filter which is composed of matched filter with sine form and Fresnel zone plate by means of area coded method.
利用码间串扰量的度量准则，对不同的成形滤波函数研究了插值滤波器的参数优化估计及其抗时钟抖动性能。
By using the measure criterion of intersymbol interference, the parameter optimization and robustness of timing jitter of interpolation filter for a few kinds of shaping functions has been studied.
文章在研究FIR数字滤波器设计算法的基础上，采用滤波函数与分段卷积结合的方法实现对较长测井信号的处理。
The passage deals with the logging signal by the method of combining filter function with partition convolution which is based on the search of designing FIR digital.
针对F I r正交滤波器方法的缺点，本文根据函数逼近理论，在理论上，证明了正交小波函数可以最佳一致逼近理想滤波器。
After deficiencies of the FIR based orthogonal filter are analyzed, this paper, based on function approximation, theoretically proves that orthogonal wavelets can best approximate the ideal filters.
针对F I r正交滤波器方法的缺点，本文根据函数逼近理论，在理论上，证明了正交小波函数可以最佳一致逼近理想滤波器。
After deficiencies of the FIR based orthogonal filter are analyzed, this paper, based on function approximation, theoretically proves that orthogonal wavelets can best approximate the ideal filters.
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