采用窗函数技术可以有效地抑制具有坡度的同轴布喇格结构的频率响应曲线的残余旁瓣。
The residual side-lobes of the frequency response can be effectively suppressed by employing the window function technique, using Hannin.
通过实验研究了CQT和DFT在多音阶频率检测时的性能以及窗函数对CQT性能的影响。
Performances of CQT and DFT in estimating multinote frequencies and the effect of window function are studied through experiments.
由于实际信号和窗函数在频域为卷积关系，所以应该考虑实际频率在FFT谱上所处的位置。
In fact, the FFT spectrum is the convolution between read time series and window function in domain of frequency, the dominant frequency position influence on leakage should not be ignored.
为了解决SSCA在循环谱估计中出现循环谱泄露和错误循环频率峰值的问题，提出了一种改进算法，该算法改进之处在于线性内插和窗函数的选择。
To solve the problem of existing cycle leakage and introducing artificial cyclic features, an innovatory SSCA is proposed based on linear interpolation and proper window choice.
与目前常用的几种窗函数的频率特性相比较，其性能优于改进的升余弦窗函数。
Compared with the amplitude-frequency characteristic of the window functions often used at present, its property has an advantage over the rising-cosine function improved.
APDFT方法兼有窗函数法和频率采样法的优点，是一种设计FIR滤波器的新方法。
The APDFT method is a new scheme for FIR filter design, possessing concurrently the merits of the windowing and the frequency sampling method.
采用窗函数法、频率抽样法和切比雪夫最佳一致逼近法，通过调用Matlab信号处理工具箱中的函数设计低通数字滤波器。
By using MATLAB signal and using window method, frequency sampling and Chebyshev approximation the design of low pass digital filter in the toolbox have been processed.
本文详细研究了其窗函数的选取准则，给出了在最佳频率分辨率意义上的最佳窗函数。
The criteria of window functions are discussed in detail, and the optimal length of window is obtained by means of optimal frequency resolutions.
本文详细研究了其窗函数的选取准则，给出了在最佳频率分辨率意义上的最佳窗函数。
The criteria of window functions are discussed in detail, and the optimal length of window is obtained by means of optimal frequency resolutions.
应用推荐