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wave_decomandreconstruct_1D
- 一维小波的分解与重构.采用vc控制台编写,采用的滤波器系数是db4.经测试成功运行,并可移植到二维图象的变换中
C#数字带通滤波器
- 数字滤波,将噪音文件替换可处理新的信号 窗移系数建议维持0,各窗之间无重叠。
Matlab
- FIR滤波器设计中的凯撒窗函数设计,最后有对应系数产生-FIR filter design in the design of the Kaiser window function, and finally there are the corresponding coefficients have
filterbank8
- 8 通道双正交余弦调制滤波器组实现,滤波器的采样频率为 Fs:20000Hz 设计的低通原型的通带频率为625Hz 阻带衰减80db,滤波器的系数长度为512-8-channel biorthogonal cosine-modulated filter banks to achieve, filter sampling frequency Fs: 20000Hz designed a prototype low-pass frequency of 625Hz passband stopband
coe
- 自动计算fir滤波器系数的工具,不妨一试-Automatic calculation of filter coefficients fir tools, try
hbtest
- 完成半带滤波器的信号产生,和滤波器系数输出。输出信号时域谱和频谱。-The completion of half-band filter the signal generator, and filter coefficient of the output. Time-domain output signal spectrum and spectrum.
FIR3
- 用窗函数法设计FIR滤波器的AtiveX控件,里面包含了基2的FFT,IFFT函数,窗函数可选,返回滤波器系数,并且画出所设计的滤波器的频谱图。-AtiveX control uing window function method to design FIR filter,in which there are also the FFT function.The ctrol returns the conficient of the filter and draws the spectrum of
GaussianClutterPowerSpectrumEstimation
- 本程序已被本人整理到WORD文档中,编程语言为MATLAB,程序中首先利用非递归法产生滤波器系数,生成相关高斯杂波,直接对杂波信号作FFT变换,结果取模平方后除以长度N,即可得到杂波的功率谱,设计参数皆在文档中表明。此程序已经验证是正确可执行的,并能生成图形,值得下载!- This program has been organized into WORD document I, the programming language MATLAB, the program produced the
Rfirfilte
- 实现有限冲击响应滤波器,很完善,很好用,功能很强。。只要输入语音或音频文件及滤波器系数,就可得到结果。 -Realization of finite impulse response filter is perfect, easy to use and highly functional. . Results can be obtained as long as the input speech or audio files and filter coefficients.
wide_cbf
- 宽带波束形成,设计FIR滤波器系数。带宽为500Hz--700Hz,采样率为3000Hz,对白噪声序列进行滤波,即得到有限带宽的宽带时域信号-Broadband beamforming design FIR filter coefficients. Bandwidth of 500Hz- 700Hz, sampling rate of 3000Hz, filtered white noise sequence, ie limited bandwidth broadband time domain
DSP
- 1)设计一个IIR低通滤波器,用它去处理一个30kHz的方波信号,得到1kHz干净的正弦波信号,设采样频率为30kHz 2)用直接二型实现结构、二阶级联实现结构和并联实现结构去进行滤波 3)在滤波的时候,假设输入、滤波器系数和滤波结果均被量化,保留小数点后两位-A) Design of a low-pass IIR filter, it is to deal with a 30kHz square wave signal to obtain a clean 1kHz sine wave
filter
- 产生输入FSK信号的程序 FIR滤波器设计程序 IIR滤波器设计程序 FIR滤波器实现程序(用滤波器系数对输入信号进行滤波) IIR滤波器实现程序(用滤波器系数对输入信号进行滤波)-FSK input signal generating program FIR filter design procedures IIR filter design procedures FIR filter (with the filter coefficient for filtering the
Untitled
- 尖峰滤波器系数生成,用来抑制Barker码旁瓣的非匹配滤波-compress Barker
filter
- 这是之前用到的几个简单的滤波器的程序,滤波器的设计比较简单。可以直接使用matlab里的FDA,导出滤波器系数即可。 再就是参考数字信号处理课本里面三种滤波器设计的方法,由过渡带和所选的窗函数推导出滤波器阶数,进一步根据firl和filter函数编写-This is a few simple filters used before the program, the filter design is relatively simple. You can directly use the FDA
general_poly
- matlab生成系数文件,供大家参考,希望对大家有帮助(Matlab generation coefficient file)
cl4
- 通过已知的滤波器系数,来画出小波函数的时域图(The time domain diagram of the wavelet function is drawn by the known coefficient of the filter)
SDR实验
- 信道化发射信号仿真实验,2. 设计滤波器 应用Parks-McClellan optimal FIR filter order estimation设计滤波器, 参数: 内插I=16 内插前采样率50Hz 滤波器通带截止频率16Hz, 阻带起始频率25Hz;通带和阻带期望的幅度分别为1和0,起伏为1dB和40dB; 利用Parks-McClellan方法得到的频率向量fo,幅度向量ao和权值w设计最终使用的滤波器系数(可以使用remez方法,得到指定阶数的滤波器系数)。 显然,滤波
dsp3
- 不同的系数量化精度对FIR滤波器性能的影响(The Influence of Quantization Accuracy of Different Coefficients on the Performance of FIR Filters)
Gammatone 滤波器的 Python 代码实现
- python代码分别实现了频域Gammtone滤波和时域Gammtone滤波器,频域滤波时参数USEFFT=1。其中MakeERBFilters函数产生了GT滤波器系数。输入为:采样频率、滤波器通道数、最小频率。输出为:n通道GT滤波器系数。(The python code implements frequency-domain Gammtone filtering and time-domain Gammtone filters, respectively, and the parameter
raisecos.m
- 升余弦滚降滤波器,滤波器,并有不同系数下对比图(Raised cosine roll off filter, filter, and comparison chart under different coefficients)