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hh
- 此文件是一个Butterworth IIR滤波器的VHDL程序，此滤波器是10阶的，通带频率在2.5MHz——7.5MHz，采样频率为200MHz。此滤波性能不是很好，仅供参考。-This file is the VHDL program in a Butterworth IIR filter, this filter is 10 bands, the frequency of the passband of 2.5MHz- 7.5MHz sampling frequency is 200MHz
8filterbank8-
- 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 achieve filter sampling frequency Fs: 20000Hz design of the low-pass prototype passband frequency of 625Hz stopban
iir
- 用双线性变换法设计满足下列技术指标的巴特沃斯低通滤波器：通带截止频率wp为0.2 ,阻带截止频率ws为0.3 ，通带波动Rp为1dB，阻带波动为15dB。-Butterworth low-pass filter bilinear transform design to meet the following technical specifications: passband cutoff frequency wp 0.2 stopband cutoff frequency ws 0.3, pas
fir
- 用窗函数法设计一个线性相位FIR数字低通滤波器，用理想低通滤波器作为逼近滤波器，通带截止频率为0.2 ，阻带截止频率为0.4 ，阻带衰减不小于-40dB。-Window function method to design a linear phase FIR digital low-pass filter, as an ideal low-pass filter for approximation filter passband cutoff frequency of 0.2 stopband
tuxianglvbo
- matlab实现对图像的高通滤波，通带滤波-matlab to achieve the image of the high-pass filter, the passband filter
chebyshevfilter
- //Chebyshev filters are analog or digital filters having a steeper roll-off and more passband ripple (type I) or stopband ripple (type II) than Butterworth filters. //Type 1 and type 2 chebyshev filter outputs are included
dsp
- 设计了一个低通巴特沃斯滤波器，在其通带边缘 1kHz处的增益为3dB，3kHz处的阻带衰减为 30dB，采样频率 10kHz。 -A low-pass Butterworth filter 3dB gain of of its passband edge 1kHz at 3kHz at the stop-band attenuation 30dB, the sampling frequency is 10kHz.
CQMFB
- 设计一CQMFB，低通滤波器H0 (z)来自一半带滤波器。该半带滤波器的长度为47，通带截至频率ωp = 0.42 π，试给出H0 (z)，H1(z)，G0(z)， G1(z)的幅频响应，单位抽样响应并画图。-The design a CQMFB, the low-pass filter H0 (z) from the half band filter. The length of the half-band filter 47, the passband cutoff frequency ωp
matlab
- 在采样点之间的频率响应是由各采样点的加权内插函数叠加而形成的，因而有一定的逼近误差。该误差大小取决于理想频率响应的形状，理想频响特性变化越平缓，内插值越接近理想值，逼近误差越小；反之，如果采样点之间的理想频响特性变化越陡，则内插值与理想值之间的误差越大，因而在理想滤波器不连续点的两边，就会产生尖峰，而在通带和阻带就会产生波纹。用频率采样法设计的实际滤波器频率响应如图1所示。由图1可知，实际滤波器的阻带衰减取决于内插函数第一旁瓣幅度值的大小，其大小决定了所设计的滤波器的阻带性能。-Interpol
FIR_pinlv
- FIR滤波器， 设计一个线性相位有限冲激响应低通滤波器，使其满足如下指标：通带边界为2kHz，阻带边界为2.5kHz，通带波纹 =0.005，阻带波纹 =0.005，抽样率为10kHz。采用多尔夫-切比雪夫窗进行设计，进行频谱分析。-FIR filter, design a linear phase FIR low-pass filter to meet the following indicators: passband border to 2kHz, stopband border to 2
ofdm_passband
- OFDM passband 仿真程序，采用维特比编码和卷积编码 注释详细-OFDM passband simulation program using the Viterbi coding and convolution coding annotated in detail
design
- 低通Chebyshev 1型滤波器，通带边界频率为1500Hz，通带波纹小于3dB，阻带边界频率2000Hz，阻带衰减为40dB，采样频率为8000Hz-Low-pass Chebyshev 1 filter passband edge frequency of 1500Hz, less than 3dB passband ripple, stopband edge frequency 2000Hz, stop-band attenuation of 40 dB, the sampling fr
windowfunc
- 利用窗函数设计低通滤波器，使其通带为1MHZ，阻带为小于40dB。-Using window function to design the low-pass filter, its passband is 1MHZ and stopband is less than 40dB.
luboqi
- 设计一个8阶以内的带通滤波器，通带截止频率fc1=30070HZ，fc2=32170HZ，通带内允许最大衰减0.2dB。设计满足要求的Butterworth滤波器和chebyshev滤波器。以RC运放为基本单元以最易实现的原则完成电路设计及参数选择，并根据设计参数进行幅频特性和相频特性的仿真，给出仿真曲线。分析电路的无源灵敏度。-Design within an 8-order band-pass filter, the passband cutoff frequencies FC1 = 300
gaotonglvboqi
- 采用双线性变换法设计一巴特沃斯高通滤波器，其通带截止频率（-3dB点处） =3KHz，阻带上限截止频率 =2KHz，能带衰减不大于3dB,阻带衰减不小于14dB，采样频率 =10KHz。-Bilinear transform design a Butterworth high-pass filter, the passband cut-off frequency (-3dB point) = 3KHz stopband upper cut-off frequency = 2KHz band a
butt
- 根据规定指标设计模拟巴特沃兹低通滤波器函数，wp为归一化通带边缘频率，ws为归一化阻带边缘频率-In accordance with the specified index design analog Butterworth low-pass filter function, wp is the normalized passband edge frequency, ws is the normalized stopband edge frequency
passband-modulation
- 利用BPSK, DBPSK, QPSK, OQPSK, 16QAM, PAM， 信号进行基带，通带调制解调，分析频域，时域波形，误码率等-Using BPSK, DBPSK, QPSK, OQPSK, 16QAM, PAM for modulation and demodulation. Analyzing the spectrum, wave forms, and bit error rate
ac
- 利用 MATLAB 实现窗函数法设计 FIR 滤波器，主要是选择合适的窗函 数进行截断运算 -Window function method using MATLAB to design FIR filter, main is to choose the appropriate letter for window blocking operations.First theoretically to approximate the unit i
10287
- 在C++环境下的 数字滤波器 Filter 有固定带通滤波器 可变带通滤波器 噪声删除 等-Filter fixed band-pass filter in the digital filter under C++ Setting variable-passband filter noise delete
butterworthFilter
- 巴特沃斯滤波器程序，很容易可以改成高通滤波，低通滤波。通带也可以改动-Butterworth filter program, you can easily change the high pass filter, low-pass filtering. You can also change the passband