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FIRvhdl
- 用vhdl实现一个fir滤波器 设计要求： 1．最小阻带衰减-30db。 2．带内波动小于1db． 3．用MATLIB与MAXPLUS2联合设计与仿真-use VHDL to achieve a fir filter design requirements : 1. The smallest stop band attenuation - 30dB. 2. With fluctuating within less than 1DB. 3. With MATLIB with MAX
FIR低通滤波器部分模块
- 一个FIR低通滤波器,最小阻带衰减-30db,带内波动小于1db．用MAXPLUS2设计与仿真。-This is a FIR LPF, with -30dB in stop-band and sigma is less than 1dB. It is designed and simulated on MAXPLUS2.
FIR
- Quartus II中滤波器的设计，里面含有高通滤波器，低通滤波器，带阻滤波器，主要用于滤除心电信号中的干扰-Quartus II filter design, which contains a high-pass filter, low-pass filter, band stop filter, mainly used for filtering of ECG signal interference
firfilter
- FIR滤波器：自定滤波器的类型（低通，高通或带通）、设计指标（通带截止频率、通带波纹、阻带截止频率、阻带衰减） 1、根据指标选择合适的窗函数，用窗口设计法设计符合指标的FIR滤波器；并验证其性能是否满足预定指标。 -FIR filters: Custom filter types (low pass, high pass or band-pass), design specifications (passband cutoff frequency, passband ripple, st
xb
- 用汉宁窗设计一个FIR高通数字滤波器，满足以下参数要求：通带边界频率ωp=0.7π，通带内衰减函数αp=0.4dB；阻带边界频率Ωs=0.4π，阻带内衰减函数为αs=55dB。-With the Hanning window design an FIR high-pass digital filter to meet the requirements the following parameters: passband edge frequency ωp = 0.7π, pass-band at
IIR_7
- IIR带阻网络滤波器，通过Matlab生成，可用于10-20Khz带阻网络滤波-IIR band-stop filter network, generated by Matlab, can be used for 10-20Khz band-stop filter network
comp_sheji1
- CIC补偿滤波器的VHDL代码。通常单级的CIC阻带衰减不够，级联后阻带衰减满足要求，但是通带衰减又太大，补偿滤波器就是为了满足带内衰减要求而设计的。-THE code of CIC compensation filter.
dc_rmv
- 这是一个用verilog写的DC滤波器，即melp算法中预处理部分，主要滤除50hz工频干扰，采用一个4阶的切比雪夫高通滤波器，截去频率位60hz以下的信号，其阻带的衰减位30db。-This is a verilog to write a DC filter the preprocessing part that melp algorithm, main filter 50hz frequency interference, the use of a fourth-order Chebyshe
AD_IIR_DA
- 该工程是信号经过ADS8326采集后，经过一个10阶带通IIR滤波器后，再经过10阶的带阻IIR滤波器，最后经过tlv5638输出。也可以选择信号经过AD采集后，直接送到DA输出。-The project is the signal after the ADS8326 collection, after a 10-order bandpass IIR filter, and then after 10 order bandstop IIR filter, and finally through