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IIR滤波器设计
- 现有一个信号:x(n)=1+cos(π*n/4)+ cos(2*π*n/3)设计及各种数字滤波器以达下列目的: 低通滤波器,滤除cos(2*π*n/3) 的成分,即想保留的成分为1+cos(π*n/4) 高通滤波器,滤除1+cos(π*n/4) 的成分,即想保留的成分为cos(2*π*n/3) 带通滤波器,滤除1+cos(2*π*n/3) 的成分,即想保留的成分为cos(π*n/4) 带阻滤波器,滤除cos(π*n/4) 的成分,即想保留的成分为1+cos(2*π*n/3)
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滤波器的窗函数设计法
- 矩形窗,海明窗,低通,高通,带通都有,而且可以清楚的看到幅频响应等图。
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。
max262.rar
- 利用单片机控制max262芯片程控滤波器,实现频率步进可调,可以实现高低通滤波,带通滤波器。,Max262 chip to control the use of single-chip programmable filter, the realization of frequency step tunable, can achieve high and low pass filtering, band-pass filter.
remez.rar
- remez函数设计FIR低通滤波器 设计滤波器,使逼近低通滤波特性 。 要求通带波纹 ,阻带衰减 ,并用最小阶数实现。绘出设计的FIR数字滤波幅频特性曲线。 ,remez function design FIR filter low-pass filter designed to approximate the low-pass filter characteristics. Requirements of passband ripple, stopband attenuation, an
ECGyuchuli
- ECG心电信号预处理,高通滤波器,滤除呼吸基线漂移,带阻滤波器,滤除工频干扰,并两组滤波器的处理速度进行比较-ECG signal preprocessing, high-pass filter, filter respiratory baseline drift, band stop filter, filter frequency interference, and two filters to compare the processing speed
FIR_pinlv[1]
- 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
fir
- 用各种窗函数设计FIR数字滤波器。 分别用矩形窗和Hamming窗设计线性相位FIR低通滤波器。要求通带截止频率,单位脉冲响应h(n)的长度N=21,绘出h(n)及其幅频响应特性曲线。 -Window function with a variety of FIR digital filter design. Were rectangular window and Hamming window design of linear phase FIR low-pass filter. Req
dsp
- dsp实验教程,包括高通,低通,带通滤波器,以及一些延时程序代码,TMS320C54x指令表-dsp test tutorials, including high-pass, low pass, band pass filter, and some delay code, TMS320C54x Instruction List
iirh
- 利用IIR滤波器设计一个低通滤波器,能够分析到电力系统中的三次谐波,要求满足如下指标:截止频率150HZ,阻带衰减≥30db-IIR filter design using a low-pass filter, to analyze the power system in the third harmonic, the requirements to meet the following indicators: cut-off frequency 150HZ, stopband attenuat
shuzixinhao
- 数字信号课程设计,FIR的低通带通高通和IIR的低通带通高通滤波器的设计源程序以及主程序-Digital Signal curriculum design, FIR low-pass band-pass IIR high-pass and low-pass band-pass high-pass filter design, as well as the main program source code
code
- 随机产生长度大于1000的‘0’、‘1’信号序列,对其进行BPSK,QPSK,16QAM调制,给出: 1)低通滤波器后的波形(只画10个周期); 2)信号眼图,对其进行讨论(画出5个信号周期); 3)信号带内、带外功率谱密度(低通滤波器参数自定),并对其进行讨论。 -Generated OVSF code
FIR
- 已知一低通滤波器的采样率为2KHz,通带为500Hz,阻带为600 Hz,带内波动3dB,带外衰减-50dB,滤波器的相位具有线性特性,具体幅频特性见下图。要求用等波纹方法设计出该FIR滤波器,然后用TMS320C54x汇编语言编程,并在CCS下调试实现该FIR滤波器。-A low-pass filter known to the sampling rate of 2KHz, passband to 500Hz, stopband to 600 Hz, with fluctuations wit
Digital_Filter
- 数字滤波器,有多种滤波方式:高通滤波,低通滤波,带通滤波。高斯滤波器,切必雪夫滤波器-Digital Filter, high pass filter, low pass filter, band filter, Goss filter and so on.
filter
- 自适应数字滤波器 包括固定带通滤波 可变带通滤波 噪声删除等-Adaptive digital filter including the fixed band-pass filter variable band-pass filtering noise or delete
dsp_rar
- DSP开发工具Code Compile Studio(CCS)开发数字信号处理程序DSP——实现IIR滤波器,IIR高通、低通、带通。-With DSP tool Code Compile Studio(CCS),develop a program for DSP,which it can be a highpass,lowpass,bandpass.
IIRfilterdesign
- IIR滤波器设计 设计一个巴特沃思低通滤波器,其技术指标为:3dB带宽为,阻带截止频率为,阻带衰减大于30dB,采样间隔T=10us。-IIR filter design to design a Butterworth low-pass filter, its technical indicators: 3dB bandwidth, stopband cut-off frequency, stop-band attenuation greater than 30dB, sampling in
IIRfilter
- 设计低通IIR滤波器;并将此低通滤波器映射为高通、带通或带阻滤波器。并验证变换后的滤波器是否满足指标。并求输入x(n)=[cos(w1n)+cos(w2n)]u(n)经过系统后的输出y(n)-Low-pass IIR filter design and mapping this low-pass filter high pass, band pass or band stop filter. And verify whether the filter transformation to mee
有源滤波器软件及使用说明
- Filterlab 2.0 是一种创新的软件工具,可以简化有源滤波器设计。 Filterlab 2.0有源滤波器设计软件提供完整的滤波电路原理图以及推荐的元件值, 并显示频率响应。 Filterlab 2.0 允许设计最高至8 阶频率响应从0.1HZ 到1MHZ 的 切比雪夫,贝塞尔或巴特沃斯滤波器。FIlterlab 2.0 还可以用来设计 切比雪夫和巴特沃斯响应的代桶和高通滤波器。Filterlab 2.0 支持塞 林凯(Sallen Key)和多路反馈(MFB)的电路拓扑结构。