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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)
matlab
- 滤波器的设计，信号的抽样，频率变换，信号的幅频，信号的相频等-Filter design, signal sampling, frequency conversion, the signal amplitude and frequency, phase frequency signals, such as
GaborFilter
- 非常直观的Gabor小波滤波程序，有不同波长滤波效果比较；同时能反应相频幅频的变化结果-A very impressive Gabor Wavelet Filter program. It contains comparison of different filter results. Moreover, it could reflect changes of phase and amplitude.
lvboqisheji
- 设计一个IIR数字低通滤波器， 逼近一组模拟滤波器的指标参数（通带截止频率Wp=2*pi*2000rad/s,阻带边界频率Ws=2*pi*3000rad/s,通带波纹 Rp=3db, 阻带衰减Rs=15db, 采样频率f=10000Hz）； 分别用脉冲响应不变法和双线性变换法实现设计，列出传递函数并描绘模拟和数字滤波器的幅频和相频响应曲线。用上述设计滤波器完成几组给定信号的滤波，证明滤波器的有效性和滤波范围限制.-Design a IIR digital low-pass filter, app
FIR
- FIR滤波器中汉宁窗和布莱克曼窗幅频特性曲线和相频特性曲线对比-FIR filter Hanning window and Blackman window of amplitude-frequency curve and phase frequency response curve compared
IIR
- 模拟巴特沃斯滤波器，并可观察期幅频相频特性曲线-Analog Butterworth filter, and can observe the phase frequency of amplitude-frequency characteristic curve
matlab
- 此程序用于振动性能分析，求震动信号的相频、相频特性。-This program performance for the vibration analysis, find the frequency of vibration signal phase, phase-frequency characteristics.
fir
- FIR(Finite Impulse Response)滤波器：有限长单位冲激响应滤波器，是数字信号处理系统中最基本的元件，它可以在保证任意幅频特性的同时具有严格的线性相频特性，同时其单位抽样响应是有限长的，因而滤波器是稳定的系统。因此，FIR滤波器在通信、图像处理、模式识别等领域都有着广泛的应用。-FIR (Finite Impulse Response) filters: finite impulse response filter unit, digital signal processi
matlab
- 求一个系统的幅频响应相频响应单位冲击响应以及其它-Find the frequency response of a system unit impulse response of the phase-frequency response and other
3
- 产生线性调频信号，Matlab仿真实现雷达线性调频信号，并表现出线性调频信号的时域图和幅频、相频图-LFM signal generation, Matlab simulation of radar chirp signal, and the performance of a linear FM signal in time domain and amplitude frequency diagram, phase-frequency diagram
pinlvxiangying
- 对一个产生的离散序列作傅立叶变换，分析其频率响应特性（给出幅频与相频特性曲线）-A discrete sequence generated for the Fourier transform to analyze the frequency response characteristics (frequency and amplitude given phase frequency response curve)
Filter-Matlab-GUI
- 用Matlab的GUI界面设计滤波器人机界面，可选FIR、IIR等高通，低通，带通，带阻滤波器，手动设定好参数，可直观看到幅频特性曲线和相频特性曲线。-Using Matlab GUI interface design a filter interface, optional FIR, IIR high pass, low pass, band pass, band stop filter, the parameters are set manually, you can visually se
MATLAB-FILTER
- 几个有关通信系统的matlab程序，包含几个滤波器示例，如butter，cheby等，并有幅频特性，相频特性结果显示.-Some programs about communiction system,including some filters like butter cheby,amplitude-frequency characteristiand cphase-frequency characteristic added.
基于MATLAB的MSK调制解调实现
- 利用MATLAB集成环境下的M文件，编写程序来实现MSK的调制解调，并绘制出解调前后的时域和频域波形及叠加噪声时解调前后的时频波形，根据运行结果和波形来分析该解调过程的正确性及信道对信号传输的影响。通过这次课程设计进一步加深了我对最小二进制相移键控（MSK）调制解调性能的理解与掌握，同时将课堂上学到的理论知识用于实践。增强了我在模拟仿真方面的能力，为以后系统开发和通信系统仿真打下了良好的基础。(The use of MATLAB in the integrated environment of
任务四 Gardner位同步算法与锁相环联合仿真
- Gardner位同步算法与锁相环的联合仿真程序.加入了时偏和频偏，能很好地锁定时偏和频偏，得到最佳采样输出。(Gardner bit synchronization algorithm and phase-locked loop joint simulation program, adding time offset and frequency offset, can well lock the bias and frequency offset, get the best sampling o
motaifenxi
- 用matlab求解求频响函数的实频、虚频、幅频、相频及Nyqiust图(Frequency response function of matlab to solve o real or imaginary frequency, amplitude frequency and phase frequency and Nyqiust figure)
Matlab lamb
- MATLAB频散曲线绘制，相速度，群速度(MATLAB dispersion curve drawing, phase velocity, group velocity)
fp
- 由MATLAB计算幅频特征曲线、相频特征曲线(Calculation of amplitude frequency characteristic curve and phase frequency characteristic curve by MATLAB)
lamb波频散曲线
- Lamb波的频散曲线是进行超声Lamb波无损检测的重要依据。本程序对Rayleigh2Lamb方程进行了分析，给出了无限大板中Lamb波频散曲线的数值计算方法，通过Matlab软件对求解过程进行编程，绘制出Lamb波在铝板中传播的相速度和群速度曲线，并通过试验进行了验证对推广应用Lamb波进行无损检测具有实际意义。(The dispersion curve of Lamb wave is an important basis for non-destructive testing of ultr
Lamb波频散曲线
- Lame波的频散曲线，包括相速度和群速度。(The dispersion curve of Lame wave includes phase velocity and group velocity.)