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UWB--BPSK
- This m file models an UWB system using BPSK. The receiver is a correlation receiver with a LPF integrator and comparators for threshhold selection.
LPF
- 关于巴特沃斯滤波器设计，包括原理和具体分析计算过程-On Butterworth filter design, including theory and concrete analysis of the calculation process
aliasingfilter
- 1）设计Butterworth型音频抗混叠滤波器； 2）参数： 下通带频率300Hz；上通带频率3400Hz； 下阻带频率280Hz；上阻带频率3600Hz； 通带最大衰减0.3dB； 阻带最小衰减40dB； 3）采用一低通滤波器和一高通滤波器级联； 4）分别确定LPF和HPF的性能指标； 5）求出两滤波器的系统函数和频率响应，并画出其幅频特性曲线； 6）求整个滤波器的系统函数和频率响应，并画出其幅频特性曲线。-1) the design of Butterw
code
- 用Matlab仿真BPSK系统的发送端，含有调制、插值、成型滤波、载波调制等模块-Matlab Simulation of BPSK system, including modulation, upsample, LPF and up-conversion
900MHz-Butterworth-low-pass-filter
- 900MHz巴特沃斯低通滤波器的设计，AD数据采集前端处理-The Design of 900M Hz Butterworth LPF
filter
- Demodulation BPSK with LPF
UWBBPSK
- 这个文档采用BPSK超宽带系统。接收器是一个相关接收机具有集成低通滤波器和比较器的门限的选择-This m file models an UWB system using BPSK. The receiver is a correlation receiver with a LPF integrator and comparators for threshhold selection
DTFT-LPF-SIFGOLD-SIGSHIFT-SIGADD-SIGFOLD
- SIGFOLD/ DTFT / SIGMUL / SIGFOLD / LPF/ SIGA-SIGFOLD/ DTFT / SIGMUL / SIGFOLD / LPF/ SIGADD
frft
- 区别去传统的傅里叶变换，对于非平稳信号而言，分数傅里叶变换是一个较好的方法，本程序实现了分数傅里叶变化对LPF类信号的估计。具有较高的学习价值(Different from the traditional Fourier transform, for non-stationary signals, fractional Fourier transform is a better method, this program implements the fractional Fourier tran