搜索资源列表
DSSS.rar
- 一个四用户的扩频通信系统,扩频增益为N=16,采用Walsh码进行直接序列扩频,BPSK调制,无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道:不考虑通信信道信号时,由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩,解调,判决,通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
DS
- 实现直扩系统的simulink仿真,采用BPSK调制,可以直观理解直接序列扩频通信系统的工作原理(The realization of direct sequence spread spectrum communication system can be understood intuitively by the realization of Simulink simulation of DSSS and BPSK modulation.)
信号循环谱
- DSSS/BPSK循环谱检测程序以及对码元速率的估计(DSSS/BPSK cyclic spectrum detection program and estimation of symbol rate)
二次谱法
- 对DSSS/BPSK信号进行二次功率谱估计,可以估计出载频信息(The two power spectrum estimation of DSSS/BPSK signal can estimate carrier frequency information.)
平方倍频法
- 对DSSS/BPSK信号进行平方倍频法,可以对其载频进行估计(The frequency doubling method of DSSS/BPSK signal can be used to estimate its carrier frequency.)
时域自相关法
- 对DSSS/BPSK信号进行自相关处理,可以对其伪码周期进行估计(Autocorrelation of DSSS/BPSK signals can be used to estimate the PN code period.)
延时相乘法
- 对DSSS/BPSK信号进行延迟相乘,可以估计其伪码速率并检测(The DSSS/BPSK signal can be multiplied by delay, and its pseudo code rate can be estimated and detected.)