disper

产生具有Jakes功率谱的rayleigh信道，可用于无线通信仿真(generate rayleigh channel with a Jakes power spectrum，this code could be uesed for wireless communication simulation)

说明：  根据GPS软件接收机的基本原理编写的，卫星捕获到跟踪到解算的完整程序(GPS)

说明：  matlab中电气化铁路牵引网上的AT所模型。(matlab electrified railway traction in the model AT Internet.)

电磁射线理论的经典教材，通信信道仿真必备(Classic textbook theory of electromagnetic radiation, an essential communication channel simulation)

Another source code to simulate LMS adaptation algorithm using Matlab.

modulation and deodulation curves for different modulation schemes

The file calculates and plots FM noise sidebands for a carrier. It also does sinusoidal modulation. This simple way of adding noise to a carrier is useful for simulation of PLLs. It turns out, though, that the mean of the randn function is not as close to zero as it could be, and this causes the fft to generate extra sideband energy, which makes it appear as if the noise is not what would be expected. This program gets around this by adding a fudge factor to the randn results to eliminate this problem. It took me ages to figure this out, I hope to reduce a similar effort for others

展示一个定积分的数值,图中阴影区域显示了当前的子区间与子区间积分,颜色切换到绿色得到准确性.(Demonstrate numerical evaluation of a definite integral. The shaded area shows the integral over the current subinterval. The color switches to green when the desired accuracy is obtained.)

ds cdma in communication

DMI WITH N EQUAL TO 4,8,20