Jakes

基于OFDM/OQAM 的IOTA原型滤波器设计(IOTA prototype filter design based on OFDM/OQAM)

This is wireless sensor network simulation source

1. 关于无线信道的多普勒谱，请回答以下问题： (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请清楚的描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用S-function产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。 (Doppler spectrum of radio channel 1, please answer the following questions (1) In some wireless channel, radio channel Doppler shift will cause the output signal aliasing. Please clearly describe aliasing for various reasons )

用VPI搭建的相干QPSK调制解调全程序，是一个成功的光学实验调制程序。(Coherent QPSK simulation by using VPI transmission maker, a good experimental code.)

stenography a dip technique good one

说明：  对舰载 HFSWR（高频地波雷达）的阵列误差进行数学建模，通过 MATLAB 仿真来分析阵列误差对两种阵列信号处理算法的影响，并在此基础上以幅相误差为例研究了误差校正算法。(Construct the mathematical modeling of array error, and to analyze the influence of array error on the array signal processing algorithm. Based on this, the error calibration algorithm is studied by taking the amplitude and phase error as an example)

说明：  LFM线性调频波的matlab实现方法，并附上几种常用算法。(The Matlab implementation method of LFM chirp is accompanied by several commonly used algorithms.)

OFDMA next stage of LTE performance analysis

说明：  MIMO 信道容量的仿真 和单天线相比 多天线的信道容量仿真比较 绝对可以运行(MIMO channel capacity of the simulation and compared to single-antenna multi-antenna channel capacity can run a simulation comparing the absolute)

说明：  频率选择性信道下无编码OFDM系统的误码率曲线。(BER of OFDM signals in FS channel without coding)