ofdm_psd_spectrum

这是 Okumura 和Hata模型的编码。(This is the coding of Okumura and Hata models.)

GSM reading book in the would

在AWGN信道的16QAM仿真程序，采用蒙特卡洛方法比较了16QAM理论和实际的误码率。(16QAM in AWGN channel simulation program using the Monte Carlo method is a theoretical and practical 16QAM BER.)

说明：  this is official usb2.0 protocol

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 )

程序给出了CAN总线接口的通讯的MATLAB仿真代码,希望能给大家提供帮助.(procedures given CAN Bus Interface communications MATLAB simulation code, hope you can help.)

在AWGN信号下，实现pi-4 QPSK调制解调(pi-4 QPSK modulation and demodulation)

语音处理 改变声速变速不变调 改变声调不变速(Speech Processing Variable Speed Modification)

是本科毕设的题目，实现六自由度运动学逆解算法，有详细的注释。( The title of the commercial is undergraduate course you Six degrees of freedom to achieve inverse kinematics algorithm, There are detailed notes.)

用不同颜色散点直观描述信号在星座图上概率分布，(Describe the distribution and probability of signals with different colors in the constellation diagram,)