QPSK_raised cosine

说明：  频分复用信号的生成以及演示，与英文工具书匹配，很好用！(FDM signal generation)

说明：  基于MATLAB的OFDM信道估计算法，使用了PN序列作为导频，两种导频处信道估计处理方法，中间特别加入了相位估计处理(MATLAB-based channel estimation algorithm for OFDM using PN sequence as a pilot and two pilot channel estimation Department treatment methods, particularly the middle to join the treatment phase estimation)

SIM com gsm gprs module tool

这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT， 上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模 块，并统括系统性能的仿真验证了系统设计的可靠性 (OFDM full version of the source code, including coding, modulation, IFFT, Upper and lower frequency, Gaussian channel model, FFT, PAPR suppression, a variety of synchronization, demodulation and decoding module, and system performance of the omnibus simulation verify the reliability of the system design)

GSM信道估计，c实现，包含详细的报告说明，很全。(GSM channel estimation, c achieve, contains a detailed description of the report, it is.)

基于matlab-GUI制作的数字通信信号的调制仿真，包括时域、功率谱显示，仿真的调制方式有：ASK、FSK、PSK、QPSK、OQPSK、1/4piQPSK、8PSK、MSK，比较直观易懂，可供需要的同胞参考(this process mainly simulate varity of digital signal modulation,such as ASK、FSK、PSK、QPSK、OQPSK、1/4piQPSK、8PSK、MSK)

该matlab程序比较相干波束成形，机会波束成形，基于球形量化的多用户波束成形的信道和容量性能(this matlab process compairs the interefer beamforming,oportunity beamforming and spherical quantitative beamforming performance)

说明：  对片内RAM进行读写操作，通过数据的写入和读出，对RAM的操作进行熟悉。(Read and write ram on chip, and get familiar with RAM operation through data writing and reading.)

OFDM modelisation on matlab

模拟圆形阵列天线方向图，画二维天线方向图；(Simulation circular array antenna direction map, drawing two-dimensional antenna direction pattern;)