中文说明：是小学期课程设计的题目，供做算法研究人员参考，鲁棒性好，性能优越，现代信号处理中谱估计在matlab中的使用，添加噪声处理，GSM中GMSK调制信号的产生。
English Description：
Is the title of primary phase of the course design, for reference algorithm researchers, good robustness, superior performance, modern signal processing in spectrum estimation in MATLAB and add noise to deal with, the GSM of GMSK modulation signal.