qpsk-RRC

PSK Uniform Fading using SNR and BER

数字通信原理是一门学习通信原理的重要的基础课程，该ppt讲述了通信原理的基础知识，适合初学者(Principles of digital communication is an important principle of learning communication basic course, the ppt about the basic knowledge of communication principles, suitable for beginners)

针对通信侦查课题，通过已知先验知识和截获信号，进行找出同步序列，匹配滤波，校正频偏和相偏，均衡，解交织，译码，恢复出原序列，最终得到的序列与原序列作对比得到误码率为0(Investigation subject for the communication, by known a priori knowledge and intercepted signal conducted to identify the synchronization sequence, the matched filter, correcting frequency offset, and phase deviations, balanced, deinterleaving, decoding, to recover the original sequence, the resulting sequence with the original sequence compared error rate is 0)

运用matlab仿真实现多相滤波结构，带有中文注释，简单易懂。可以运行直接观察波形(Using MATLAB simulation to achieve polyphase filter structure, with Chinese annotation, easy to understand. Direct observation waveforms can be run)

二维快速离散变换,可快速实现二维快速离散变换，不可多得的程序。(Two-dimensional fast discrete transform, can quickly realize two-dimensional fast discrete transform, a rare procedure.)

说明：  主要研究无线通信系统中，调制信号的载波同步问题，利用锁相环技术实现同步的matlab仿真(This paper mainly studies the carrier synchronization of modulated signal in wireless communication system, and realizes the MATLAB simulation of synchronization by using phase-locked loop technology.)

说明：  C语言函数库大全电子书,内容丰富,全面,极具参考价值,,(C language function library e-book, rich in content, comprehensive, very valuable,)

说明：  SCMA系统中的PM-MPA检测，信道采用瑞利信道，迭代次数为6(For PM-MPA detection in SCMA system, Rayleigh channel is adopted and the number of iterations is 6)

通信系统的SystemView仿真，详细的说明了用SystemView这个软件做系统设计的步骤。(SystemView communication system simulation, a detailed description of the use of the software to do SystemView system design steps.)

说明：  HC6800EM3 v20原理图（电路图）(HC6800EM3 V20 schematic diagram (circuit diagram))