Carrier_Trace

雷达回波脉冲压缩常用代码，包括线性调频信号的时频特性，脉冲压缩，压缩后拓展等(Common codes for radar echo pulse compression, including time-frequency characteristics of LFM signal, pulse compression, expansion after compression, etc.)

Derive the theoretical 16QAM bit error rate (BER) with Gray coded constellation mapping in AWGN

说明：  用于对基于GOLD码的串行捕获算法，可以自定义信噪比，待捕获信号参数，代码分成搜索跟踪和捕获两部分，其中搜索的步长等参数也可以自定义，代码中acquiresignal.m部分为最终捕获相位展示的主程序。(For the serial acquisition algorithm based on GOLD code, we can customize the signal-to-noise ratio and the parameters of the signal to be captured. The code is divided into search part and capture part, The parameters such as search step can also be customized. Acquiresignal.m part is the main progress to output the results of the capture of phase.)

利用matlab软件对各种频率选择性信道进行仿真(Matlab software using a variety of frequency-selective channel simulation)

说明：  Turbo码编译码的matlab源代码，包括logMAP算法与SOVA算法。可设置信道SNR参数，帧长度，删余系数等。(Turbo Codes Encoding and Decoding of the matlab source code, including logMAP algorithm and SOVA algorithms. Parameters can be set to channel SNR, frame length, deleted I coefficient.)

说明：  卡尔曼滤波，对一个做匀加速直线运动的目标进行跟踪，跟踪效果较好(Kalman filtering, do a linear motion with constant acceleration target tracking, track better)

本试验是用数字基带处理方法来实现调试期算法的基带硬件实验。 通过用软件matlab进行了GMSK相位路径和眼图的仿真,之后对任何一种五位随机码，每周期八次的任一抽样时刻，和任一相位区域(0、1、2、3)的任一组合，计算出相位 ，并对 以及 进行1024位的量化、编码成10位二进制码表。进一步利用matlab从上述的码表得出GMSK基带波形的眼图，和理论上计算的眼图比较，一致性很好。(眼图主程序) (This test is a method to realize the digital baseband processor debugging phase algorithms with hardware-based experiments. By using the software matlab a GMSK phase path and the eye diagram of the simulation, after any one of five random code, eight times per cycle of any one sampling time, and any one-phase region (0,1,2,3) of any combination of one to calculate the phase, and 1024 as well as quantitative, encoded into a binary code table 10. Further use of matlab code from the above tables GMSK baseband waveform eye diagram and eye diagram theoretically compared to a good consistency. (Eye diagram of main program))

说明：  重排二次型时频分布应用例程，对信号进行频率归一化处理，时频分布和重排(Rearrangement of quadratic time-frequency distribution of the application of routine, the signal frequency normalized, time-frequency distribution and rearrangement)

说明：  QPSK通信调治与解调DSP开发C++代码，可以在TI DSP上实现(QPSK modulation and demodulation communications DSP development of C code can achieve TI DSP)

南航张小飞的书《阵列信号处理的理论和应用》，包括原书的PDF和MATLAB代码，内容为波束形成和阵列参数估计等内容。(Southern China Zhang Xiaofei book "array signal processing theory and application", including the original book PDF and MATLAB code, content for beamforming and array parameter estimation and so on.)