HEED-Protocol-applied-in-Matlab

kuanjiange_seq.m 基于对偶频带法和m序列，产生一个宽间隔跳频序列。 kuanjiange_seqencezu.m 基于对偶频带法和m序列，产生一个宽间隔跳频序列族。 注：其中的m序列是利用三个非相邻级控制频率合成器构造 L_G模型。(kuanjiange_seq.m based on dual band m sequence, have a wide interval frequency hopping sequence. Kuanjiange_seqencezu.m based on dual band and m sequence, have a wide interval frequency hopping sequences. Note : The use of m-sequences are non-adjacent three-level control frequency synthesizer L_G tectonic model.)

设计一个离散hopfield网络，实现联想记忆，以对模糊数字进行识别，判断。(design of a discrete hopfield network, associative memory, a pair of fuzzy figures for the recognition, judgment.)

有个ldpc码的介绍，很全面，很好，适合于初学者(A introduction abuat LDPC codes , very comprehensive, very good, and suitable for beginners)

INS和GPS基于位置速度的松组合程序，已经验证了，滤波收敛，程序中说明了如何选取滤波参数(INS/GPS integrated navigation ，Kalman filter，loosely integrated based on position and velocity)

详细讲述了∏/4-DQPSK调制和解调原理,并提供了matlab实现的代码(Detail the Π/4-DQPSK modulation and demodulation, and provides a matlab implementation of the code)

说明：  现代通信系统(matlab版本)第二版，第八个例题的程序。(Modern communication systems (matlab version) second edition, the eighth Example program.)

通过一个简单的例子来讲解遗传算法，适合初学者学习领悟遗传算法的真谛。(Through a simple example to explain the genetic algorithm, genetic algorithm is suitable for beginners to learn comprehend the true meaning.)

数字信号处理基于MATLAB的维纳滤波器实现(Wiener filter to realize digital signal processing based on MATLAB)

Spectrogram - Audio Processing

this is multi level inverer,9