PrelimReport

How to use Mathematica Package for numerical computation

说明：   2003年，ITU-R制订完成了下一代移动通信系统的纲领性文件M.1645，其中明确要求，下一代移动通信系统支持低速用户100Mb/s，高速用户1Gb/s的传输速率。由于频谱资源紧张，如何在占用有限的频带资源的条件下，实现大范围网络覆盖，支持更高速率的无线数据(bu cuo deyuan ma hen hao hao de xue xi azi x)

Matlab toolbox where many filter are realised

matlab仿真建模解决实际中的垃圾运输问题，并得到最优方案(matlab simulation modeling to solve practical problems in the transportation of garbage and get the best programs)

QPSK波形及其经过带宽为4hz的带通滤波器(QPSK waveform and its after 4HZ bandwidth of the bandpass filter)

建立复杂网络中四个基本网络模型，以及求各种基本属性(struct models for the four basic complex networks and tell us how to resolve the basic proprties)

apply a lowpass filter to a watermarked audio signal to test the robustness input : vector representing the watermarked audio file output : vector representing the watermarked audio file corrupted by a lowpass filter

宽带雷达的检测模型,包括扩展目标模型、线性调频信号和脉冲压缩(Wideband radar detection model,including the distance extended target, the Linear Frequency Modulation signal and pulse compression)

摘要:为提高密码的抗攻击性,利用超混沌系统随机性好!可确定再生,且密钥空间较大的特性,提出了一种基于四维连续超混沌系统和扩展映射的实时视频流加密算法"(Abstract: In order to improve the password anti-aggressive use of system randomness hyperchaos good! Regeneration can be identified, and key characteristics of the larger space, a row based on four-dimensional hyperchaotic system and expansion of mapping real-time video stream encryption algorithm )

图像域上的DFS遍历，函数返回连通域数量，范围端点以及最大值(DFS traversal on the image domain, the function returns the number of connected domains, the scope of the endpoint as well as the maximum value)