8-words-circling-the-car

说明：  信道编码用于计算信道的容量，计算起来比较简单迅速。(Channel coding is used to calculate the channel capacity, calculate simple fast.)

PDF文档 动态心电图QRS检测与统计分析的研究与实现(PDF document, ECG QRS detection and dynamic Research and Implementation of Statistical Analysis)

本代码是关于OFDM通信系统的仿真源程序，其中信道编码，QPSK调制，QPSK解调，FFT，IFFT，viterbi编译码，误比特统计，滤波等模块。(The code is on the OFDM communication system simulation source, which channel coding, QPSK modulation, QPSK demodulation, FFT, IFFT, viterbi decoding, bit error statistics, the filtering module.)

RAIM即接收机自主完好性，在航天领域有着重要的作用，本文章主要对其基本算法进行描述，读者可根据其来进行matlab编程实现。(That RAIM Receiver Autonomous Integrity, plays an important role in the aerospace industry, this paper mainly described its basic algorithm, the reader can be realized in accordance with its program for matlab.)

自己写的读取视频，提取关键帧和帧差源程序(Read write their own video, extract the source key frame and frame difference)

Estimation of optical flow between frames in a video sequence

stlfmcw雷达对目标的测速和测距，通过上下差频得到差拍信号，在进行快速fft得到目标的一维距离和速度(st fmcw radar target speed and distance measurement, frequency beat signal obtained by the difference between up and down, making quick fft obtained one-dimensional target distance and speed)

锐化处理技术来加强图像的目标边界和图像细节，对图像进行梯度算子、拉普拉斯算子、Sobel算子设计，使图像的某些特征（如边缘、轮廓等）得以进一步的增强及突出(Sharpen the image processing techniques to enhance the objectives of the border and image detail, image gradient operator, Laplacian, Sobel operator design, some features of the image (such as edge, contour, etc.) can be further enhanced and prominent)

已知一个二自由度机器臂的关节长度，给出一个圆形轨迹，让机器臂随轨迹移动。前提是轨迹在机器臂的工作空间内。(Known length of a two degree of freedom robotic arm joints to give a circular path, so that the robotic arm to move with the trajectory. The premise is the trajectory in the workspace of the robotic arm.)

频率步进信号在雷达成像等需要大带宽的场景十分有用，该文件为国外经典文献，值得参考(Stepped frequency radar imaging signal in scenes that require large bandwidth is useful, the document for foreign classic literature, it is also useful)