drop_double_standardmodel

//以上的代码加载了两个PCD文件得到共享指针， //后续配准是完成对源点云到目标点云的参考坐标系的变换矩阵的估计， //得到第二组点云变换到第一组点云坐标系下的变换矩阵 // 将输入的扫描点云数据过滤到原始尺寸的10%以提高匹配的速度， //只对源点云进行滤波，减少其数据量，而目标点云不需要滤波处理 //因为在NDT算法中在目标点云 对应的 体素网格数据结构的 统计计算不使用单个点， //而是使用包含在每个体素单元格中的点的统计数据(The following links describe a set of basic PCL tutorials. Please note that their source codes may already be provided as part of the PCL regular releases, so check there before you start copy & pasting the code. The list of tutorials below is automatically generated from reST files located in our git repository.)

鲁棒控制器设计程序，一个实际的鲁棒控制器设计实例。供初学者分享-Robust controller design procedure, a practical robust controller design example. For beginners to share

说明：  检查优盘的运行程序，插入优盘，解压后打开即可用。(Check the running program of the USB flash disk, and open it after decompression.)

说明：  无源时间反转镜在水声通信中的应用资料，写的很好！(Application of passive time reversal mirror in underwater acoustic communication)

说明：  学生成绩管理 可以对输入各科成绩分数(Student performance management can enter various accomplishments Score)

HI3518E是专为工业专用智能高清IP摄像机设计的新一代SoC。它引入了新一代 ISP，最新的H.265视频压缩编码器和高性能NNIE引擎，使HI3518E成为业界的领头羊。 在低比特率，高图像质量，智能处理和分析，低功耗。与集成 HI3518E采用PoR、RTC、音频编解码器和待机唤醒电路，大大降低了客户的电子书成本。HI3518E还提供与Hisilicon DVR和NVR SOC类似的接口设计，促进快速批量生产。(Hi3518e is a new-generation SoC designed for the industry-dedicated smart HD IP camera. It introduces a new-generation ISP, the latest H.265 video compression encoder, and a high-performance NNIE engine, enabling Hi3518e to lead the industry in terms of low bit rate, high image quality, intelligent processing and analysis, and low power consumption. Integrated with the POR, RTC, audio codec, and standby wakeup circuit, Hi3518e can greatly reduce the EBOM costs for customers. Hi3518e also provides similar interface designs to the HiSilicon DVR and NVR SoCs, facilitating rapid mass production.)

用于宽带雷克子波中函数的p,q值的变换程序，俞氏子波p,q变换子波主频以及带宽变化(For the transformation program of p and q values of functions in broadband rec wavelet, yu shi wavelet p,q transform wavelet main frequency and bandwidth change)

机器人避让障碍物的一个测试程序，主要关注的是算法本身，测试的时候只要点击设定里面的设置障碍物然后寻道即可。(Robot avoid obstacles a test procedure, the main concern is the algorithm itself, the test set when clicking inside the obstacle and then seek to set up.)

RISC处理器设计简介 -RISC processor design brief profiles of RISC processor design

,线程的封装源代码，以及线程组的封装。并采用消息控制线程的方法。 -, The thread package source code, as well as the thread group of packages. And using the message thread of control methods.