uplink grant free NOMA in 5G

kd树类的实现。内部提供了三种搜索方法。-kd tree class implementation。

设备控制软件使用halcon进行画图，形成轨迹图方案，轴按照轨迹图方案进行喷胶(The equipment control software uses Halcon to draw and form the trajectory plan. The axle sprays glue according to the trajectory plan.)

j2me手机游戏代码 有素材图片和源代码-j2me mobile game code has material pictures and source code

PSO用来进行模型参数辨识，辨识精度良好，有一定的指导作用(PSO is used to model parameter identification, and the identification accuracy is good)

一个对收银时收款单进行管理的程序，通过该程序打印出一个收款回执与发货单一起控制商品出库-cashier at the one pair of single receivables management process, the adoption of the program prints out a receipt receivable invoice together with the control of goods out of stores

Implement the base class of the control panel

经典的俄罗斯方块游戏，界面简洁，不用图片，完全自画，快捷键操作，简单-classic game of the Russian box, the interface is simple and no photographs, completely self-portraits, the keyboard operation, a simple

说明：  针对2019华为杯数学建模比赛，求解问题一的轨迹搜寻问题。(Aiming at the 2019 Huawei cup mathematical modeling competition, the track searching problem of problem one is solved.)

OFDM系统的信道估计算法，导频设计~~~~~~~~~~~(OFDM System Channel Estimation Algorithm, Pilot Design)

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