cr171

一套简单的购物车程序，由外国人编制，功能及实现方式都不错。-a simple Cart procedures by foreigners establishment, functions and the ways are good.

说明：  建立了基于模型预测控制的配电网多时间尺度无功优化模型，包含日前优化调节层和实时滚动调控层。日前优化侧重于运行经济性，协调配合不同类型无功设备进行大尺度无功调节，并预留充足动态无功储备响应动态调控，降低运行风险；实时滚动调控侧重于系统运行可靠性。(A multi-time scale reactive power optimization model for distribution network based on model predictive control is established, including the optimization adjustment layer and the real-time rolling control layer. A few days ago, optimization focused on operational economy, coordinated with different types of reactive devices for large-scale reactive power regulation, and reserved sufficient dynamic reactive power reserve response dynamic control to reduce operational risks; real-time rolling control focused on system operational reliability.)

说明：  用于编译或修改wofost软件，代码完整(For compiling or modifying WOFOST software)

说明：  用于组态王驱动的例子，用vs2003编程(An example for Kingview driver, programmed with VS2003)

说明：  波束宽与小区覆盖大小的关系，以及半功率带宽与滚降系数的关系(Beam width and the size of cell coverage, as well as the half-power bandwidth and roll-off coefficient of the relationship between the)

C#主控明细数据库显示操作实例，测试数据库为Access，此方面有需求的可下载本实例代码。

带回热的布雷顿循环 性能分析 MATLAB(Brayton cycle with regeneration)

说明：  本案列利用商业有限元软件comsol对光子晶体的能带结构分布进行了计算(the calculation of photonic crystals band)

双进程实现，启动 互相探视，互相启动 如果其中一个被关闭 那么另一个 又开启-Realize dual-process, start to visit each other, each other to start if one was shut down then opened another

说明：  通过MATLAB编程，实现对菲涅尔波带片的绘制，改变焦距F可以绘制不同焦距的波带片。(Drawing Fresnel zone plate by MATLAB)