爬取腾讯疫情实时数据

fuzzy cmeans clustring

vc环境下对pro/engineer 进行二次开发的小例子。示例演示了对话框的开发方法。-vc environment on the pro/engineer to carry out the secondary development of small examples. Examples demonstrate the development of methods of dialog.

说明：  本例将用ANSYS Workbench的Rigid Dynamics刚体动力学分析方法，分析齿轮转动过程中的力等随时间的变化情况。(Dynamic analysis of gear transmission rigid body)

Flash发光按钮源码，鼠标放在按钮上的时候，会发出炫耀，氏量的发光按钮，不会失真的Flash荧光按钮特效，附有源文件。

在openwrt下进行LUA开发的内部培训介绍文档(how to develop with Lua under openwrt environment)

二维声子晶体平面波展开法计算能带结构，xy模态，z模态(Plane Wave Expansion Method for Two-Dimensional Phononic Crystals)

内部排序算法，此程序包含了基本的排序算法，并对各个算法的性能做了相应的分析-internal sorting algorithm, which includes the basic sorting algorithm, as well as the performance of various algorithms do the corresponding analysis

说明：  针对无线通信中的抗干扰和干扰抑制问题， 提出一种极化域通信抗干扰方法。在信号极化域利用斜投影极化滤波器， 以克服传统的频域抗干扰技术的缺点。通过对斜投影滤波器的特点进行研究， 在信号极化域设计多种干扰抑制和抗干扰技术， 包括优化极化发射信号、非线性矢量变换的增广斜投影滤波器以及接收信号的统计特性， 以改进斜投影滤波器的设计。(Aiming at the problem of anti-jamming and interference suppression in wireless communication, a method of anti-jamming in polarization domain is proposed. The oblique projection polarization filter is used in the signal polarization domain to overcome the shortcomings of the traditional frequency domain anti-jamming technology. By studying the characteristics of oblique projection filter, we design a variety of interference suppression and anti-interference technologies in signal polarization domain, including optimizing the statistical characteristics of polarized emission signal, augmented oblique projection filter based on non-linear vector transformation and received signal, in order to improve the design of oblique projection filter.)

该方案采用AD2S1205解码芯片构建了旋变位置解码系统，并设计了相应的硬件电路、软件解码程序，搭建了旋变解码测试系统。实验结果表明，方案所设计的旋变位置解码电路合理，信号时序正确，能够输出稳定可靠的位置信号。(The scheme uses AD2S1205 decoding chip to construct the spin position decoding system. The corresponding hardware circuit and software decoding program are designed, and the spin decoding test system is built. The experimental results show that the rotary position decoding circuit designed in the scheme is reasonable, the signal timing is correct, and the stable and reliable position signal can be output.)

说明：  凯斯西储的轴承振动信号数据，可用来做故障分类(Case Western Reserve bearing vibration signal data can be used for fault classification)