eureka-server-2.1.1

PCB工艺介绍以及规范，里面内容非常详细，虽然资料是13年的，但是很实用。(PCB technology introduction and specification, content is very detailed, although the information is 13 years, but very practical.)

对sps文件的包装类，对物探人员较有用，为标准C＋＋设计，可在unix系统实现-Sps files on the packaging category, geophysical staff of more useful, as the standard C design, unix system can realize

说明：  FM立体声调制解调simulink仿真实验(The modulation and demodulation of FM using simulink)

说明：  IP6805U 是一款无线充电发射端控制 SoC 芯 片，兼容WPC Qi v1.2.4 最新标准，支持 A11 或 A11a 线圈，支持 5W 充电(Ip6805u is a SoC chip for wireless charging transmitter control, which is compatible with the latest standard of WPC Qi v1.2.4, supports a11 or a11a coil, and supports 5W charging)

自学LinePipe 入门例子（NER,包含字典，正则表达式）(Self learning LinePipe introductory example (NER, including dictionary, regular expression))

one exercise from icarnegie ssd1

说明：  matlab程序计算岭回归的程序，参数值自行选取(ridge regression, matlab, parameters can be changed)

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Program to display the fraction of a nuumber

Convert data to in local python to json type