latch_up

The DVB-T standard is the most successful digital terrestrial television standards in the world. First published in 1995, it has been adopted by more than half of all countries in the world. Since the publication of the DVB-T standard, however, research in transmission technology has continued, and new options for modulating and error-protecting broadcast steams have been developed. Simultaneously, the demand for broadcasting frequency spectrum has increased as has the pressure to release broadcast spectrum for non-broadcast applications, making it is ever more necessary to maximise spectrum efficiency.

识获取的模糊控制系统的基础上改进的遗传算法和神经网络 (Knowledge Acquisition of Fuzzy Control System Based on Improved Genetic Algorithm and Neural Networks)

4HE BASIC IDEA OF /&$- IS TO DIVIDE THE AVAILABLE SPECTRUM INTO SEVERAL SUBCHANNELS ?SUBCARRI? ERS?? Y MAKING ALL SUBCHANNELS NARROWBAND? THEY EXPERIENCE ALMOST ?AT FADING? WHICH MAKES EQUALIZATION VERY SIMPLE? 4O OBTAIN A HIGH SPECTRAL EbCIENCY THE FREQUENCY RESPONSE OF THE SUBCHANNELS ARE OVERLAPPING AND ORTHOGONAL? HENCE THE NAME /&$-?

常用的千进制符号,我觉得很有用,至少有好几个是我不知道的.(1000 229 common symbols, I think that was very useful, at least several, I do not know.)

shp格式大连市范围（2018年10个县域）,可以用arcgis打开或mapgis转换。(dalian in shp format)

基于windriver的驱动开发 很好的一个文档和大家一起分享：） (Based on the windriver driver development A good document and share:)

License Plate Recognition or LPR is an image-processing technology used to identify vehicles by their license plates. This technology is used in various applications involving security, traffic, law enforcement, public safety and transportation sectors. It mainly uses software code that enables computer systems to read automatically the registration number (license number) of vehicles digital pictures.

Preparative chromatography technique in natural products

说明：  迈克尔泽勒经典书目 Exploring ArcObject Arcgis二次开发工具书(Michael zeller classic book Exploring ArcObject Arcgis secondary development tool book)

说明：  一个基于Arcgis engine开发的Arcgis desktop add-in插件代码案例，实现简单的功能，可以供学习使用(An Arcgis desktop add-in plug-in code case based on Arcgis engine, which realizes simple functions and can be used for learning.)