In shortwave communication, communication under extremely low signal-to-noise ratio conditions is an emergency communication method. This paper introduces the design principle of shortwave modem with ...
A radio fraud incident occurred in Leiyang, Hunan. [url]http://news.163.com/08/0613/06/4EA12JSB0001124J.html[/url] How is the radio signal transmitter located? How to prevent the radio transmission fr...
The design of a planar waveguide single pulse comparator is introduced. "Using the waveguide hybrid bridge as the basic structural unit, an X-band single pulse comparator is designed." By adding a qua...
I got yc2440 and tried to process EINT1 key interrupt. Someone on the yc forum said that CE BSP is special and cannot directly apply for logic interrupt dynamically. So I referred to the logic interru...
Industrial automation system refers to the general term for automated technical tools (including automatic measuring instruments and control devices) for measuring and controlling industrial productio...