[size=4]Introduction[/size] [size=4] [/size] [size=4] There are many ways to generate digital phase-shifted signals. The traditional direct digital frequency synthesis (DDS) phase-shifting principle i
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A colleague spent 80 yuan to buy an electric vehicle battery repairer on the market, but the effect was not obvious after using it. I analyzed its circuit structure and found that the high-voltage and
The waveguide-fed slot array antenna has developed greatly since the Second World War. It is widely used in various fields: 1. Ground, shipborne, and airborne radars 2. Navigation radars 3. Weather ra