Abstract: Wireless laser communication is a technology that utilizes laser as the information carrier for point-to-point communication in free space. It has high strategic demand and application value ...

Abstract: This article used image recognition and beam forming technology to build a phased array with target tracking and transmitting the microwaves with a focused beam. The coordinate position of ...

I recommend starting with a standard dynamic microphone like a Shure SM57 ($108) or SM58 ($109) and moving up to a larger diaphragm condenser mic like the Audio-Technica AT2020 ($119) for instruments ...