微波热声成像中常用的music算法，在近场成像中使用比较广泛。-Microwave-induced thermoacoustic imaging algorithm commonly used in music, in the near-field imaging in a much wider use.

本文是对热声制冷机的简介以及对其进一步的优化设计，通过本文可系统了解其相关知识。(This is a brief introduction to thermoacoustic refrigerator and its further optimization design.)