| According to statistics .research, most death in earthquake is not caused by shake or collision, but by delayed aid with the limit of practical factors. As we know, people can live through about 72 hours when jammed in disaster. How to rescue the jammed people in earthquake as soon as possible is the aim of 05 task of the "tenth five" National key research. This paper discussed a problem of the taskï¼research on auxiliary microaudio-optic life explorer and invent a small, light, easily manipulated, saving electricity, auxiliary system which is an indispensable part of optic life explorer and location finder.This paper can be divided seven parts. The first part discusses the base and necessity of the paper, review of the technique home and abroad, market demand analysis, available conditions and main work finished; the second part is the core of this paper and discusses the detail of how to make the micro optic life explorer; the third part introduces the optic-electric imaging theory; the fifth part discusses the process and display of video image, circuit of video information process, PIP video display technique and LCD display technique; the sixth part discusses the relative content about wireless spread spectrum theory, a necessary theoretical supplement of lift exploring system; the last part is the conclusions of the paper, summarizes experiences gotten during the research of lift explorer, gives some advices on how to perfect the system and the market prospect of lift explorers. The main body of the paper includes 64 graphs, 2 tables and 13 attached charts.
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