摘要
从光源的发光机理出发，应用傅里叶分析方法和振动合成原理，研究了扩展光源的相干性．证明了任何两个独立的扩展光源均属不相干光源；分析表明，获得相干光源要比获得相干机械波源困难得多．
The design method of a small automatic alarm system controlled by 8031 single chip computer is presented. The main function, design principle, structure of the hardware and software of this system are described. This system is characterized by its small size, high performance, great anti disturbance and low cost.
出处
《陕西师范大学学报（自然科学版）》
CAS
CSCD
北大核心
1997年第3期47-51,共5页
Journal of Shaanxi Normal University：Natural Science Edition
关键词
扩展光源
傅里叶分析
相干性
干涉
single chip computer
automatic alarm system
hardware
software
