| 扩展光源相干性的解析证明 |
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| 引用本文： | 郭红霞 王炳和. 扩展光源相干性的解析证明[J]. 陕西师范大学学报(自然科学版), 1997, 25(3): 47-51 |
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| 作者姓名： | 郭红霞 王炳和 |
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| 作者单位： | 陕西师范大学应用声学研究所(郭红霞)，西安武警技术学院数学教研室(王炳和) |
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| 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．
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| 关 键 词： | 扩展光源；波列；傅里叶分析；相干性 |
A small automatic alarm system controlled by 8031 single chip computer |
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| Wang Xili. A small automatic alarm system controlled by 8031 single chip computer[J]. Journal of Shaanxi Normal University: Nat Sci Ed, 1997, 25(3): 47-51 |
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| Authors: | Wang Xili |
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| Abstract: | 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. |
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| Keywords: | single chip computer automatic alarm system hardware software |
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