Weak pulse luminous signs detection apparatus and method
A signal detection and pulse signal technology, applied in the direction of instruments, etc., to achieve the effect of reducing manual setting and adjustment links, high cost performance, and good reliability
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[0039] The present invention will be further described below in conjunction with the embodiments and drawings, but the protection scope of the present invention should not be limited by this.
[0040] The device of the present invention takes the free space laser communication in a certain occasion as an example, adopts the pulse position modulation method, and the expected received signal pulse width is 250ns, the signal strength is less than 1nw, and the bit error rate requirement is better than Pe<=10-5 .
[0041] Please refer first figure 1 with figure 2 , figure 1 It is a schematic diagram of the overall structure of the weak pulse light signal detection device of the present invention, figure 2 It is a schematic diagram of the division of internal logic function units of DSP3 in the weak pulse light signal detection device of the present invention. It can be seen from the figure that the weak pulse light signal detection device of the present invention includes a high-se...
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