Optical pulse position modulating signal receiver and data processing method thereof
A technology for modulating signals and receivers, which is applied in the field of receiving optical pulse modulated signals to achieve the effects of easy adjustment and setting, high clock frequency and good scalability.
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[0046]The device of the present invention takes the free space laser communication in a certain situation as an embodiment, and adopts the hexadecimal optical pulse position modulation mode and RS (15, 9) code. Expected background noise light and detector internal noise are averaged μ at the ADC input n is 500mV, standard deviation σ n It is a voltage signal of 100mV; the received signal pulse width is 500ns, and the signal pulse is converted into an average value at the ADC input end of the analog-to-digital converter, respectively μ p 500, 3500, 4500, 2500, 500mV, the standard deviation is σ p is a voltage signal sequence of 100mV. The present invention will be further described below with reference to specific embodiments and accompanying drawings, but the protection scope of the present invention should not be limited by this.
[0047] First, please refer to figure 1 , figure 1 It is a schematic diagram of the overall structure of the optical pulse position modulation...
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