Wired and wireless mixed signal generation system based on single optical modulator
A wireless signal and optical modulator technology, applied in fiber optic radio, transmission system, electromagnetic wave transmission system, etc., can solve problems such as complex system structure, achieve high spectrum utilization, increase spectrum efficiency, and simple structure
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[0020] The present invention will be further described below in conjunction with specific examples and accompanying drawings.
[0021] Depend on figure 1 As shown, the wired and wireless mixed signal generation system based on a single optical modulator includes:
[0022] Signal generator 1, which generates baseband wireless signals and sends them to mixer 2;
[0023] The local oscillator source 4 generates a lower frequency local oscillator frequency;
[0024] The frequency multiplier 3 generates a lower-frequency local oscillator frequency multiplier for the local oscillator source 4, so that the output frequency is an integer multiple of the input frequency; it is sent to the mixer 2;
[0025] The mixer 2 moves the baseband wireless signal to the carrier frequency; then it is sent to the dual-polarized Mach-Zehnder optical modulator 6;
[0026] The signal generator 11 directly generates the baseband wired signal and sends it to the dual-polarized Mach-Zehnder optical mod...
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