System for adjusting transmission time of inputted signal of transmitter and realizing method thereof
A technology of input signal and transmission time, applied in transmission system, digital transmission system, synchronous broadcasting/distribution through multiple systems, etc., can solve problems such as time synchronization of single frequency network signals, so as to facilitate popularization and use and reduce construction costs , the effect of reducing the length
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[0030] Such as figure 1 As shown, a system for adjusting the transmission time of an input signal from a transmitter, including a signal input processor, a first mixer, an AD converter, a serial-to-parallel converter, a memory, a parallel-to-serial converter, and a DA converter connected in sequence , a second mixer, and a signal output processor, wherein a frequency signal source is connected to the first mixer and the second mixer.
[0031] The signal input processor receives the radio frequency signal and filters and amplifies it. The signal processed by the signal input processor passes through the frequency conversion of the first mixer to output the intermediate frequency signal, and the AD converter takes the intermediate frequency signal output by the first mixer through sampling Converted to a high-speed digital signal, the serial-parallel converter converts the one-bit high-speed digital signal output by the AD converter into a multi-bit low-speed digital signal, and...
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