Multi-channel communication synchronous transmission system
A communication synchronization and transmission system technology, applied in the field of communication transmission, can solve problems such as noise accumulation, communication quality reduction, and signal distortion, and achieve the effects of preventing signal crossover distortion, ensuring accuracy, and improving reliability
Inactive Publication Date: 2020-05-15
ZHENGZHOU RAILWAY VOCATIONAL & TECH COLLEGE
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Problems solved by technology
[0002] At present, communication transmission is a multi-channel communication transmission method, especially the information interaction is becoming more and more complicated, which requires multi-channel multi-node segmented transmission, or even multi-channel synchronous transmission, adapting to today's rapid development of information delivery, and at the same time the signal transmission requirements It is also getting higher and higher, multi-channel synchronous transmission often causes noise accumulation, reduces communication quality, and even clutter signals appear, resulting in signal distortion
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Embodiment 1
[0012] Embodiment 1, a multi-channel communication synchronous transmission system, including a frequency acquisition module and a comparison feedback module, the frequency acquisition module uses the frequency collector J1 model SJ-ADC to collect the carrier signal frequency of the multi-channel communication node signal transmitter , the comparison feedback module uses the operational amplifier AR1 and the triode Q4 to form a detection circuit to adjust the signal waveform, and simultaneously uses the triode Q2 and the triode Q3 to form a push-pull circuit to feed back the signal at the non-inverting input terminal of the operational amplifier AR1 and input it into the non-inverting input terminal of the operational amplifier AR2 , and the operational amplifier AR2, resistor R6, and capacitor C4 form a comparison circuit to compare the output signals of the push-pull circuit and the detection circuit, and then use the triode Q5 and the voltage regulator tube D5 to form a high-...
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The invention discloses a multi-channel communication synchronous transmission system. The system comprises a frequency acquisition module and a comparison feedback module, the frequency acquisition module uses a frequency collector J1 of which the model is SJ-ADC to acquire the carrier signal frequency of a multichannel communication node signal transmitter. The comparison feedback module uses anoperational amplifier AR1 and a triode Q4 to form a detection circuit to adjust a signal waveform. An operational amplifier AR2, a resistor R6 and a capacitor C4 form a comparison circuit for comparing output signals of a push-pull circuit and the detection circuit; a high-level detection circuit composed of a triode Q5 and a voltage stabilizing tube D5 is used for detecting an output signal of the operational amplifier AR2; an operational amplifier AR3 compares a transmitter signal of the triode Q5 with an output signal of a composite circuit; and the signal is sent to a controller of the multichannel communication synchronous transmission system through a signal transmitter E1, so that the carrier signal frequency of the multichannel communication node signal transmitter can be calibrated and converted into a correction trigger signal of the multichannel communication synchronous transmission system controller.
Description
technical field [0001] The invention relates to the technical field of communication transmission, in particular to a multi-channel communication synchronous transmission system. Background technique [0002] At present, communication transmission is a multi-channel communication transmission method, especially the information interaction is becoming more and more complicated, which requires multi-channel multi-node segmented transmission, or even multi-channel synchronous transmission, adapting to today's rapid development of information delivery, and at the same time the signal transmission requirements It is also getting higher and higher, and multi-channel synchronous transmission often causes noise accumulation, which reduces communication quality, and even clutter signals appear, resulting in signal distortion. Contents of the invention [0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is ...
Claims
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IPC IPC(8): H04L7/00
CPCH04L7/0091
Inventor 曹冰常仁杰陈享成金光邱文严董心雨
Owner ZHENGZHOU RAILWAY VOCATIONAL & TECH COLLEGE
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