Clock frequency transmission device capable of resisting optical fiber disturbance

The invention discloses a clock frequency transmission device capable of resisting optical fiber disturbance which is characterized by comprising a sending end and a receiving end which are connectedthrough an optical fiber, the sending end is provided with an input matching unit, an analog-to-digital conversion unit, a parallel-to-serial conversion unit and a digital light modulation unit whichare connected in sequence, and the analog-to-digital conversion unit is connected with a sampling clock source; wherein the receiving end is provided with a digital optical demodulation unit, a serial-parallel conversion unit, a digital-to-analog conversion unit, a data storage buffer unit and a filtering amplification output unit which are connected in sequence, and the serial-parallel conversionunit, the digital-to-analog conversion unit and the data storage buffer unit are all connected with a clock quasi-coherent control output unit connected with a reference clock source. The device is low in cost, low in power co