Computer security risk control system

Abstract

The invention discloses a computer security risk control system. The system comprises a frequency acquisition circuit, a feedback calibration circuit and a frequency selection compensation circuit, wherein the frequency acquisition circuit acquires a signal in an input end of a signal transmission channel for receiving an analog signal by a control terminal in the computer security risk control system; the feedback calibration circuit uses a frequency modulation circuit composed of a triode Q1, a capacitor C2 and a capacitor C3 to perform frequency modulation on a signal, uses an amplitude modulation circuit composed of a triode Q2, an inductor L1, an inductor L2, a capacitor C6 and a capacitor C7 for carrying out amplitude modulation on signals, uses a constant current source circuit composed of a triode Q4, a triode Q5 and a capacitor C9 for carrying out voltage stabilization and then inputting the signals into a frequency selection compensation circuit. Finally the frequency selection compensation circuit uses resistors R16-R18 and capacitors C12-C14 to form a frequency selection circuit to screen out signal output of a single frequency. Automatic frequency modulation and calibration can be carried out on signals in the input end of a signal transmission channel used for receiving analog signals by the control terminal in the computer safety risk control system, and signal errors are reduced.

Description

technical field [0001] The invention relates to the field of circuit technology, in particular to a computer security risk control system. Background technique [0002] With the continuous development of science and technology, computers are becoming more and more important. It can be said that computers have become the core of many devices. The internal operation of computers is automatically controlled according to the programs programmed by people in advance. The general term for the computer system that detects and controls the production process and its electromechanical equipment and process equipment. The performance of the computer directly determines the operating performance of the related equipment. Therefore, it is necessary to control the computer security risk. The computer security risk control system is dedicated to the computer. It runs itself for monitoring and control to ensure that the computer is running in good condition. However, in practical applicati...

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Problems solved by technology

[0002] With the continuous development of science and technology, computers are becoming more and more important. It can be said that computers have become the core of many devices. The internal operation of computers is automatically controlled according to the programs programmed by people in advance. The general term for the computer system that detects and controls the production process and its electromechanical equipment and process equipment. The performance of the computer directly determines the operating performance of the related equipment. Therefore, it is necessary to control the computer security risk. The computer security risk control system is dedicated to the computer. It runs itself for monitoring and control to ensure that the computer is running in good condition. However, in practical applications, the signal in the input terminal of the signal transmission channel for receiving analog signals by the control terminal in the computer security risk control system will also fail during the transmission process, causing the signal to often Frequency hopping and attenuation occur, causing the analog signal received by the control terminal in the computer security risk control system to exceed the signal error range, causing the computer security risk control system to make wrong analysis or instructions, resulting in unimaginable losses

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