A Network Information Analysis System

A network information and analysis system technology, applied in the direction of multi-terminal network, special data processing applications, instruments, etc., can solve the problems of signal distortion, attenuation and ineffective reception by the terminal server

Pending Publication Date: 2018-12-11
北京易用时代科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide a network information analysis system, which has the characteristics of i...

Method used

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  • A Network Information Analysis System

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment one, a network information analysis system, including a regeneration receiving circuit, a filter circuit, and a signal amplitude modulation circuit. The weak signal in the network information transmission channel received by the regeneration receiving circuit is a π-type composed of a capacitor C1, a capacitor C3, and an inductor L1 The filter filters out boundary interference signals and adds them to the base of transistor Q1, where resistors R1 and R2 are the base bias resistors of transistor Q1, and capacitor C2 is added between the base and collector of transistor Q1, which is the middle And the capacitor, the emitter of the transistor Q1 is connected to one end of the bypass capacitor C4 and one end of the emitter resistor R4 for amplification. The collector output of the transistor Q1, the transistor Q1 and the inductor L2, the inductor L6, and the capacitor C5 form an oscillator Generate an oscillating signal (transmission frequency signal when network i...

Embodiment 2

[0016] The second embodiment, on the basis of the first embodiment, the signal amplitude modulation circuit receives the signal output by the filter circuit, and performs a boost two-stage amplitude modulation through a Boost circuit composed of inductor L4, MOS transistor Q1, diode D2, resistor R14, and resistor R15 The voltage divider circuit composed of resistor R14 and resistor R15 provides gate voltage for MOS transistor Q1, and discharges through capacitor C10, and MOS transistor Q1 is turned on. The signal amplitude modulation circuit output signal is the signal output by the filter circuit and MOS When the product of the on-time of tube Q1, the output signal does not meet the standard signal 0V~+5V received by the analysis system server, the voltage stabilizer Z2 or the voltage stabilizer Z1 will break down, which can make the thyristor VTL1, the voltage stabilizer Z2 and the resistance The trigger circuit composed of R9 and capacitor C10 is turned on or the trigger circ...

Embodiment 3

[0017] The third embodiment, on the basis of the second embodiment, the regenerative receiving circuit receives the weak signal in the network information transmission channel, filters out boundary interference signals through a π-type filter composed of capacitor C1, capacitor C3, and inductor L1, and then adds it to The base of the transistor Q1, where the resistors R1 and R2 are the base bias resistors of the transistor Q1, and the capacitor C2 is added between the base and collector of the transistor Q1, which is a neutralizing capacitor, and the emitter of the transistor Q1 is connected respectively One end of the bypass capacitor C4 and one end of the emitter resistor R4 are amplified and output by the collector of the transistor Q1. The transistor Q1 is combined with the inductor L2, the inductor L6, and the capacitor C5 to form an oscillator to generate an oscillating signal (transmission when network information is transmitted) Frequency signal) Distortion compensation ...

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Abstract

The invention discloses a network information analysis system, a weak signal, which is received by the regenerative receiving circuit and is in the network information transmission channel is treatedby the oscillator with transistor Q1 as the core to generate positive feedback, distortion compensation and primary amplification are performed, wherein an operational amplifier AR3 is used to feedback a primary amplified signal, the accuracy of distortion compensation is improved, at that same time, the signal meeting the post-stage circuit amplitude and frequency Requirement is output, and then enters the filter circuit, the noise interference is filtered by LC filter circuit, and other frequency signal interference is avoided by a bandpass filter, the signal enters a signal amplitude modulation circuit, and boosting second-order amplitude modulation is performed by a Boost circuit. When the output signal is abnormal, the thyristor is on, the signal enters the subtractor and outputs adifference signal, which is converted into a PWM signal to be coupled to the gate of the MOS transistor Q1 to control the on or off of the MOS transistor Q1, so as to control the accuracy of the second-order amplitude modulation. the problems that the signal in the network information transmission channel is distorted and the attenuation can not be effectively received by the terminal server canbe effectively solved.

Description

Technical field [0001] The present invention relates to the field of circuit technology, in particular to a network information analysis system. Background technique [0002] With the development of the network system, a lot of information is transmitted through the network, which brings people a lot of convenience. As people become more and more dependent on the network (such as the Internet), comprehensive monitoring of all information transmitted in the network Analysis is particularly important in eliminating network accidents, improving network security, and improving network performance. At present, network analysis systems (such as Kelai Network Analysis System) are mainly used for analysis, specifically by capturing real-time packets in the network information transmission channel The signal is transmitted to the terminal server, and the received signal is analyzed through the terminal server. However, the signal is transmitted through a long-distance channel. Due to the ...

Claims

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Application Information

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IPC IPC(8): H03H11/02G06F17/30
CPCH03H11/02
Inventor 李伟超齐云飞张柳琪李琴赵海霞
Owner 北京易用时代科技有限公司
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