【摘要】：由于網(wǎng)絡(luò)入侵類型多種多樣,導(dǎo)致網(wǎng)絡(luò)入侵異常信號抗干擾檢測系統(tǒng)的檢測準(zhǔn)確率和檢測穩(wěn)定性不高。為此,設(shè)計性能較高的網(wǎng)絡(luò)入侵異常信號抗干擾檢測系統(tǒng),該系統(tǒng)由激勵端、檢測端和處理端組成。激勵端將由網(wǎng)絡(luò)入侵產(chǎn)生的信號轉(zhuǎn)換成正弦波信號,對正弦波信號進行放大后傳輸?shù)綑z測端。激勵端同時產(chǎn)生激勵信號和標(biāo)準(zhǔn)信號,用于調(diào)用檢測端進行異常信號檢測工作以及處理端的初始化。檢測端通過傳感器接收激勵信號和正弦波信號,將傳感器線圈輸出電壓作為異常信號檢測的輸入,利用異常信號抗干擾定位、檢測函數(shù),實現(xiàn)對異常信號的抗干擾檢測。處理端利用S3C2440a處理芯片對檢測端檢測出的網(wǎng)絡(luò)入侵異常信號進行濾波、整流和異常信號顯示。經(jīng)實驗分析可知,所設(shè)計的系統(tǒng)具有較高的檢測準(zhǔn)確率和檢測穩(wěn)定性,可較好地實現(xiàn)設(shè)計初衷。
[Abstract]:Because of the variety of network intrusion types, the detection accuracy and detection stability of the anti-interference detection system of network intrusion anomaly signal are not high. Therefore, the anti-interference detection system of network intrusion anomaly signal with high performance is designed. The system is composed of excitation terminal, detection end and processing terminal. The signal generated by the network intrusion is converted into a sine wave signal at the excitation end, which is amplified and transmitted to the detection terminal. The excitation terminal generates both the excitation signal and the standard signal, which is used to call the detection terminal to detect the abnormal signal and initialize the processing terminal. The detection end receives the excitation signal and the sine wave signal through the sensor. The output voltage of the sensor coil is taken as the input of the abnormal signal detection. The anti-interference detection function is used to realize the anti-interference detection of the abnormal signal by using the abnormal signal anti-interference location and detection function. The processing terminal uses S3C2440a processing chip to filter, rectify and display the abnormal signal of network intrusion detected at the detection end. The experimental results show that the designed system has high detection accuracy and stability, and can realize the original intention of the design.
【作者單位】： 浙江大學(xué);義烏工商職業(yè)技術(shù)學(xué)院;
【基金】：浙江省教育廳高校國內(nèi)訪問學(xué)者專業(yè)發(fā)展項目(144)
【分類號】：TP393.08

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本文編號：2383219