【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(hào)抗干擾檢測(cè)系統(tǒng)的檢測(cè)準(zhǔn)確率和檢測(cè)穩(wěn)定性不高。為此,設(shè)計(jì)性能較高的網(wǎng)絡(luò)入侵異常信號(hào)抗干擾檢測(cè)系統(tǒng),該系統(tǒng)由激勵(lì)端、檢測(cè)端和處理端組成。激勵(lì)端將由網(wǎng)絡(luò)入侵產(chǎn)生的信號(hào)轉(zhuǎn)換成正弦波信號(hào),對(duì)正弦波信號(hào)進(jìn)行放大后傳輸?shù)綑z測(cè)端。激勵(lì)端同時(shí)產(chǎn)生激勵(lì)信號(hào)和標(biāo)準(zhǔn)信號(hào),用于調(diào)用檢測(cè)端進(jìn)行異常信號(hào)檢測(cè)工作以及處理端的初始化。檢測(cè)端通過傳感器接收激勵(lì)信號(hào)和正弦波信號(hào),將傳感器線圈輸出電壓作為異常信號(hào)檢測(cè)的輸入,利用異常信號(hào)抗干擾定位、檢測(cè)函數(shù),實(shí)現(xiàn)對(duì)異常信號(hào)的抗干擾檢測(cè)。處理端利用S3C2440a處理芯片對(duì)檢測(cè)端檢測(cè)出的網(wǎng)絡(luò)入侵異常信號(hào)進(jìn)行濾波、整流和異常信號(hào)顯示。經(jīng)實(shí)驗(yàn)分析可知,所設(shè)計(jì)的系統(tǒng)具有較高的檢測(cè)準(zhǔn)確率和檢測(cè)穩(wěn)定性,可較好地實(shí)現(xiàn)設(shè)計(jì)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(xiàng)目(144)
【分類號(hào)】：TP393.08

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