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- Pulsed Noise Jamming 脈衝雜訊干擾
- The detection performance of receiver to noise jamming signal was improved remarkably by accumulation detection. 通過積累檢測顯著地改善了接收機對雜訊干擾類信號的檢測性能。
- New system Radar have good performances and ECCM capability, makes the conventional noise jamming and deception jamming failed. 新體制雷達的出現和應用極大地提高了雷達性能和抗干擾性,使傳統的雜訊干擾和欺騙干擾相對失效。
- From simulation results, these methods can effectively combat multitone jamming and partial-band noise jamming. 這兩種分集結合能有效抗多波道單音干擾或部分頻帶干擾,對抗干擾效能是非常良好的。
- Abstract: Seism monitoring under ground has higher accuracy with less noise jamming from the ground surface. 中文摘要: 井下地震監測可減少地面雜訊干擾、提高地震監測精度。
- In the first system, we consider three cases, multitone jamming (MTJ), broad-band noise jamming (BBN) and partial-band noise jamming (PBN). 在第一個系統中環境為蓄意人為干擾或窄頻帶非人為干擾的環境,其中考慮三種干擾型式包括寬頻雜訊干擾、部分頻帶雜訊干擾及多波道單音干擾。
- The smart noise jamming technique is presented based on DRFM due to the increasing of the anti-jamming ability of some new radar system. 針對新體制雷達抗干擾能力強的特點,提出了以DRFM為基礎的多種靈巧雜訊干擾波形設計方法。
- This method is compared with classical noise jamming technique by means of SJR (Signal to Jamming Ratio) gain and jamming power gain of SAR system. 討論了這種干擾方法對合成孔徑雷達圖像的干擾效果。
- Noise jamming includes blocking, aiming and random pulse jamming, and deception jamming includes transmitting, responding and scattering jamming. 有源壓制干擾主要包括阻塞干擾、瞄準式干擾和隨機脈衝干擾;
- To implement effective jamming on the modem coherent radar, this paper proposes one smart noise jamming realization scheme based on convolution modulation. 摘要為了對現代新體制相參雷達實施有效的干擾,提出了一種基於卷積調製的靈巧雜訊干擾技術實現方案。
- But once the seeker is under a strong noise jamming,the receiver of the seeker becomes saturated,and the maladjusted angle as well as the variance of angle measure become s... 但是在強雜訊干擾下,導引頭接收機處於飽和狀態,失調角及測角方差惡化,從而使其不再具有任何利用價值,必須採取措施加以解決。
- After the signal is decomposed and reconstructed by wavelet functions, the unmeasurabled noise jamming is eliminated, then use power spectrum coefficient method to analyse it. 實驗表明這種方法與單一使用功率譜比值法的方法相比,動作模式識別率得到了提高。
- In this paper,through the analysis and processing of the measured data of a 2D shipborne radar,an algorithm based on binary integration detection is presented for active noise jamming resistance. 本文結合某型艦載兩坐標雷達外場實測數據的分析和處理,提出了採用二進位積累檢測演算法對有源雜訊干擾進行抑制的方法。
- The paper discusses the importance of anti - interference in mechatronics device, analyzes the sources of noise jamming and makes further approach to a antijamming structure for mechatronics device. 討論了機電一體化裝置抗干擾的重要性,分析了雜訊來源,並探討了一種機電一體化裝置抗干擾的結構。
- The experiment results show that this algorithm can not only strain effectively every slow changing and pulse noise, but also sharpen well the image edge simultaneously. 實驗結果表明,該演算法不僅可以有效濾除各種慢變化及脈衝雜訊,而且在濾噪的同時能銳化目標的邊緣。
- Noise jammer is one of the primary jamming that radar seekers have to antagonize. 雜訊干擾是雷達導引頭需要對付的主要干擾形式之一。
- The transmitter was pulsed by an electron tube. 電子管使發射器產生脈衝波。
- How am I going to get out of this jam? 我怎樣才能擺脫困境呢?
- Here the algorithm of extremum filtering is introduced.Substituting the extremum with the average of the adjacent two points, the pulse noise can be filtered without any effect on the signals. 為此,介紹了去除奇異值的演算法,用相鄰兩點的平均值代替奇異值,可去除脈衝干擾而對信號沒有影響。
- Research of a Noise Jamming Technique to SAR 合成孔徑雷達雜訊干擾技術研究