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- FM noise jamming 噪声调频干扰
- The detection performance of receiver to noise jamming signal was improved remarkably by accumulation detection. 通过积累检测显著地改善了接收机对噪声干扰类信号的检测性能。
- Time series model of FM jamming signal in noise jamming 噪声干扰中调频干扰的时序建模
- The methods to minimize the extra FM noise of LO and the discrimination effect are proposed so that the additional receiver noise can be effectively repressed. 提出了降低本振附加的FM噪声,减小系统的鉴频效应,使整机的附加噪声得以有效抑制的改进措施。
- New system Radar have good performances and ECCM capability, makes the conventional noise jamming and deception jamming failed. 新体制雷达的出现和应用极大地提高了雷达性能和抗干扰性,使传统的噪声干扰和欺骗干扰相对失效。
- From simulation results, these methods can effectively combat multitone jamming and partial-band noise jamming. 这两种分集结合能有效抗多波道单音干扰或部分频带干扰,对抗干扰效能是非常良好的。
- Abstract: Seism monitoring under ground has higher accuracy with less noise jamming from the ground surface. 中文摘要: 井下地震监测可减少地面噪声干扰、提高地震监测精度。
- In the first system, we consider three cases, multitone jamming (MTJ), broad-band noise jamming (BBN) and partial-band noise jamming (PBN). 在第一个系统中环境为蓄意人为干扰或窄频带非人为干扰的环境,其中考虑三种干扰型式包括宽频杂讯干扰、部分频带杂讯干扰及多波道单音干扰。
- The smart noise jamming technique is presented based on DRFM due to the increasing of the anti-jamming ability of some new radar system. 针对新体制雷达抗干扰能力强的特点,提出了以DRFM为基础的多种灵巧噪声干扰波形设计方法。
- 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. 讨论了这种干扰方法对合成孔径雷达图像的干扰效果。
- Noise jamming includes blocking, aiming and random pulse jamming, and deception jamming includes transmitting, responding and scattering jamming. 有源压制干扰主要包括阻塞干扰、瞄准式干扰和随机脉冲干扰;
- To implement effective jamming on the modem coherent radar, this paper proposes one smart noise jamming realization scheme based on convolution modulation. 摘要为了对现代新体制相参雷达实施有效的干扰,提出了一种基于卷积调制的灵巧噪声干扰技术实现方案。
- AM and FM noise in a semiconductor laser 半导体激光器的AM和FM噪声
- 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... 但是在强噪声干扰下,导引头接收机处于饱和状态,失调角及测角方差恶化,从而使其不再具有任何利用价值,必须采取措施加以解决。
- Bernoulli chaotic FM noise signal Bemoulli混沌调频信号
- 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. 实验表明这种方法与单一使用功率谱比值法的方法相比,动作模式识别率得到了提高。
- 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. 本文结合某型舰载两坐标雷达外场实测数据的分析和处理,提出了采用二进制积累检测算法对有源噪声干扰进行抑制的方法。
- 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. 讨论了机电一体化装置抗干扰的重要性,分析了噪声来源,并探讨了一种机电一体化装置抗干扰的结构。
- Inverted Receiving and FM Noise Cancelling Out of Radar Seeker 雷达导引头倒置接收和调频噪声对消
- Noise jammer is one of the primary jamming that radar seekers have to antagonize. 噪声干扰是雷达导引头需要对付的主要干扰形式之一。