您要查找的是不是:
- partial band noise jamming (PBNJ) 部分频带噪声干扰
- Performance analysis of MC-FH communication system in the presence of partial band noise jamming 多载波跳频系统抗部分频带干扰性能分析
- Performance analysis of differential frequency hopping system with partial band noise jamming over Rayleigh fading channels 瑞利衰落信道下差分跳频通信系统抗部分频带噪声干扰的性能分析
- partial band noise jamming 部分频带干扰
- The systematic structure and the anti-jamming method of JTIDS is analyzed, the bit error rate of JTIDS is studied and modulated in the Gaussian noise and partial band jamming, and the result of modulation is analyzed. 文中分析了联合战术信息分发系统(JTIDS)的系统结构以及采用的抗干扰体制,研究了该系统在高斯白噪声和人为部分频带干扰情况下的比特误码率,进行了仿真,并对仿真结果进行了分析。
- The anti-jamming performances of the system interfered by multiuser jamming, single-tone jamming, multitone jamming and partial band jamming are simulated. 4、对系统的抗干扰性能进行了仿真实验:仿真了系统的上行链路在多用户干扰、单频干扰、多频干扰、部分频带干扰等条件下的抗干扰性能。
- 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。
- 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。
- This paper discussed the double sideband noise figures and single side band noise figures of the superheterodyne receivers in a ideal hypothesis and the practical case respectively. 分别讨论了在理想假设和实际情况下超外差接收机的双边带噪声系数和单边带噪声系数,给出了单边带接收机的某些设计方案。
- 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。
- 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。
- Without a RF filter, B should be more than 9dB so that the out of band noises near the central frequency can achieve the DAB transmitting signal criterion. 在不加滤波器的情况下 ,离中心频率较近的带外噪声欲满足DAB发射信号频谱标准 ,B至少要在 9d B以上。
- 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。
- Performance Analysis of Product-Combining Receiver for Differential Frequency Hopping System with Partial Band Jamming over Rayleigh Fading Channel 乘积合并接收的差分跳频通信系统在瑞利衰落信道上抗部分频带干扰的性能分析