ID 原文 译文
48346 针对窄带干扰(narrowband interference,NBI)的存在会对脉冲超宽带(ultra-wideband,UWB)通信系统性能带来严重的影响。 For narrowband interference (narrowband interference, NBI) to the existence of impulse ultra wideband (UWB) ultra - wideband, communication system performance badly hurt.
48347 提出了一种基于欠采样的低复杂度NBI检测与消除方案,以消除NBI为目标,论证了欠采样下NBI检测与消除的可行性。 Proposed a low complexity based on undersampling NBI detection and elimination of solutions, aiming to eliminate the NBI, demonstrates the undersampling NBI under the feasibility of the detection and elimination.
48348 通过傅里叶分析,指出NBI在欠采样信号的快速傅里叶变换域中具有稀疏性和易辨别的特点,并根据这些特征实现了对NBI子空间的估计。 By Fourier analysis, and points out that the NBI in undersampling signal of fast Fourier transform domain is sparse and identify the characteristics of and according to these features to implement the estimate of the NBI subspace.
48349 依据NBI子空间,设计了NBI信号的正交投影矩阵,在时域实现了对NBI的消除。 On the basis of NBI subspace, designed the orthogonal projection matrix of NBI signal in time domain to achieve the elimination of NBI.
48350 仿真结果表明,在可接受的UWB信号功率损失范围内,方案大大提高了欠采样信号的信号干扰噪声比。 Simulation results show that in the acceptable range of UWB signal power loss, the scheme has greatly increased the undersampling signal interference signal to noise ratio.
48351 大多数传输线模型都不能保证无源性。 Most of the transmission line model can guarantee that no source sex.
48352 针对基于特征方法的传输线宏模型,提出了一种快速无源性补偿方法。 In view of the macro model of a transmission line method based on feature, this paper proposes a fast passive compensation method.
48353 相对于留数扰动策略,所用的留数特征值扰动方法,减少了自由变量的数目,从而大大减小了CPU时间和内存需求, Disturbance strategy relative to the residue, the residue eigenvalue perturbation method, reduce the number of free variables, which greatly reduces the CPU time and memory requirements,
48354 同时还可以满足在任意端接下的应用。 at the same time can also meet in any side for the next application.
48355 此外还给出优化问题的解析解,进一步提高了仿真的速度。 In addition to the analytical solution of the optimization problem, and further improves the speed of the simulation.