ID 原文 译文
8914 首先,采用奇异值比谱法估计SMSP干扰的子脉冲个数和调频斜率,采用相关运算法估计SMSP干扰的脉冲前沿位置、幅度以及相位参数,得到重构的SMSP干扰。 First of all, using the method of singular value than spectral estimation SMSP interference pulse number and frequency modulation slope, related calculation method is used to estimate SMSP interference pulse edge location, amplitude and phase parameters, get the refactoring SMSP interference.
8915 其次,将其从接收信号中减去即可达到抑制干扰的目的。 Secondly, from the received signal in the minus suppressing interference.
8916 最后,仿真结果表明,即使在较低的干信比和干噪比条件下,干扰抑制比仍可以达到20dB以上,说明所提方法对SMSP干扰具有较好的干扰抑制效果。 Finally, the simulation results show that, even in the lower than dry letter and dry noise ratio conditions, interference suppression ratio can reach more than 20 db, still shows that the proposed method has better interference suppression in SMSP interference effect.
8917 噪声环境下图像压缩感知(compressive sensing,CS)重构方法的性能会大幅度下降。 Image compression in noisy environment perception (compressive sensing, CS) reconstruction performance will decline substantially.
8918 在近似消息传递(approximate message passing,AMP)算法的基础上,同时利用结构先验信息和边信息来增强AMP算法对噪声的鲁棒性。 In the approximate messaging (approximate message passing, AMP) algorithm on the basis of a priori information and edge information and use structure to enhance AMP algorithm robustness to noise.
8919 利用图像中相似块的低秩特性,在反投影的含噪图像中捕获低秩子空间的结构特征; Using similar block in the image of low rank characteristic, in the projection of the noise in the image capture structure characteristics of the low-rank subspace;
8920 再将含有确定成分的前期重构图像作为边信息,以实现细节的增强。 Reconstructed image will contain certain elements of early as edge information, to the implementation details.
8921 实验表明,本文算法比原始AMP算法在峰值信噪比(peak signal to noise ratio,PSNR)上平均提高了3.89dB,且获得更加清晰的重构图像; Experiments show that the algorithm than the original algorithm of AMP in the peak signal-to-noise ratio (peak signal to noise thewire, PSNR) on an average increase of 3.89 dB, and the reconstructed image to obtain more clear;
8922 与仅利用低秩特性的AMP算法相比,引入边信息后本文算法在PSNR上获得了0.27dB的增益,同时增强了重构图像的细节。 Compared with only using low rank characteristics of AMP algorithm, in this paper, after introducing edge information algorithm on the PSNR gain of 0.27 dB gain, at the same time enhance the details of the reconstructed image.
8923 大幅度电离层相位扰动使得超视距雷达(over the horizon radar,OTHR)多普勒频谱严重展宽,限制了OTHR系统在船舶目标探测方面的实际应用。 Greatly ionospheric phase perturbation makes the over-the-horizon radar (over the horizon radar, OTHR) serious doppler spectral broadening, limits the OTHR system in the practical application of ship target detection.