“双谱”是天文学专有名词。来自中国天文学名词审定委员会审定发布的天文学专有名词中文译名，词条译名和中英文解释数据版权由天文学名词委所有。
n. bispectrum
The result shows that bispectrum detection method can detect weak signals even at a low signal to noise ratio.
通过仿真分析证明了双谱检测法能够在低信噪比的情况下检测到微弱信号。
参考来源 - 基于高阶累积量的频谱感知技术仿真分析Base on bi-spectrum analysis,implemented locating algorithm of two PD signal using time differencing mothod and developed a PD locating system using LabVIEW.
采用双谱分析实现两路PD信号时间差定位算法,并采用LabVIEW开发了局部放电定位系统。
参考来源 - GIS局部放电在线监测系统及核主分量模式识别研究As compared with energy detector, bispectrum detector can depress Gaussian noise much better, which is proved via test simulation.
与能量检测器相比，双谱检测器具有更好的抗高斯噪声能力，试验仿真结果证明了这一点。
参考来源 - 高斯背景干扰下瞬态信号检测·2,447,543篇论文数据，部分数据来源于NoteExpress
提出了基于局部积分双谱与SVM的雷达目标识别方法。
The method for radar target recognition using local integral bispectrum and SVM is proposed.
由此可利用信号双谱，提取舰船辐射噪声信号的非高斯成份。
Therefore, bispectrum is used to extract the non gaussian ingredients from the noise signals of ships.
但是信号双谱中包含了很多冗余信息，不利于机器进行识别处理。
But bispectrum includes some redundancy information, which is invalid for recognizing emitters with computers.
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