介绍了双谱的概念和有关性质。
This paper introduces the concept of bispectrum and its some properties.
这里用AR双谱研究磁流变振动装置的动态特性。
Ar bispectrum are put forward for investigating the dynamic characteristics of the magnetorheological vibrant device.
提出了在立体显示过程中实现双谱图像的假彩色融合；
Secondly, similarities and differences of dual-band image fusion and stereoscopic display are analyzed.
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.
由于采用了双谱技术，脑电背景噪声的影响得到有效的抑制。
The effect of the back-ground noise is effectively rejected due to the bispectral technology.
进一步分析双谱相位信息，可以确定单缸断油时的故障缸位置。
Moreover, through analyzing the information of bispectrum phase, the fault cylinder position can be pointed out in misfire fault.
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.
以双谱分析理论为基础，分析并计算了不同振动信号的选择双谱。
The theory of bispectra analysis is reviewed and vibration signal selected bispectra for vehicle shock absorber are plotted.
双谱、相干分析是流体力学研究中一个有效的、可或缺的技术手段。
It is proposed that bispectrum and bicoherence is an effective and necessary tool in nonlinear fluid mechanics .
研究了海面的红外与激光双谱散射模型，建立了海面的后向散射模型。
Meanwhile, we study the infrared and laser bispectrum model of oceanic surface and build the backscattering model of the oceanic surface.
结果表明，双谱和倒双谱分析方法对识别齿轮故障是可行的、有效的。
Experimental results showed that bispectrum and bicepstrum were feasible and effective for gear fault diagnosis.
本文在原有利用双谱对二次相位耦合进行分析的基础上，提出了维谱分析方法。
In this paper, instead of using the bispectrum to detect the quadratic phase coupling, a new method based on -dimension spectrum is developed.
理论计算表明，对不同性质的地震子波，均可从理论地震记录的双谱中重构子波。
Theoretic calculation show that wavelet can be reconstruct from double spectrum of theoretical seismic data for seismic wavelet with different characters.
提出一种在平稳随机噪声中检测暂态信号的循环双谱切片方法，同时给出仿真结果。
The method of detection on transient signal by the slice of cyclo bispectrum in stationary random noise is proposed in this paper, simulation results are presented also.
本文从信号高阶累积量的角度出发给出了一种基于地震信号双谱的高分辨率处理方法。
The paper gave a high resolution processing method based on double spectrum of seismic signal from Angle of higher order accumulated amount of signal.
双谱是一种平移不变的特征，含有丰富的相位信息，但它是二维函数，不利于模板匹配。
Bispecra is a translation-invariant character, contain abundant phase information, but it is two dimension, and misfit board match.
最后给出的计算机模拟测试结果表明，双谱法比功率法具有更高的检测分辨率和抗噪声能力。
The simulation experiment shows that the bispectrum method has the advantage of high testing sensitivity and insensitivity to noise.
最后给出的计算机模拟测试结果表明，双谱法比功率法具有更高的检测分辨率和抗噪声能力。
The simulation experiment shows that the bispectrum method has the advantage of high testing sensitivity an…
双谱法通过采用模式识别的方法对地震序列的双谱提取特征，通过降维实现裂缝发育带的检测。
The method of bispectrum can extract characteristic of seismic series bispectrum and detect fracture zones by decreasing dimensions.
该文对双谱假彩色微光电视系统的原理进行论述，探讨了实现双谱假彩色微光电视系统的有关技术。
This thesis puts emphasis on study on principle and technology of two colour false colour low light level TV system, pursuing the related techniques of realizing.
研究结果表明，归一化双谱对角切片与K - L变换相结合的方法是提取中医脉象信号特征的有效方法。
The research result shows that the method of the diagonal slice of the normalized bispectrum magnitude and K-L transform is an effective method for extracting features from Chinese pulse signals.
分析结果显示，驾驶不同时刻的脑电双谱结构有很大差异，表明双谱分析方法有望成为驾驶疲劳检测的一个指标。
The results show the bispectrum of EEG are very different at different times, so bispectrum can be used for the detection of driving fatigue.
在提取了水下目标信号的双谱特征的基础上，利用BP神经网络对五类水下目标信号的双谱特征进行分类，得到了较高的识别率。
Classifying five target signals underwater base on the bispectrum features through BP neural networks, the targets are identified properly with high efficiently.
针对齿轮箱升降速过程中振动信号非平稳的特点，将常规的阶次分析与双谱分析技术相结合，提出了基于阶次双谱的齿轮箱故障诊断方法。
In order to process the non-stationary vibration signals such as speed up or speed down signals effectively, the order bispectrum technique was presented.
为双钢琴而作的第3弦乐四重奏缩编谱。
为双钢琴四手联弹而作的第4弦乐四重奏缩编谱。
Reduction of String Quartet no. 4, for two pianos four hands.
为双钢琴四手联弹而作的第13交响曲缩编谱。
为双钢琴四手联弹而作的第13交响曲缩编谱。
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