Laser holography is a kind of three-dimensional photographic technique to record the scene reflected light amplitude and phase information.
激光全息摄影是一种能够记录景物反射光的振幅和相位信息的立体摄影技术。
Image feature detection is the basis of the techniques and applications of image processing. However, the use of phase information for image feature detection is a new research focus.
图像特征检测是图像处理技术与应用的基础，而利用相位信息进行图像特征检测是新的研究方向。
But the two methods only used frequency information, ignored phase information.
而这两种方法只用到了频率信息，忽略了相位信息。
It is necessary to reconstruct phase model on the basis of finite phase information.
需要根据已有的相态测试资料对地层流体模型进行重构。
The reconstruction methods of phase information "Frozen" in an electron hologram are discussed.
讨论了“冻结”在电子全息图中的位相信息的再现方法。
The perceptual effect of the phase information in speech has been studied by auditory subjective tests.
通过主观听觉测试实验，研究了语音信号中相位信息对人的听觉感知的影响。
Interpolation technique is used to solve the problem of phase information missing generated by weak sequence signal.
相位插补技术主要用于解决因弱信号段而产生的相位信息缺失的问题。
Then discussing the phase information and Doppler characteristic of target echo wave in the pulse Doppler phase radar.
并且讨论了在脉冲多普勒相参体制雷达下目标回波的相位信息以及目标信号的多普勒谱特性。
We describe a subfringe integration interferometry for which the phase information is evaluated only from one interferogram.
叙述了次条纹积分干涉计量的原理，仅用一幅光载频干涉条纹图获取全部位相信息。
Based on the amplitude and phase information, PI algorithm was used to control the amplitude and phase of the inverter current.
在此基础上，通过PI算法实现并网电流幅值和相位的跟踪控制。
A method which makes use of the phase information of spectrum of radar echo amplitude signal to make azimuth super resolution is given.
本文介绍了一种利用雷达回波幅度信号频谱相位信息进行角度超分辨的方法。
The retrieved phase information has been used to reconstruct the acoustic band structures, agreeing well with the theoretical calculations.
并利用这些相位信息重建了声子晶体的色散关系，和理论计算吻合得很好。
Joint frequency and phase modulation (JFPM) utilize frequency and phase information to realize higher efficiency in the frequency and power.
联合频率相位调制(JFPM)同时利用频率信息及相位信息，具有较高的频带利用率和功率效率。
It preserves the phase information of signals while effectively reducing Gaussian noise, thus it can analyze the non-linear phase coupling of signals.
双相干谱分析是一种随机信号的现代分析方法，它保留了信号的相位信息且能有效地抑制高斯噪声，描述信号的非线性相位耦合。
In the experiment the amplitude of Fourier transform of object is modified to reduce the intensity dynamic range, while phase information is preserved.
据此我们修改了待识别物体的傅里叶变换的振幅，以减小光强度的动态范围。
A method, correlation algorithm, was promoted to detect phase information in lock-in thermography nondestructive testing in order to reduce sample images.
为了减少图像序列采集数量，针对相位法红外热成像检测提出了获取热波信号相位信息的方法，即相关检测算法。
The azimuth and elevation of the incident sources can be estimated respectively from the amplitude and phase information of the eigenvalues of the new matrix.
利用虚拟累量域波达方向矩阵的特征值的幅值和相位信息，就可以求出信号源的方位角和俯仰角。
So an edge detection method based on phase information is presented, which is more efficiency in detecting the NOSM image edges than the method based on intensity.
针对这种情况，本文提出采用基于相位信息的边缘检测方法，克服了基于图像强度信息进行边缘检测的不足，有效地提取了近场光学图像的边缘信息。
Hilbert transform is used to obtain the accurate phase information and the ammunition travel can be calculated using its linear relationship with phase information.
该算法利用希尔伯特变换获得精确的相位信息，并利用相位与弹丸行程存在的线性关系，计算出弹丸的行程。
Microwave phase discriminator (MPD) is used to translate the phase information to amplitude information which easy to be processed by the theory of phase interference.
微波鉴相器建立在相位干涉的原理之上，通过相位干涉把相位信息转化成便于处理的幅度信息。
The simulation model is validated through waveform or frequency spectrum comparisons of two original pulse signals and restructured signals utilizing phase information.
通过对两种原始信号与利用相位信息进行重构得到的信号进行波形或频谱的比较，验证了这种多比特相位量化仿真模型的正确性。
A novel method is proposed in this paper by research on complex wavelet, in which phase information of complex wavelet transforms is used to detect frequency and harmonics.
本文通过对复小波的研究发现复小波变换的相位信息能用于频率检测和谐波分析，提出了基于复小波变换相位信息的频率和谐波检测新算法。
Digital correlation method was used to extract phase information as the phase information of eddy current testing signals could reflect the characteristics of detecting system.
涡流检测信号中的相位信息能反映检测系统的某些特性，讨论用数字相关法提取相位特征信息。
A bottom detection method used in the multibeam bathymeter sonar is introduced. The method is based on the separate aperture method, which is associated with phase information.
介绍了一种建立在与相位信息相联系的分离孔径方法的基础上的、用于多波束测深声纳的海底探测方法。
This method preserves the signals phase information and inhibits the noise effectively. The calculation dimension is reduced and the algorithm is simplified by using this method.
该方法保留了信号的相位信息，并且能够有效地抑制噪声，在降维的同时简化了算法。
Because complex wavelet transforms can exactly identify amplitude and phase information in signal to be dealt with, they are suitable for detection of fault signals in power system.
复值小波变换能准确分辨出信号中所包含的幅值信息和相位信息，因而，适用于电力系统的故障信号的检测。
Different from conventional CGHs, the pure-phase information on the hologram plane is loaded on the SLM to reconstruct the 3d diffusive objects without considering the reference wave.
与传统的计算全息图不同，该方法将全息图平面的纯位相信息加载到空间光调制器上来重建三维漫射体，而没有引入参考光波。
Phase information is one of emphasis characters in the power system orthogonal or biorthogonal complex wavelet is strong means to extract phase information in the power system in time.
相位信息是电力系统的一个重要特征，正交或双正交的复小波是实时提取电力系统中相位信息的有力手段。
Phase information is one of emphasis characters in the power system orthogonal or biorthogonal complex wavelet is strong means to extract phase information in the power system in time.
相位信息是电力系统的一个重要特征，正交或双正交的复小波是实时提取电力系统中相位信息的有力手段。
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