It includes such operations as contrast enhancement, cropping, scaling, geometric warping, and frequency domain processing.
它包括的操作有对比度增强、剪切、缩放、几何弯曲和频率范围处理。
This notion of inter-domain transformation is useful in many fields of study-for example, moving from the time domain into the frequency domain in the field of signal processing.
这种域间转换的概念在很多领域的学习中都很有用—例如，信号处理领域中从时间域移入频率域。
Through collecting vibration signal and analyzing it in the frequency domain in the condition of changing parameter cutting, a single self power spectrum is hard to detect tool breakage effectively.
在变切削参数的加工工况下，通过对振动信号的采集和频域处理，发现采用单一的自功率谱方法难以有效检测出刀片破损。
Although the filtering method in frequency domain can solve the time variant filtering problem based on Fourier transform, the method may appear a false anomaly in conjunct part between Windows.
频率域滤波方法虽然可解决时变滤波问题，但这种方法是基于傅里叶变换，在窗口与窗口之间的接合部位会出现假异常。
This effect can be measured in either the time domain by observing the rate of decay of voltage or in the frequency domain by measuring phase shifts between sinusoidal currents and voltages.
这个效应可以在时间域通过观测电压的衰变率来测量，也可以在频率域通过正弦电流和电压之间的相变来测量。
Firstly, this algorithm can analyze the frequency domain characteristics of the transmitted signals from IoT's different components.
首先，该算法能分析物联网的不同的组件所发送的信号的频域特性。
The invention relates to a method and a device for demodulating a frequency domain fiber grating sensing network.
本发明涉及一种频域光纤光栅传感网络解调的方法和设备。
Analog frequency domain signals are similar to time domain signals because they also convey information on how the signals vary with time.
在信息传输方面，模拟频域信号与模拟时域信号类似，信号也随时间变化。
We further propose a possible fast hybrid fractal encoding algorithm which combines existing fast search methods, statistical normalization and frequency domain comparison.
接着进一步提出一种可能的快速混合分形编码的算法，该算法将快速搜索方法、统计规范化、频域比较结合起来。
The whole identification process is from coarse to fine and combines geometric features and frequency domain features.
整个识别过程由粗到细，融合了几何特征和频域特征。
The main analytical method of unsteady flow in pipelines includes frequency domain analysis and time domain analysis.
管道中非稳定流动的分析方法主要有频域法和时域法。
Then the time domain analysis methods and frequency domain analysis methods which are frequently used for fault diagnosis have been discussed.
其次论述了常用的故障诊断方法，即时域分析方法和频域分析方法。
The algorithm USES the channel correlation in the frequency domain to greatly reduce the computation complexity and the number of required samples.
利用信道频率相关特性降低了算法复杂度，同时解决了算法对样本数的依赖问题。
One of biggest superiorities of OFDM is that it can do simple frequency domain equalize.
可以进行简单的频域均衡是OFDM最大的优势之一。
The buffeting of Bridges can be analyzed in frequency domain and in time domain.
桥梁的抖振分析，有频域和时域两大类方法。
The correlation of adjacent slices bitrates in frequency domain can effectively reflect the activity of the motion pictures.
此判别法表明，相邻编码帧宏块条码率的频域互相关能够有效反映图像活动性变化的特点。
It is crucial to study the features of the frequency hopping signals in both time and frequency domain in order to detect and trace the FH signals.
对跳频信号的时频域进行分析是研究跳频通信，实现识别、跟踪跳频信号的重要基础。
The frequency domain, the holograph and related concepts have all been used.
频率域、全息及有关的概念都已采用。
In this paper, we have analysed, in the frequency domain, ten bay disturbances and magnetic disturbances in Shaanxi in recent years.
本文从频率域分析了陕西近年来记到的约十个地磁湾扰和磁扰。
Time frequency analysis method is used to analyze the time domain and frequency domain of seismic waves at the same time according to the principle of wavelet transformation.
时频分析方法是利用小波变换原理，从地震波的时间域和频率域同时对其作出分析。
The transmitting boundary in time domain has been applied to frequency domain.
本文将时域透射边界应用于频域。
This paper gives some complementary pictures of the time domain approach and the frequency domain approach in system identification.
本文给出时域辨识与频域辨识相互补充的一些事实。
The dissertation also presents the sensitivity of time domain method and frequency domain method to different kinds of error.
分析了时域法、频域法对不同类型误差的敏感程度。
In the frequency domain pilot channel estimation, this thesis studies the pilot subcarrier and data subcarrier channel estimation algorithms.
在基于频域导频的信道估计中，研究了导频子载波处的信道估计方法和数据子载波处的信道估计方法。
The key idea for the proposed method is to extract the frequency components of the received signal and to perform signal processing in the frequency domain.
其关键思想是提取接收信号的频域成份，然后在频域中对信号进行处理。
It realizes graphics protraction of time and frequency domain in every time period.
它实现了各个信号的时域和频域的图形的绘制。
It realizes graphics protraction of time and frequency domain in every time period.
它实现了各个信号的时域和频域的图形的绘制。
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