spectral power

Spectral power in detected area of image plane of an image system consisting of a filter

含滤光片的成像系统在像面探测区域内的光谱辐射功率

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Applying the power spectral analysis, the laws of 2.2-year-periodicity can be found. With the method of the degree and time of concentration, we found that hails and cold disasters have a high frequency in spring and floods, droughts and typhoons often happen in summer.

对地震、水灾等6种灾害的功率谱、集中度和集中期分析显示，南通市自然灾害具有2.2年的年际变化规律和春季多冰雹、寒害，夏季多旱涝、台风的年内分布规律；

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Three methods for analyzing and processing the laser scattering signal of bubbles in water, the threshold detection, noise elimination processing and power spectral estimation, are put forward.

提出了阈值检测、降噪处理和功率谱估计三种分析和处理水中气泡激光散射信号的方法。

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It details core algorithm of the instrument including TDR test, frequency response test, digital tracking filter, power spectral density test, load coil detection, DMT test, voltage test, current test, resistance test and capacitance test.

详细阐述TDR测量、频响测量、数字跟踪滤波、功率谱密度测量、加感线圈检测、DMT测量、电压测量、电流测量、电阻测量、电容测量核心算法。

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It is showed that, these sample processes accurately reflect the prescribed probabilistic characteristics of the evolutionary power spectral density function when the number of the terms in the cosine series is large enough;

可以证明，当级数项数足够大时，模拟的样本过程可准确地反映渐进功率谱规定的性质；

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AMI generated code, and for its power spectral density and time-domain waveform.

产生AMI码, 并求其功率谱密度和时域波形.

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Methods of Time Series of Setting up Power Spectral Density of Railway's Track Level Roughness

建立铁路轨道水平不平顺功率谱密度的时间序列方法

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More than 57 spectral lines have a power above 0.5 W at a single line.

单支输出功率在500mW以上的有57支谱线.

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Hence, combining power spectral analysis with chaotic analysis could provide some information for the early prevention, diagnosis and treatment of AN.

因而，结合功率谱法和混沌分析法，可为临床早期预防、诊断、治疗糖尿病AN提供参考。

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Illuminant : A body that gives out light of a definite colour temperature or spectral power distribution.

照明体: 发出一定色温或光谱强度分布的光的物体.

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The globe and local bifurcation diagrams, power spectral density plot of the chaos and the time history plot and phase plane plot of three periodic motions are given, which are instructive to the real design of aircraft structures.

给出了全局分岔图、局部分岔图、混沌运动的功率谱密度图及3种周期运动的时间历程曲线和相平面图，对于实际的飞行结构设计具有重要的指导意义。

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