On the basis of knowing the relative energy distribution of spectrum of light source, the irradiance measuring principle is described.
在知道光源相对光谱能量分布的基础上，阐述了辐照度测量原理。
This apparatus is a multifunction spectrum testing set-up, which suits to measure for infrared detectors the wide range spectral sensitivity and also the distribution of spectral energy.
本装置是一多功能光谱测试装置，适用于对红外探测器作宽范围光谱灵敏度的测量，以及红外光源光谱能量分布测量。
The results indicate that the relative distribution of the field wind wave directional spectrum energy is closely related to the corresponding types of wave state.
结果表明，实测风浪方向谱能量的相对分布与相应的波场类型密切相关。
The distribution of elements at the sulfidation reaction product section of a sodium salt-modified desulfurization agent was analyzed by using the energy-spectrum scanning function of SEM.
利用SEM的能谱扫描功能，对钠盐调质脱硫剂硫化反应产物断面元素分布进行了分析。
Color derives from the spectrum of light (distribution of light energy versus wavelength) interacting in the eye with the spectral sensitivities of the light receptors.
颜色是光谱(与波长相对应的光能)与眼睛里敏感的光线感受器相作用的结果。
The second is the measurement of arrival direction for radio signals, which is to monitor the spatial distribution of radio energy, which is often called spatial spectrum estimation.
第二是对无线电信号来波方向的测量，即是要对无线电信号能量在空间的分布进行监测，这就是所谓的空间谱估计技术。
Proton energy spectrum distribution was simulated. And the average collision stopping power of proton in alanine dosimeter was calculated subsequently.
模拟计算了丙氨酸剂量计中的质子能谱分布，随后计算了丙氨酸剂量计的平均碰撞阻止本领。
Based on the wavelet transform, the present paper introduces a kind of wind waves energy distribution, the so-called local wavelet energy spectrum, into studies of wind waves.
基于小波变换，引入了能刻画风浪局域结构的局域小波能谱。
Based on the wavelet transform, the present paper introduces a kind of wind waves energy distribution, the so-called local wavelet energy spectrum, into studies of wind waves.
基于小波变换，引入了能刻画风浪局域结构的局域小波能谱。
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