查询词典 spectral

The spectral response performance of transmission-mode GaAs photocathode after high-temperature activation and low-temperature activation was measured by the use of on-line spectral response measurement technology, and the integral sensitivity and spectral response performance parameters of the GaAs photocathode after high-temperature activation and low-temperature activation were compared.

利用在线光谱响应技术，对透射式GaAs光电阴极在高温激活和低温激活后的光谱响应特性进行了测试，计算并比较了高温激活和低温激活后阴极的积分灵敏度和光谱响应特性参数。

For experimental setup to calibrate spectral radiance by applying a diffuse plane, the measured spectral radiance can be obtained through integral of spectral radiation flux entering the spectrometer.

在利用漫反射板标定光谱辐亮度的实验装置中，标准灯完全可以近似为点光源。通过对进入光谱仪的辐射通量的数值积分，可以对应求出仪器的实测光谱辐亮度的计算公式。

Considering the spectrometer with an array detector,a Gaussian-shaped calibration spectral line's integral sampling model is set up.The condition on which the peak position changes upon the impact of the detector spectral response is studied.And the limitation for the detector spectral response not to shift the peak position to another pixel is given.

为此，针对采用阵列探测器的光谱仪器，建立了以高斯线型为标定谱线轮廓的模型，分析了谱线在探测器上经光谱响应调制及积分抽样后峰值位置发生移动的情况，给出了保证在峰值位置不偏移的情况下探测器光谱响应需满足的条件，特别给出了当仪器分光元件为光栅时，在该条件下结合仪器参数的表达式。

Considering the spectrometer with an array detector,a Gaussian-shaped calibration spectral line's integral sampling model is set up.The condition on which the peak position changes upon the impact of the detector spectral response is studied.And the limitation for the detector spectral response not to shift the peak position to another pixel is given.The limitation's mathematical expression for a spectrometer with a grating is deduced.

为此，针对采用阵列探测器的光谱仪器，建立了以高斯线型为标定谱线轮廓的模型，分析了谱线在探测器上经光谱响应调制及积分抽样后峰值位置发生移动的情况，给出了保证在峰值位置不偏移的情况下探测器光谱响应需满足的条件，特别给出了当仪器分光元件为光栅时，在该条件下结合仪器参数的表达式。

Matlab procedures, higher order spectral analysis, signal spectral analysis method in existence, high spectral analysis of co...

matlab程序，高阶谱分析，信号谱分析的方法一起就存在了，高价谱分析是当代信号处理的主要工具。

Matlab procedures, higher order spectral analysis, signal spectral analysis method in existence, high spectral analysis of contemporary signal processing major tools.

matlab程序，高阶谱分析，信号谱分析的方法一起就存在了，高价谱分析是当代信号处理的主要工具。

Spectral Vision tuning: a tutorial explains the need to burn roots in order to gain spectral vision and difficulty tuning means less spectral vision is required to reach the end of the game

光谱视觉校正：教程解释，需要烧伤的根源，以便获得光谱的远见和困难，调整的手段不足谱的抱负，是需要达到游戏结束

After the brief retrospect of spectral methods applied to get the numerical solutions of partial differential equations, the Walsh spectral methods are extensively studied. A new method of designing the "derivate operator" and a new Walsh spectral method based on quasi-Walsh order are proposed, which primarily prove the special uses of it.

回顾了数值求解偏微分方程的谱方法，比较深入地考察了数值求解偏微分方程的Walsh谱方法，提出了一种新的设计"求导算子"的方法，基于这样设计出来的"求导算子"，提出了一种新的基于类Walsh序的Walsh函数的Walsh谱方法，初步验证了这种序的特殊价值。

Pass numeric computation, the dot on the axis in researching diffractive field and the spectral change that cross section manages and spectral switch phenomenon, and the influence with spectral to point of observation length of be concerned with.

通过数值计算，探究衍射场中轴上点和横截面处的光谱变化和光谱开关现象，以及相干长度对观察点光谱的影响。

Fourthly, it discusses the spectral image loss-less compression by applying thecorrelation and the entropy of the spectral image sequence. It gives and analyses three expressions of imaging spectrometer images, and tells the change in correlation coefficient and entropy for different expressions. At last, it puts forward D2PCM de-correlation method to reduce the spatial and spectral redundancy. This method improves the compression ratio and the compression efficiency, being easy and fast in operation.

根据成像光谱图像的空间、谱间相关性和信息熵的特征，提出成像光谱图像序列的三种表示方法，分析了不同表示方法的相关系数和图像信息熵的变化，并研究出了成像光谱图像的无损压缩方法，即利用D~2PCM方法对光谱图像序列进行去相关处理，同时降低图像的空间和谱间冗余，在提高了无损压缩的压缩比和压缩效率的同时，算法具有简单快速的优点。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。