查询词典 spot

Because of wide spectrum bandwidth of the mode-locked laser, When the AOD works, the light spot of the 1 st diffraction order will be distorted by significant angular dispersion, thus reduces the spatial resolution of the image.

研究表明：由于飞秒激光在锁模情况下具有较宽的光谱带宽，经过AOD后的一级衍射光斑带有严重的角色散，导致光斑形状发生畸变，影响成像的空间分辨率。

Spectrum control technology and its application researchBasic theory of smoothing by spectral dispersion in high-power laser system was studied. Periodical frequency modulation was obtained by chirped pulse stacking, and novel special gratings were proposed here to obtain angular spectral dispersion and temporal smoothing of focal spot.

并在国际上首次成功地应用于激光聚变高功率激光系统中。3、激光脉冲光谱控制技术及应用研究研究了高功率激光光谱色散平滑的基本理论，提出利用堆积啁啾脉冲的周期性光谱调制特性和新颖特殊光栅实现光谱角色散和激光束远场焦斑的时间平滑。

We firstly bring forward and realize technologies of arbitrarily shaping laser pulse in the time domain by chirped pulse stacking, programmablely shaping spatial intensity by crystal liquid diaphragm, focused spot smoothing using angular spectrum dispersion by special gratings and detecting and compensating the small patch wave front aberration. Precise, programmable, efficient and \'all parameters\' condition of high power laser system has been obtained.

首次提出并实现了啁啾脉冲堆积型的时间波形任意整形；液晶光阀可编程光强空间整形；特殊光栅光谱角色散焦斑束平滑和小尺度波前畸变的探测和补偿，从而对高功率激光系统的激光束实现了高精度、可编程、有效的"全息"控制。

According to the interference signal′s phase and light spot′s offset, the angular displacement is measured.

根据干涉信号的相位和光点偏移量可以计算出被测物体的角位移。

In order to solve the problem that the paths of angular distribution at focus plane and beam spot at image plane can not be measured at the same time,an advanced measurement of optical transition radiation was proposed.

为了解决理论测量中，光学渡越辐射焦平面的空间角分布与像平面的束剖面光路互相影响，难以同时测量，提出了一种新型的光学渡越辐射光学特性的测量方法。

However you attach the wire, the spot where the wire touches will not anodize.

然而，你附加线，点线接触的地方不会阳极处理。

By late September, Antares will be tough to spot in the southwestern twilight after sunset.

在九月下下旬，当太阳下山，黄昏来临的西南部，心宿二就将很难被发现了。

We have been led to the cross of Christ—our shackles of guilt have been broken off; we are no longer slaves, but children of the living God, and can antedate the period when we shall be presented before the throne without spot or wrinkle or any such thing.

我们不再是奴僕，而是永活真神的儿女。我们能预尝而那日站在宝座前的时光。

The result shows that the correct discrimination of cucumber anthracnose, cucumber brown spot and healthy region were 96.67%, 93.33% and 100%, respectively.

结果表明，对黄瓜炭疽病、黄瓜褐斑病和无病区域的正确回判率分别达到96.67%、93.33%和100%。

Using stepwise discriminant analysis to select significant parameters, and the bavesian classifier method was proposed to classify cucumber anthracnose, cucumber brown spot and healthy region.

采用逐步判别分析，选取显著性较大的特征参量，建立起黄瓜炭疽病、黄瓜褐斑病和无病区域的分类器模型。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。