入射狭缝

完成了光栅、光纤、入射狭缝、准直物镜、成像物镜和InGaAs探测器等光路系统核心组件的参数设计。

The key design parameters of the optical system , including grating , optical fiber , the entrance slit , collimating lens , imaging lens and InGaAs detector are obtained .

入射狭缝及光栅固定起来，出射狭缝扫描过罗兰圆。

Entrance slit and the grating are fixed and the exit slit scans across the Rowland circle .

空间调制干涉成象光谱仪中入射狭缝离焦的分析

Analysis of interferogram in spatially modulated imaging interferometer due to off-focus input slit

编码模板是阿达玛变换成像光谱仪的关键部件，用以代替入射狭缝和出射狭缝。

Encoding template is a key component of Hadamard transform imaging spectrometer . It is used to substitute the incident slit and exit slit .

与采用相同口径、相同相对孔径的全息凹球面光栅构成的平场光谱仪比较，在入射狭缝宽度相同的情况下，该光栅所构成的平场光谱仪的分辨率得到明显提高。

Comparing this spectrograph to the one with a holographic concave grating on spherical surface , the former has a higher resolution than the latter has when the widths of the incident slits are same .

从全息凹面光栅几何成象理论出发，用简捷的解析方法研究固定入射狭缝全息凹面衍射光栅摄谱装架二阶圆场和平场成象特性。

From the viewpoint of the geometrical imaging theory , the second order circular and flat field imaging properties of holographically concave diffraction grating spectrographs with a fixed entrance slit and the circular or flat field image are investigated by use of a straightforward analytics .

本文在ICP－AES所装置的固定通道的基础上，运用改变入射狭缝角度的办法，扩展了硅、磷、铌和钛元素的测量通道，入射狭缝角度的改变由步进马达控制。

This article introduced the increment of measurement channels for the elements silicon , phosphorus , niobium and titanium by changing the entrance slit angle , based on the fixed channels of the ICP AES . The entrance slit angle was controlled by a motor .

为了研究倾斜冲击射流的流场结构和传热性能，采用SIMPLE算法和RNGk-ε湍流模型，对三种入射角度下的狭缝湍流冲击射流进行了数值模拟。

Turbulent impinging slot jets at three different angles were analyzed numerically using the SIMPLE algorithm and an RNG-based k - ε turbulence model to investigate the flow field structure and heat transfer characteristics .