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optical filter
Vertaling van "optical filter" in Chinees
光学滤波器
滤光器
有色滤光
光学滤光片
光学过滤器
滤波器
光学滤光
Note that nonideal filter band edge shapes result in a small "guard band" region between spectrum bands that is not available to either the trunk or add traffic. The width of this transition region depends on the selection of optical filter technology.
注意，由于过滤器频带边缘的形状不理想，会造成在干路或上路端流量皆不可用的光谱带之间形成一个小小的"保护带"，该过渡区的宽度取决于选择的光学滤波器技术。
The optical filter on the Drop path provides "drop secu- rity," so that only the allocated portion of the trunk optical spectrum can be received in the branch station.
利用下路端路径上的光学滤波器，保证"下路端的安全"，以便让支路站只能接收到经过分配的干路光谱。
Built-in optical filter for spectral response similar to that of the human eye
内置式滤光器，光谱响应类似于人眼对光谱的响应
A laser anemometer according to claim 28 and also comprising an optical filter.
根据权利要求28所述的激光风速计，还包括滤光器。
If their filter effect lies within the visible light spectrum, optical filter glasses appear to be colored.
如果之前的滤波效应在可见光光谱范围内，有色滤光玻璃就好像被染色一样。
SCHOTT's optical filter glasses include the following filter types in the wavelength range above 200 nm
肖特的有色滤光玻璃包括以下类型（波长范围大于200nm ） ：
Mainly, a bandpass filter is used as an optical filter and is inserted in order to control an oscillation wavelength of the laser.
主要使用带通滤波器作为滤光器并将其插入，以控制激光的振荡波长。
The F-P type tunable liquid crystal (LC) optical filter is a kind of compact tunable filter with narrow bandwidth and low tuning voltage.
型可调谐液晶光学滤波器是一种小体积窄带宽低压调谐滤波器。
An arrangement for space-resolved temperature measurement is known from DE 102004051876 A1, wherein a predefinable processing region of a workpiece can be imaged onto an optical detector measuring in a space-resolved manner, and at least one optical filter that blocks the electromagnetic radiation of one or more laser processing beams is disposed in the beam path between the processing region and the optical detector.
由DE 102004051876 A1中公开了一种用于以局部解析的方式测量温度的装置，其中，工件的一个可预给定的加工区域可在一个以局部解析方式进行测量的光学探测器上成像并且在加工区域与该光学探测器之间的光路中设置有至少一个截止一个或多个激光加工束的电磁辐射的光学滤波器。
Figure 12.20 illustrates the principles of optical filter design for WMUs.
图12.20阐释了波长管理装置中光学滤波器的设计原则。
It is appreciated that the embodiments described in Figs. 5A - 6B may include an optical filter which filters out light of wavelengths outside the range of wavelengths generated by the anemometer before such light reaches detector 426 or array of detectors 427, thereby reducing the amount of background noise received by detector 426 or array of detectors 427.
应理解的是，图5A至6B所示的实施例可包括将波长处于风速计产生的波长范围之外的光在这种光到达探测器426或探测器阵列427之前过滤掉的滤光器，从而减少探测器426或探测器阵列427接收的背景噪声的量。
There is yet further provided in accordance with still another preferred embodiment of the present invention a laser anemometer including a laser, an optical switch having no moving parts and being responsive to a control signal for providing laser beam outputs in various scanning directions, and at least one detector for receiving signals from back scattered laser beam outputs. Preferably, the laser anemometer also includes an optical amplifier. Alternatively, the at least one detector includes an array of detectors. Preferably, the laser anemometer also includes an optical filter. Preferably, the laser anemometer also includes correlation circuitry operative to correlate signals received by the at least one detector.
根据本发明的另一个优选实施例进一步提供了一种激光风速计，所述激光风速计包括激光器；光学开关，无活动部分，对控制信号做出响应，用于在各个扫描方向提供激光束输出；以及至少一个检测器，用于从反向散射激光束输出接收信号。优选地，所述激光风速计还包括光学放大器。可替代地，所述至少一个检测器包括检测器阵列。优选地，所述激光风速计还包括滤光器。优选地，所述激光风速计还包括可用于使至少一个检测器接收的信号相关的相关电路。
Alternatively, the at least one detector includes an array of detectors. Additionally, the laser anemometer also includes an optical filter. Preferably, the laser anemometer also includes correlation circuitry operative to correlate signals received by the at least one detector.
可替代地，所述至少一个检测器包括检测器阵列。附加地，所述激光风速计还包括滤光器。优选地，所述激光风速计还包括可用于使至少一个检测器接收的信号相关的相关电路。
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