查询词典 Wavelength

A photometer for comparing two light radiations wavelength by wavelength.

通过波长比较两种放射物的波长的光度计。注意，注意力集中

It has been successfully used to detect the wavelength of homogeneous light, and being studied on identification of color difference and the measurement of peak wavelength of polychromatic light.

它已成功地用于单色光波长的确定，对复色光峰值波长的确定以及色差辨识方面获得了成功的应用。

While computing radar cross section, surfaces of objects were primarily triangulated, which was called prepositive disposal. The length of the edge of the triangle was generally 0.1 wavelength (in general one wavelength is 3cm).

在雷达散射截面计算中，首先需要将物体的表面进行三角剖分，称为前置处理，三角片单元的边长通常为0.1个波长（一般1个波长取3cm）。

In recent years, the fiber grating external cavity semiconductor laser regarded as one of the candidate light sources of DWDM systems, has received considerable attention. Usually, it is thought that the lasing wavelength of a FGESL is locked at the Bragg reflection wavelength of fiber grating.

由于FGESL的激射波长主要由光纤光栅的布拉格波长确定，因此选择具有合适布拉格波长的FG就能使FGESL的激射波长处于预置波长处；同时，由于FG的布拉格波长受温度变化的影响相对较小(～0.01nm／℃)，因此FGESL与DFB-LD相比具有更高的温度稳定性。

Fiber Bragg grating is a fiber2op tic wavelength modulation device. Using fiber Bragg grating reflection of a certain wavelength which was affected by the parameters of the outside world because of the sensitive effect, a fiber grating sensorwas developed.

光纤Bragg光栅是一种波长调制型光纤器件，利用光纤Bragg光栅反射波长对某外界参量的敏感效应，可以研制出光纤光栅传感器。

The location of reflection spectrum varies with the grating period (corresponding to the Bragg wavelength of FBG), thus, by changing the grating period, the reflection spectrum of SFBG can be shifted by one wavelength spacing or more.

通过改变光纤光栅周期(对应光纤光栅布拉格波长)到适当的值，使超结构光纤光栅谱位移一个或者多个波长间隔，级联多个波长精确定位的超结构光纤光栅，实现了波分复用信道滤波器的宽带滤波。

It is shown in an external quantum efficiency diagram that the planar back surface has the best response to a wavelength between 440 and 1000 nm and the sawed-off back surface has a better long wavelength response.

外量子效率的测量显示，平背表面对440~1000nm的光响应都是最优，截断金字塔背表面有较好的长波响应。

The system controls a tunable fiber Fabry-Perot filter with sawtooth wave voltage and synchronous signal of its digital phase to interrogate FBG sensors in a single fiber. Meantime, a reference FBG and a digital thermometer provide an accurate reference wavelength, which is used to calibrate the wavelength readout of the TFFP in real-time by a digital signal processor.

解调系统利用锯齿波电压信号和数字相位同步信号控制可调谐光纤法布里珀罗滤波器，对光纤光栅传感器阵列进行扫描式寻址，同时采用非测量环境中的参考光栅和数字温度计提供精确的参考波长，并由高速数字信号处理器实时校准滤波器的波长读取值，很好地消除了滤波器调谐的温度漂移、非线性和蠕动性引起的测量误差。

A portable three-wavelength laser scintillometer is developed. By three lasers with wavelength of 473 nm, 532 nm and 671 nm, the TWLS system can simultaneously measure refractive index structure parameter and inner scale of atmospheric turbulence.

研制了一种便携式三波长激光闪烁仪，使用473nm、532nm和671nm三个波长实现了大气湍流内尺度和折射率结构常数的同步测量。

In order to reduce the effect of wavelength drift on measuring spectrum, a simple device was designed for wavelength calibration of PC2000-PC/104 spectrometer using Ocean Optics HG-1 Mercury-Argon Lamp.

为了减小波长漂移对光谱测量的影响，设计了一个简单的装置，并利用海洋光学公司的HG 1汞氩光源对PC2000 PC/104光谱仪进行了波长定标。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。