The phosphate glasses doped with rare earth ions have been widely used in laser mediums and optical filter materials for their outstanding optical and spectrum characteristics.
稀土掺杂磷酸盐玻璃具有优异的光学和光谱特性，在激光介质材料、有色滤光材料等领域中有着重要的应用。
These bulbs are designed to filter out the yellowish spectrum, hence emitting a whiter light which increases visibility at night.
这些灯泡是被设计来滤除黄光谱，因此发出一个白光增加能见度的夜晚。
Digital filter is the basic arithmetic of language, picture processing, model recognition and spectrum analysis.
数字滤波器是语言、图象处理、模式识别以及谱分析中的基本运算的处理运算。
It was found that the transmission spectrum of the filter is the cosine function modulated reflection spectrum of the fiber grating.
结果表明该滤波器的透射光谱是余弦函数调制后的光纤光栅反射光谱。
Spectrum equilibrium filter can compensate high frequency absolutely and has high compensation rate, it can improve the resolution of seismic prospecting to a great extent.
频谱均衡滤波器对高频进行绝对补偿，且具有较高的高频提升速率，可以明显提高地震勘探的分辨率。
The author also makes some Suggestions for frequency selection of digital carrier and parameters selection of spectrum shaping filter.
对数字载波的频率及频谱成形滤波器的特性参数的选择提出了建议。
It includes: stimulus of signal, analysis of signal spectrum, design of filter and PWM signal.
其中包括：激励信号的产生，信号的频谱分析，滤波器设计，PWM信号的产生等。
The wide angle spectrum characteristic of polarization interference filter (PIF) is key to the design and manufacture.
偏振干涉滤光片宽角度光谱特性是设计研制中的关键。
By discussing the filter product cosine operator function and the spectrum of it 's generator, the spectral mapping theorem for the locally equicontinuous cosine operator function is established.
通过对滤子积余弦算子函数及生成元谱性质的讨论，建立了局部等度连续余弦算子函数的谱映象定理。
By using Sampling Theorem, the paper first deduce the characteristics of the first class partial response shaping filter that can be realized on the physical from the spectrum overlap.
文章利用抽样定理，首次由频谱的混叠导出物理上可实现的第一类部分响应形成滤波器特性。
The method of filter difference, which is used to measure X-ray spectrum radiated from laser produced plasma, are studied.
研究了一种测量激光等离子体发射软x光谱强度的新方法——滤波差分法。
The principle, the system concept and the choice of lamp, spectrum, filter of the night sky radiation simulator for the performance evaluation of lowlevellight night vision systems is introduced.
介绍用于微光夜视仪性能评价的夜天光模拟器的原理和系统概念以及对光源、光谱、滤光片等的选择。
Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.
使用相匹配滤波技术提取基阶面波振型的相位，然后再利用时变滤波进行振幅谱校正，以此分离出基阶振型面波信号。
Filter is used to transmit spectrum of definitive broad band in the continuous spectrum or to extract certain radiation in the line-spectra.
光学滤光片在连续的光谱中用于透过一定宽度的光谱带或在线状光谱中提取某些辐射。
The length of two EDFs is optimized to make the transmission spectrum of gain equalization filter easy to be realized.
通过对前后两段铒光纤的长度优化，使得增益均衡滤波器的谱特性易于实现。
The out band spurious spectrum is limited by raised cosine filter in transmitter, and the shadow effect can be removed by combining the signal power of two branches in receiver.
阅读器的反射电路用升余弦滤波器抑制带外频谱，而接收电路可以用功率合成的方法消除的盲点效应。
Analysis of frequency spectrum of human ECG using method of real-time frequency spectrum analysis and filter method is presented.
本文介绍了用实时频谱分析法和滤波器法对人体心电信息作频谱分析。
In this paper, the effect of differential filter on joint power spectrum has been analyzed and so-called power spectrum differential filter is introduced.
分析了微分滤波对联合变换功率谱的影响，得到了一种称之为功率谱形式的微分滤波器。
In this paper, by using DFT filter bank and ZFFT, we present an algorithm of spectrum analysis for the wide band signal.
本文利用DF T滤波器组、ZFFT，提出了一种宽带信号的实时谱分析方法。
The experiments show that it can be used to filter a narrow bandwidth laser light to obtain a narrower output spectrum.
初步实验表明，用它对窄带的光源进行滤波，可以获得线宽更窄的光谱。
The study of surface uniformity of the response of the filter and X ray diode to measure soft X ray spectrum is reported.
介绍了用于软X光能谱测量的滤光片及X射线二极管能量响应均匀性研究。
The spectrum absorption characters of the filter and the neutral glass are measured by this method as an example.
提供了对滤光片和中性玻璃光谱吸收特性的测量结果。
Fixing the spectrum width of the weather echo signals, we change theirs mean Doppler frequency and filter them using regression filter. After filtering, we analyze the attenuation of them.
在天气回波信号谱宽固定的情况下，通过改变天气回波信号的平均多普勒频率，分析了回归滤波器对它的衰减情况。
One theory and arithmetic "dual filter scan" of seeking peak in spectral analysis is brought forward and used for demarcate of spectrum and other analysis.
提出光谱分析寻峰的一种原理和实现的算法“两层扫描筛法”，用于光谱的标定和其它分析。
The precise size filter is deposited with the mask method successfully, the spectrum characteristic is tested through utilizing the optical fibre spectrometer.
通过采用光学掩膜的方法成功制备了符合设计尺寸要求的可见光滤光片，并利用光纤光谱仪测试了滤光片的光谱特性。
The method utilizes an AR model to approach the frequency response of the clutter spectrum "inverted" ideal band-pass filter, and then implements the design of optimal FIR filter.
该方法利用AR模型逼近杂波谱“倒置”理想带通滤波器的频率响应，实现了最优FIR滤波器的设计。
The Baichuan Dalian filter media products are made from many different types of synthetic fibres and each fibre has its own spectrum of characteristics.
大连百川滤料产品由多种合成纤维制成，每种纤维都具有自己的独特性能。
Frequency spectrum analysis and the crossing point of voltage are adopted to control the corresponding filter branch switch.
采用了频谱分析法和电压过零点控制相应的滤波支路投入运行。
A general calculation method to obtain the transmission spectrum of Faraday anomalous dispersion optical filter (FADOF) is presented.
报道了一种计算法拉第反常色散滤光器(FADOF)透射谱的普遍方法。
The memory simulated annealing approach is presented for designing an optical FIR filter based on crystal birefringence, which is able to provide arbitrary spectrum output with double channels.
提出了利用记忆型模拟回火退火算法来进行基于晶体双折射的光学有限脉冲响应滤波器设计的新方法，用以实现任意光谱响应双通道输出。
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