free filter range (FFR)是什么意思

网络释义

用法例句

Relation between the magnetic induction B andthe free spectral range of F-P etalon;

磁感应强度B与F-P标准具自由光谱范围的关系

Based on grating equation on arrayed waveguide grating of N×N wavelength multiplexer,this paper analyses the dispersion principle of AWG,deduces signal channel spectral range Δ f ,free spectral range,spectral response functionand fullwidth at half maximum theoretically,and points out the spectral response of AWG is determined with Gaussian distribution.

从 N× N波分复用器阵列波导光栅的光栅方程出发 ,讨论了阵列波导光栅的色散原理 ,并进行了理论推导 ,得到了信道间隔Δf、自由光谱范围和频率响应函数 ;其光谱响应曲线表明 ,阵列波导的频响等效为一高斯带通滤波器 。

Based on the theory of Zeeman effect and free spectral range of Fabry-Parot etalon, asimple method for measuring wave number defference and specific charge is designed.

根据原子光谱线在外磁场中的分裂特点和法布里－珀罗标准具的自由光谱范围，导出了一种在塞曼效应实验中测量分裂谱线波数差和电子荷质比的简单方法，并给出了应用实例。

The results indicated that the free spectrum ranges(FSR) were 28 nm,16 nm and 9.

5μm、跑道长度为3μm的环形谐振腔的自由频谱范围分别为28nm、16nm和9。

This paper mainly introduces the operation principle、the choose for FSR(Free spectrum Range) of DI\'s key parameter、transmission curve、control principle and control methods of high capacity、long distance and span optical transmission system DPSK(Difference Phase-Shift-Keyed) optical demodulator delay line interferometer(DI).

本文主要介绍了用于大容量、远距离、长跨距光传输系统DPSK(差分相移键控)的光解调器延迟干涉仪(DI)的工作原理、其关键参数FSR(自由频谱范围)的选取、特性传输曲线、控制原理以及控制方法。

This paper expounds market scope of two rival tourist destinations and especially analyzes market scope of the weaker tourist destination through founding a model of tourist origining market and developing the model in repeated behavior.

本文通过构建旅游市场区划模型,并在重复行为下进一步发展,从而对两个竞争旅游地的市场范围划分做出理论阐释,并着重对弱势旅游地旅游开发的市场情况做了分析。

First, the market scope should be expanded from an internal market to a generalized banking personnel market.

一是市场范围应该从局部市场向统一的金融人力资源市场过渡 ;二是竞争规则应该从官本位向职业银行经理选拔过渡 ;三是激励机制应该从短期边际效益定价向长期预期定价过渡。

You must select a market to continue. Press Continue to select a market.

必须选择一个市场范围才能继续。请按“继续”以选择市场范围。

E-Commerce, Transaction Efficiency and Extending Scope of the Market;

电子商务、交易效率与市场范围扩大

First,the work of human is the result of abstract average within the international market extention.

一是人类劳动是在国际市场范围内抽象平均的结果;

An Empirical Study on the Measurement and Reasonable Range of the Bubble in China's A-Share Stock Market

中国A股市场泡沫测度和合理范围研究

The company be have difficulty selling into a shrinking market .

该公司要打入范围正在缩小的市场是有困难的。

Scope Management in Olympic Markwting Project;

奥运前北京移动市场营销项目的范围管理研究

Status quo and Solvent of the Markets for Watershed Services Worldwide;

世界范围内流域服务市场发展现状及对策

On Limitations of Market Economy to Scope of Administrative Examination and Approval of Public Security;

试论市场经济对公安行政审批范围的制约

On regulation of patent validity extent in market competition mechanism;

论市场竞争机制中专利效力范围的界定

Market size,scope economies and supply chain clustering possibility

市场规模、范围经济与供应链聚集可能性

The activities of the international marketing researcher are frequently much broader than those of the domestic marketer.

国际市场研究者的活动范围常常较国内市场研究者广阔。

38. The activities of the international marketing researcher are frequently much broader than those of the domestic marketer.

38. 国际市场研究者的活动范围常常较国内市场研究者广阔。

As the reform further develops, the scope for mandatory state plans will be narrowed, while the scope for market forces will be enlarged.

随着改革的深化，国家指令性计划的范围将会缩小，而市场调节的范围将会扩大。

For the establishment of a unified national market, the local pricing scope will be strictly limited according to Article 18 of the Price Act.

地方定价的范围要严格限定在《价格法》第十八条规定的范围内，以确保全国统一市场的形成。

It may involve product development, but rarely involves initial marketing.

使用的范围可以包括产品开发，但很少用于初期市场运作。

He feels that insufficient market was done and only in a limited area.

他认为那只是在小范围内作的不充分的市场调查。

Range set at 10m to optimize for target market of mobile and business user.

10公里是最适于移动通信市场和商业用户的通信范围。

"It shows the great interest of both Chinese and Singapore businessmen in working together, both in the China market and beyond. "

可见两国商界人士都有兴趣在中国及更大范围的市场上共同合作。