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频率扫描范围
相关语句
  frequency scanning range
     The frequency scanning range of the cw ring dire laser has the maximum value △λ_(s max) and the minimum value △λ_(s min).
     连续波环形染料激光器的频率扫描范围存在着最大值△λ_s max和最小值△λ_s min。
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  “频率扫描范围”译为未确定词的双语例句
     A novel frequency response analyzer working in radio frequency ranged from 100 kHz to 400 MHz is introduced. The low cost equipment is based on logarithmic amplifier, direct digital synthesizer and micro-controller technologies. The measurement results are shown in a CPLD monitor and can be transferred to computer through RS232 port as well as stored in its internal memory.
     利用对数运算放大器、高速直接数字合成器、微控制器和CPLD等技术设计成结构新颖的数字化频率特性分析仪,频率扫描范围100kHz~400MHz,测量结果可在液晶屏上显示并通过RS232接口送到外部计算机.
短句来源
     The loss angle decreased with the increase of frequency. Modified PBS showed lower viscosity and obviously enhanced shear thinning extent compared with that of linear PBS.
     较之线形PBS,枝化PBS的动态黏度在频率扫描范围内都有所降低并使切力变稀现象更加明显.
短句来源
  相似匹配句对
     The scope and the type of frequency adverbs
     频率副词的范围和类别
短句来源
     and the spectrum range of the scan was 30-460 u.
     扫描范围:30-460 u。
短句来源
     (4) There was increasing in its frequency and scale;
     (4 )频率增多 ,范围扩大 ;
短句来源
     The result was that tuning fork could be used as Space Frequency Modulator under the condition of scanning range being not large.
     得出结论:在扫描范围不大时,音叉可以作为空间频率调制器。
短句来源
     A typical frequency sweep rheogram of nonionic surfactant liquid crystal can be observed at a moderate temperature range.
     中等温度范围内表现出典型的非离子表面活性剂层状液晶的频率扫描曲线形式。
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The frequency scanning range of the cw ring dire laser has the maximum value △λ_(s max) and the minimum value △λ_(s min). △λ_(s max) is the free spectral range of the scaning Fabry-Perot etalon, △λ_(s min) is related with the matching degree of the all frequteney selectors in the ring cavity.

连续波环形染料激光器的频率扫描范围存在着最大值△λ_s max和最小值△λ_s min。△λ_s max就是扫描标准具的自由光谱范围;△λ_s min的大小是与环形腔中各个频率选择元件之间的匹配程度有关的。

A novel frequency response analyzer working in radio frequency ranged from 100 kHz to 400 MHz is introduced. The low cost equipment is based on logarithmic amplifier, direct digital synthesizer and micro-controller technologies. The measurement results are shown in a CPLD monitor and can be transferred to computer through RS232 port as well as stored in its internal memory. 

利用对数运算放大器、高速直接数字合成器、微控制器和CPLD等技术设计成结构新颖的数字化频率特性分析仪,频率扫描范围100kHz~400MHz,测量结果可在液晶屏上显示并通过RS232接口送到外部计算机.

The rheological properties of linear PBS and branched PBS samples with different Mw were studied by Rheological Scientifics rheometer in the parallel plate geometry,and the following conclusions were made: Dynamic viscosity of linear PBS decreased with increase of temperature and frequency while storage modulus increased with enhancement in frequency under the measuring temperature.The loss angle decreased with the increase of frequency.Modified PBS showed lower viscosity and obviously enhanced shear thinning...

The rheological properties of linear PBS and branched PBS samples with different Mw were studied by Rheological Scientifics rheometer in the parallel plate geometry,and the following conclusions were made: Dynamic viscosity of linear PBS decreased with increase of temperature and frequency while storage modulus increased with enhancement in frequency under the measuring temperature.The loss angle decreased with the increase of frequency.Modified PBS showed lower viscosity and obviously enhanced shear thinning extent compared with that of linear PBS.When the frequency was under 40rad/s,effect of branching on both the storage modulus(G′) and loss modulus(G″) of PBS is randomly,but after that frequency,they all decreased with the increase of the degree of branching.Furthermore,the scopes of plots of ln G′ against ln G″ of modified PBS were less slightly than that of linear PBS,which suggested that modification made the melt a little more heterogeneous.

通过平行板流变仪,研究了不同分子量的线形和枝化PBS(polybutylene succinate)的流变性能.得到以下结论:线形PBS的动态黏度随着频率和温度的升高而下降,且在所测的温度下,其储能模量G′随频率的增加而增大,而损耗角随频率的增加而减小.较之线形PBS,枝化PBS的动态黏度在频率扫描范围内都有所降低并使切力变稀现象更加明显.当频率在40rad/s下,枝化对PBS储能模量G′和损耗模量G″的影响并不规律,但是当频率增大后,则随着枝化程度增大而减小.且枝化后样品的lnG′对lnG″曲线的斜率有所降低,表明枝化后熔体变得更加不均匀,各向异性增加.

 
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