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exponential gain
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  指数增益
     The results of infrared spectra of SIn:Fe:LiNbO3 measured showed that OH-absorbing peak shifted to 3503 cm-1. The exponential gain coefficient Γ of SIn:Fe:LiNbO3 measured was 28cm-1, which is higher than In:Fe:LiNbO3 crystal.
     测试SIn:Fe:LiNbO3晶体的红外光谱,OH-吸收峰移到3503.cm~1,测试SIn:Fe:LiNbO3晶体的指数增益系数Γ,SIn:Fe:LiNbO3晶体的Γ值达到28cm~1,高于In:Fe:LiNbO3晶体.
     The result indicates that the exponential gain coefficient of SLN∶Fe crystals reaches to 28 cm -1 , while it is 18 cm -1 for CLN∶Fe;
     测试结果表明 :SLN∶Fe晶体的指数增益系数达到 2 8cm- 1 ,而CLN∶Fe晶体的指数增益系数为 18cm- 1 ;
短句来源
     Doping Sm_2O_3 to Fe∶LiNbO_3,the double-doped Sm∶Fe∶LiNbO_3 crystal has been grown. Using He-Ne laser,the exponential gain,the diffractive efficiency ,the phase conjugative reflectivity and the response time are measured by two-wave and four-wave couplin.
     在Fe∶LiNbO_3晶体中掺入Sm_2O_3,生长出Sm、Fe双掺杂晶体Sm∶Fe∶LiNbO_3,在He-Ne激光下,分别用二波和四波混频方法测试了Sm∶Fe∶LiNbO_3的指数增益系数,衍射效率和相位共轭反射率及其响应时间。
短句来源
     n this paper,the growth of Ce:FE:LiNbO_3 crystal is introduced,and the two-wave coupling exponential gain coefficient and diffractive efficiency were measured, The exponential gain coefficient and diffractive efficiency are very high,and also can be enhanced by temperature.
     本文介绍了Ce:Fe:LiNbO_3晶体的生长,测试了晶体的二波耦合指数增益系数和衍射效率,它具有很高的指数增益系数和衍射效率并且具有温度增强效应。
短句来源
     Eu∶Zn∶LiNbO 3 crystal has been grown by doping Eu 2O 3 and ZnO into to LiNbO 3. The exponential gain coefficients and diffraction efficiency were measured using two wave copling photopath .
     在LiNbO3中掺进Eu2O3和ZnO生长Eu∶Zn∶LiNbO3晶体。 采用二波耦合光路测试晶体的指数增益系数和衍射效率。
短句来源
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  指数增益系数
     The results of infrared spectra of SIn:Fe:LiNbO3 measured showed that OH-absorbing peak shifted to 3503 cm-1. The exponential gain coefficient Γ of SIn:Fe:LiNbO3 measured was 28cm-1, which is higher than In:Fe:LiNbO3 crystal.
     测试SIn:Fe:LiNbO3晶体的红外光谱,OH-吸收峰移到3503.cm~1,测试SIn:Fe:LiNbO3晶体的指数增益系数Γ,SIn:Fe:LiNbO3晶体的Γ值达到28cm~1,高于In:Fe:LiNbO3晶体.
     The result indicates that the exponential gain coefficient of SLN∶Fe crystals reaches to 28 cm -1 , while it is 18 cm -1 for CLN∶Fe;
     测试结果表明 :SLN∶Fe晶体的指数增益系数达到 2 8cm- 1 ,而CLN∶Fe晶体的指数增益系数为 18cm- 1 ;
短句来源
     Doping Sm_2O_3 to Fe∶LiNbO_3,the double-doped Sm∶Fe∶LiNbO_3 crystal has been grown. Using He-Ne laser,the exponential gain,the diffractive efficiency ,the phase conjugative reflectivity and the response time are measured by two-wave and four-wave couplin.
     在Fe∶LiNbO_3晶体中掺入Sm_2O_3,生长出Sm、Fe双掺杂晶体Sm∶Fe∶LiNbO_3,在He-Ne激光下,分别用二波和四波混频方法测试了Sm∶Fe∶LiNbO_3的指数增益系数,衍射效率和相位共轭反射率及其响应时间。
短句来源
     n this paper,the growth of Ce:FE:LiNbO_3 crystal is introduced,and the two-wave coupling exponential gain coefficient and diffractive efficiency were measured, The exponential gain coefficient and diffractive efficiency are very high,and also can be enhanced by temperature.
     本文介绍了Ce:Fe:LiNbO_3晶体的生长,测试了晶体的二波耦合指数增益系数和衍射效率,它具有很高的指数增益系数和衍射效率并且具有温度增强效应。
短句来源
     Eu∶Zn∶LiNbO 3 crystal has been grown by doping Eu 2O 3 and ZnO into to LiNbO 3. The exponential gain coefficients and diffraction efficiency were measured using two wave copling photopath .
     在LiNbO3中掺进Eu2O3和ZnO生长Eu∶Zn∶LiNbO3晶体。 采用二波耦合光路测试晶体的指数增益系数和衍射效率。
短句来源
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  “exponential gain”译为未确定词的双语例句
     104V/cm) exponential gain coefficient ((?)
     10~4V/cm,耦合系数(?)
短句来源
     Approaches to achieving exponential gain in CMOS technology are explained.
     说明了在CMOS工艺下实现放大器增益按指数变化的几种途径。
短句来源
     The results also indicate that, in a piece of gain medium, the cutoff frequency,"the most quickly growing frequency" and the integral exponential gain are variables of the beam intensity, medium gain coefficient and propagation distance.
     在考虑了介质的增益后,截止空间频率、最快增长频率以及最大增长因子不再像原始B-T理论中那样保持不变,它成了和光强、介质增益系数及传播距离有关的一个量。
短句来源
     It is also demonstrated that the AGC systems with exponential gain control characteristic may strictly be transformed into a linear system by using any logarithmic amplifier.
     在比较器和受控放大器之间接上一个对数放大器,就可以使增益控制特性为指数函数的AGC系统严格线性化。
短句来源
     The angle dependence of the self-pumped phase conjugation (SPPO) reflectivity is regarded as a result of the angle dependence of exponential gain TWM in BaTiO3 crystal through measuring and analysing.
     本文通过检测BaTiO_3晶体的二波耦合增益系数P和自泵浦位相共轭反射率R对随入射角的变化关系,经过理论分析指出R的角度依赖性是P的角密依赖性的结果;
短句来源
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  exponential gain
An exponential gain factor Γ=4.7 cm-1, which is much higher than the absorption coefficient (0.6 cm-1), is obtained.
      
With the ratio of Li/Nb increasing, the absorption edge shifts to a shorter wavelength, the exponential gain coefficient and response speed increase, but the diffraction efficiency decreases.
      
The UV-Vis absorption spectra, exponential gain coefficient, diffraction efficiency and response time of the crystals were measured.
      
Taking into account the model for parametric four-wave-mixing processes in photorefractive crystals, exponential gain factors are presented for the scattering patterns and compared with the gain for the scattering background.
      
A two-undulator FEL amplifier for the production of XUV radiation by harmonics generation is analysed in the framework of the exponential gain regime.
      
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In this paper, the basic nature of AGC systems is explained and a new method is presented, which generalizes the expressions for the gain control characteristic of controlled amplifiers. Known as logarithmic sub-region linearization (LSL), this method has many advantages over common sub-region linearization. Using the LSL method, it is demonstrated that any AGC system may be resolved into some linear systems in first order approximation. It is also demonstrated that the AGC systems with exponential gain...

In this paper, the basic nature of AGC systems is explained and a new method is presented, which generalizes the expressions for the gain control characteristic of controlled amplifiers. Known as logarithmic sub-region linearization (LSL), this method has many advantages over common sub-region linearization. Using the LSL method, it is demonstrated that any AGC system may be resolved into some linear systems in first order approximation. It is also demonstrated that the AGC systems with exponential gain control characteristic may strictly be transformed into a linear system by using any logarithmic amplifier. And practical AGC systems may strictly be transformed into some linear systems by using a logarithmic amplifier. Based on the above analyses, the conception on transfer function of AGC systems is presented. Thus, the questions of AGC systems are simplified. In this paper, the stability of some pulse AGC systems is also discussed. The equations for stability condition are derived, and the associated curves are given.

本文提出了一种使受控放大器的增益控制特性表示式普遍化的新方法——对数折线法。证明了任何AGC系统采用对数折线法进行分析时,在一阶近似下可以分解成若干个线性系统;在比较器和受控放大器之间接上一个对数放大器,就可以使增益控制特性为指数函数的AGC系统严格线性化。这就使得复杂的AGC系统问题可以归结为常系数线性非齐次微分方程(或相应的差分方程)的求解。引入AGC系统转移函数的概念可使求解问题大为简化。文中还讨论了一类脉冲AGC系统的稳定性问题,得出了稳定性边界方程式。

Pumped with an A-O Q-switched Nd: YAG laser at 1.06μm, a wideband nonlinear scattering spectrum(0.8-1.9μm) is obtained in a low-loss multimode optical fiber. Discussion shows that the spectrum is generated by stimulated Raman scattering and four-wave mixing. It also shows that due to the effect of loss-spectrum or a fiber on Raman exponential gain, the Stokes shift is somewhat changed for different orders, and this so-called "shift effect" is enhanced in a glass optical fiber because of long interaction...

Pumped with an A-O Q-switched Nd: YAG laser at 1.06μm, a wideband nonlinear scattering spectrum(0.8-1.9μm) is obtained in a low-loss multimode optical fiber. Discussion shows that the spectrum is generated by stimulated Raman scattering and four-wave mixing. It also shows that due to the effect of loss-spectrum or a fiber on Raman exponential gain, the Stokes shift is somewhat changed for different orders, and this so-called "shift effect" is enhanced in a glass optical fiber because of long interaction distance and wide Raman gain.

本文利用声光调Q Nd:YAG激光器的1.06μm输出作为泵浦源,在低损耗多模光纤中获得光谱范围从0.8到1.9μm以上的宽带非线性散射谱。分析表明,宽带散射是由受激Raman散射和四波混频过程产生的。光纤的损耗谱使各级Stokes频移发生改变,这种“频移效应”因长的作用距离及宽的Raman增益而在玻璃光纤中变得显著。

The angle dependence of the self-pumped phase conjugation (SPPO) reflectivity is regarded as a result of the angle dependence of exponential gain TWM in BaTiO3 crystal through measuring and analysing. The theory of double-region coupling of SPPC is explained in detail by using total internal reflection at a corner. It ia pointer that the frequency shift resulted from pump light oscillation between the two interaction regions. The threshold property of forming the SPPC is presented.

本文通过检测BaTiO_3晶体的二波耦合增益系数P和自泵浦位相共轭反射率R对随入射角的变化关系,经过理论分析指出R的角度依赖性是P的角密依赖性的结果;详细地解释了全内反射自泵浦位相共轭的双区域耦合理论,指出位相共轭输出的频移特性是泵浦光在双区域间“振荡”的结果;并解释了自泵浦形成的阈值特性。

 
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