The influences of length, dispersion index and attenuation index of transmission fiber and incident optical power on ber (bit error rate) and Q value of the system is analyzed.
仿真研究了传输信道和光功率对光码分多址系统性能的影响，分析了传输距离、光纤色散系数、光纤衰减、入纤光功率等与误码率和Q值的关系。
The result indicates that the enzyme reaction velocity tends towards steady state with the form of index attenuation or small damped vibration when reaction time is longer.
结果表明，当反应时间较大时，反应速度是以指数衰减或小阻尼振动的方式趋向稳态。
The activity along Qujiang fault after the event is featuring an index attenuation, which is similar to the aftershock attenuation regulation.
曲江断裂的震后活动呈指数衰减，和余震衰减规律相似。
By selecting the phosphor, silicon and mixture ratio, high-power white LED with high brightness and low attenuation is prepared, and the color rendering index (CRI) reaches 95.
通过甄选荧光粉、硅胶以及配比，制备出显色指数(CRI)为95的高亮度、低衰减的大功率白光led。
The dependence of the refractive index of optical fiberes on composition, temperature, warelength, M F D and drawing tension (or drawing temperature) as well as attenuation is described.
叙述光纤折射率与组成、温度、波长、模场直径和拉丝张力 （拉丝温度 ）以及衰减等因素的相互依赖关系。
In low field range, the change of current with time can be simulated by attenuation of power index, and the attenuation coefficient intends to decline with the increase of the applied electric field.
在低场范围中，电流随时间的变化，可以是模拟的幂指数的衰减，并与所施加的电场的增加的衰减系数拟下降。
In terms of the transmission of the radiation at the mediums, which following the Bougver laws of the index rules attenuation and the realistic measure…
根据辐射在介质中的传输是按指数规律衰减的波盖耳定律和实际测试情况，提出了规范的消光系数测试步骤和计算方法。
Attenuation factor of on index function fitting, both poor value error square is 0.000127, indicating that this index function can describe the sun battery array attenuation factor came away.
对衰减因子停止指数函数拟合，两者差值的误差平方和为0.000127，说明此指数函数可以描绘太阳电池阵衰减因子衰降状况。
Influence from Ground Attenuation, Screening, Reflection, Directivity Index.
地面衰减，屏蔽，反射，指向性指数的影响。
The study shows that refractive index, shape and size play important roles in determining the smoke performance of float and attenuation. The method offers a…
研究表明，折射率、颗粒形状和大小在决定红外烟幕的悬浮性能和衰减性能中起重要作用，该原则和途径对红外烟幕的研究和生产具有指导意义。
The study shows that refractive index, shape and size play important roles in determining the smoke performance of float and attenuation. The method offers a…
研究表明，折射率、颗粒形状和大小在决定红外烟幕的悬浮性能和衰减性能中起重要作用，该原则和途径对红外烟幕的研究和生产具有指导意义。
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