• 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、入纤光功率等误码率Q的关系。

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  • 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.

    结果表明反应时间较大时,反应速度是以指数衰减阻尼振动方式趋向稳态

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  • 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指数衰减,和余震衰减规律相似

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  • 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指数(CRI)为95的亮度衰减大功率白光led

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  • 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.

    叙述光纤折射率组成温度波长、模场直径拉丝张力 (拉丝温度 )以及衰减等因素相互依赖关系

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  • Influence from Ground Attenuation, Screening, Reflection, Directivity Index.

    地面衰减屏蔽反射指向性指数影响

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  • 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、颗粒形状大小决定红外烟幕悬浮性能衰减性能中起重要作用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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  • 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、颗粒形状大小决定红外烟幕悬浮性能衰减性能中起重要作用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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