计算了聚光器的性能参数和光纤传输损耗。
The condenser performance parameters and the optical fiber transmission loss are computed.
本文讨论了两种通讯方式的电波传输损耗。
In this paper the propagation attenuations of the radio waves in two different cases are discussed.
从理论上讲，弯曲和形变都会增大光纤的传输损耗。
Theoretically bend and deformation increase transmission losses in the fiber.
本文以制备质量好、传输损耗低的梯度折射率塑料光纤为目的。
The purpose of this paper is to fabricate high quality and low-loss graded-index polymer optical fibers.
给出了光功率在光纤中的传输损耗及各种均匀媒质分界面上的反射损失。
It gives the transmission consumption of light power in light fiber and the consumption of reflection on interfaces of divisional homogeneous mediums have been investigated.
通信技术中，用来使线路间互相匹配以确保传输损耗最小的设备和技术。
In communications,? Equipment? And techniques used to match circuits to each other ensuring minimum transmission impairment.
使用吸氢填充膏可以防止氢气导致光纤传输损耗增加，对光缆起到长期保护作用。
The hydrogen absorbing filling compound can be used to reduce the fiber attenuation caused by hydrogen and protect the optical fiber cable.
并进一步在考虑摄动影响、空间传输损耗等因素的条件下评估了此星座的导航性能。
Moreover, its coverage performance is also evaluated under some factors, such as the geometric dilution of precision (GDOP), orbital perturbation, space transmission loss and eclipse.
电力系统中无功的分层平衡，有利于减少输电路径上无功的流动，降低电网传输损耗。
In the power system of reactive power balance layer, to reduce the flow path, reduce the reactive power transmission loss.
用BPM方法分析了波导结构的传输损耗，用有限元法分析了二维PIN结的电注入特性。
The transmission characteristics of the new waveguide structure were analyzed using BPM method. The finite difference method was employed to analyze the 2D PIN junction injection characteristics.
利用检测单模双折射光纤弯曲传输损耗装置测绘了光纤的弯曲损耗图及光纤弯曲传输模式图。
Using the instrument for the transmission loss of single mode of winding birefringence optical fiber, the spectrogram of loss and the graph of mode density are obtained.
由于强的红外吸收，石英玻璃材料拉制成的光纤或微结构光纤在中红外波段的传输损耗很大。
Microstructured fibers made of silica undergo high loss in transmission due to the intrinsic material absorption in mid-infrared region.
本文计算了对流层散射通信的传输损耗，计算出了在有声波存在条件下，声波对通信损耗的增量。
This paper calculated tropospheric scatter communications transmission loss, and calculated in the presence of a sound, the changes about the communications loss.
详细分析星间通信环境，明确影响星间通信质量的三个模块：空间传输损耗、多普勒频移和噪声模块。
The simulation modules of space transmission lose and Doppler frequency shift are presented based on the result of geometric characteristics analysis.
T104测试线。用于双向传输损耗测量，由远至近噪声测量以及通常用于测试长途中继线的由远至近的噪声。
The T104 test, used for two-way transmission loss measurements, far-to-near noise measurements and near-to-far noise checks is normally used in testing toll trunks.
以硅基光电集成回路为主线，综述了不同的硅基光波导材料的制备技术和硅基光波导的制作工艺及其对光传输损耗的影响。
In this paper different silicon-based materials of optical waveguide and its loss characteristics are introduced, with focus on silicon-based optic electronics integrated circuit (OEIC).
文章综述了测量非线性光学(nlo)聚合物薄膜材料光波导传输损耗的三种新方法及原理，分别给出了典型的实验装置结构图，并对它们的特点进行了比较。
The principles of the common methods to measurement the propagation loss of the NLO polymer film optical waveguide are summarized, and the typical experimental arrangements are presented.
分析了电波的地波绕射传播、视距传播、散射传播和波导传播等四种传播模式，根据ITU - R和GZB建议的模型分别计算了各传播模式的基本传输损耗。
Four propagation models of diffraction, line-of-sight, scatting and duct are analyzed. The basic transmission loss for each of the models is calculated according to the ITU-R model and GZB model.
由于在传输过程中采用高压直流电缆输送的损耗要比传统交流电的损耗小得多，因此采用交流电远距离传送电力很不划算。
Energy losses on DC lines are far lower than on the traditional AC ones, which make transmission of energy over long distances uneconomic.
摘要：电力是能源消耗领域中一种重要的资源，减少电能在传输过程中的能量损耗是电网节能降耗的一个重要方面。
Pick to: electric power is an important field of energy consumption of resources, reduce the energy loss of energy in the process of transmission grid is an important aspect of the energy consumption.
交叉耦合滤波器的综合从给定的传输零点和回波损耗出发，直到得到各腔体之间的耦合系数。
The synthesis of the cross coupled filter is from prescribed transmission zeros and return loss till the attainment of the coupling matrix of each cavity.
将支路损耗合理地分摊给各电网用户是电力市场传输管理的重要内容之一。
Allocating power loss in transmission networks to each participant fairly is one of the important contexts of transmission management.
本文着重从三个方面对电力市场传输管理问题进行了探讨，即损耗分摊、输电费用分配和阻塞管理。
This paper focuses on three aspects of transmission management of electricity market: loss allocation, transmission cost allocation and congestion management.
此外，推导出波导tm、TE模的传输功率、损耗功率、衰减常数、等效阻抗等特征参数的边界元公式。
Furthermore, the formulae of transmitted power, loss power, attenuation constant and equivalent impedance for TM and te modes are deduced.
在上所述的情况中，太赫兹脉冲的有效传输受限于高损耗，或导波的群速度色散。
In all the above cases, the utility for transport of terahertz pulses is limited by the high loss, or by the group velocity dispersion of the guided waves.
众所周知，除了光纤损耗，定时抖动是限制孤子系统传输距离的关键因素。
It is well known that, apart from fiber loss, timing jitter is the key factor which limits the total transmission distance of the soliton system.
高频时，信号在导线表面传输(趋肤效应)，尺寸越小的导线产生的损耗越大。
High frequency, the signal transmission cable surface (skin effect), the smaller size of the Traverse greater loss.
高频时，信号在导线表面传输(趋肤效应)，尺寸越小的导线产生的损耗越大。
High frequency, the signal transmission cable surface (skin effect), the smaller size of the Traverse greater loss.
应用推荐