return loss
英 [rɪˈtɜːn lɒs]
美 [rɪˈtɜːrn lɔːs]
回路（回波）损耗
双语例句
- Mean echo balance return loss
平均回波平衡返回损耗 - Good insulativity and shielding effectiveness to reduce return loss, complying with RoHS standard.
绝缘和屏蔽性能好，减少回波损耗，符合环保要求。 - 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.
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。 - A Study of Portfolio Index Based on Inverse Return Loss
基于收益率倒数损失的投资组合指标 - Influences of polishing on return loss of optical fiber connectors;
介绍了几种光回波损耗的测量原理和测量方法。 - When the gigabit ethernet work on UTP, it must adopt the4pairs UTP at the full duplex mode, and need to increase some new requirement of performance parameters return loss, NEXT, PSNEXT.
千兆以太网在UTP上运行时，采用4对全双工方式工作，需增加对UTP的回波损耗、近端串扰、功率和近端串扰等新性能参数的要求。 - Analysis of Return Loss Measurement System of Optical Fiber Device
光纤器件回波损耗测量系统分析 - The paper gives the effect of tolerances of design parameters on the cross polarization and return loss of compact corrugated horn and provides the important criteria for designing compact corrugated horn.
并以某星载紧凑式波纹喇叭为例，给出了容差变化对交叉极化和回波损耗的影响，为设计紧凑式波纹喇叭提供了重要的参考依据。 - Transverse displacement loss of fiber connection is analyzed in this paper. A kind of optical attenuator can be designed using the relation between loss and displacement which has simple structure and high return loss.
本文对光纤连接时的横向错位损耗进行了仿真分析，利用损耗与错位量之间的关系，可以设计出结构简单，回波损耗较高的光衰减器。 - Theoretically, we analyzed some influences over the return loss of this kind of attenuator, which are mainly caused by the refractive index discontinuity at the input boundary and the length of air space, and also, we have demonstrated by means of experiments.
从理论上分析了输入端界面折射率失配、空气隙的长短这两个主要因素对衰减器回波损耗的影响，并通过实验进行了验证。 - A new broadband slot antenna with a fan-shaped microstrip feed is presented, and the return loss curve and radiation patterns of the antenna is simulated in this paper.
介绍了一种新型的采用扇形微带馈源的宽带缝隙天线，给出了反射损失曲线和辐射方向图。 - This paper discusses the return loss in air-space type fixed optical attenuator.
本文讨论了空气隙型光固定衰减器的回波损耗。 - The method of decreasing test and measurement error during testing and measuring RF signal spectrum is introduced and several situations of return loss are analyzed in this paper.
介绍测试射频信号频谱时，减小测试误差的方法，分析了回波损耗的各种情况。 - A new kind of RFID antenna which has properties as fractal antenna is proposed. Moment method is used in the analysis of this new kind antenna. The parameters, such as input impedance, return loss, radiation pattern are analyzed.
提出了一种新的带有分形性质的RFID天线，利用矩量法对该天线进行了计算，并分析了输入阻抗、回波损耗、辐射方向图等特性参数； - The additional coupling loss is calculated, and the formulae of return loss of C-Lens collimator are given.
本文计算了C-Lens准直器的附加耦合损耗以及给出了准直器回波损耗的计算公式。 - From the measured result of this model, the comparatively perfect characteristics of relative group time delay and return loss are shown.
从测试结果可以看出，主要通道的相对群时延特性和回波损耗特性与仿真结果符合较好。 - Bevelled pigtail endface adjusted from plane is applied to enhance return loss, so it is important to test the angle of pigtail endface.
为了提高回波损耗，尾纤端面从平端面发展到斜端面。因此，对尾纤端面角度进行检测具有重要的意义。 - The device was measured with good performances on insertion loss, return loss, cross-talk, on-off speed, and so on, demonstrating the feasibility of the design and technology experimentally.
测试表明，该器件具有良好的插入损耗、回波损耗、串扰和开关时间等性能，从而验证了设计思想和工艺的可行性。 - The simulated results of the impedance and radiation patterns are described and the experimental results of its return loss and gain are presented.
文中给出了天线阻抗和方向图的计算结果，并给出了反射损耗和增益的实验结果。 - Application of Spectrum Analyzer to Return Loss Measurement
频谱分析仪在回波损耗测量中的应用 - Secondly, this article introduces the optical collimator's principle fabrication insert loss and return loss, and brings forward the improvement methods of the optical collimator.
其次介绍了光纤准直器的原理、制作工艺、插入损耗和回波损耗的测量方法等内容，并提出了光纤准直器性能改进方法。 - About Return Loss during Using Spectrum Analyzer
频谱分析仪使用中有关回波损耗的问题 - In addition, the industrial measurement analysis is used to analyze the designed test system. With the analysis of insertion loss, polarization dependent loss and return loss, verify the test system is meeting the requirements and can be used in the production.
另外采用了工业测量中的分析方法对设计的测试系统做了分析，通过对插入损耗、偏振相关损耗和回波损耗的分析，验证了该测试系统是满足要求的，可以用于生产测试。 - Nowadays the improving needs of Internet users for the video and audio information promote the Ethernet transmission rate rapidly rising, high-frequency effect ( return loss, crosstalk, etc.) throughout the transmission link has been reflected obviously.
现今互联网用户对于视频和音频信息需求的提高客观上促进了以太网的传输速率迅速提高，高频效应（回波损耗，串扰等）在整个传输链路上已经体现的非常明显。 - The conclusions are as follows: ( 1) The microwave NDT device system on metal plate surface defect can be used for metal plate surface defects with of the positioning, which can be characterized by emission coefficient or return loss.
大致结论如下：（1）利用金属板表面缺陷微波无损检测系统，可实现对金属板表面所含的缺陷（条形缺陷和圆形缺陷）的定位，特征信号为发射系数或回波损耗。 - Finally, the antennas have been constructed according to dimensions obtained from the simulation results. The measured results of the return loss and radiation pattern agree well with the simulated results.
最后，根据仿真尺寸对天线模型进行了制作和测试。回波损耗和方向图的测试结果与仿真结果吻合较好。 - As DWDM network uses the same manufacturers 'equipment, the optical fiber can be directly associated, only need to pay attention optical power, return loss and dispersion and other information without the need for special settings on the device.
由于DWDM干线在组网时均采用相同厂商的设备，不同厂家设备互联互通时通过光纤直联即可，仅需要注意光功率、回波损耗2和色散3等信息，不需要在设备上进行特殊设置。