insertion loss

A kind of silicon micromachine F-P cavity variable attenuator is introduced. Basic structure and basic principle is described. It has advantages of minuteness volume, low insertion loss, high adjustment precision.

一种新型的硅微机械FP腔可变衰减器，具有体积小、插入损耗低、调节精度高等优点，介绍了其基本结构、基本原理。

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Specialties: Small Dimension , Low Insertion Loss , High Restraint Outside the Band and High Reliability.

特点: 可实现的滤波器的体积小, 插入损耗小, 还外抑制高,可靠性高.

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An ultra low insertion loss GaAs MMIC RF SPDT switch based on full-ion-implantation technology is reported.

报道了利用离子注入技术研制出一种用于手机的超低插损砷化镓单片射频单刀双掷开关.

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When calculating insertion loss by BEM, materials of barrier, shape of barrier and ground surface type can be involved.

边界元法计算插入损失时可以考虑声屏障各部分具体材料、形状及地面类型。

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Low-insertion loss, high return loss and high slope selectivity are simultaneously required for filters.

滤波器要求同时满足低插入损耗 、 高回波损耗和高频率选择斜率性能要求.

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Insertion Loss . The attenuation of signals being routed through a switching card.

插入损耗被路由信号通过开关卡的衰减.

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The gain variation of ± 3 dB in an EDFA is reduced to ± 0.3 dB over a bandwidth of 30 nm and the total extra insertion loss of the device is less then 0.3 dB.

该器件使掺铒光纤放大器在30nm带宽上的增益谱波动从±3dB减小为±0.3dB，器件的附加损耗小于0.3dB。

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Because a passive filter can have insertion loss, it may be necessary to lower the166XL's THRESHOLD setting to maintain a given amount of gain reduction within the filter passband;

因为一个无源滤波器存在频幅衰减，在通频带内，它必然降低166XL的压缩阀值设置，继续维持特定的增益衰减；

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High temperature superconductors microwave devices provide the advantages of lower insertion loss and lower noise figure.

高温超导微波器件具有极低损耗和极低噪声的优良特性.

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Due to the frequency selectivity and high insertion loss of SAW device, the input must be high pulse whose spectrum width can cover the center frequency of SAW tap delay line.

由于SAW器件具有频率选择性及较高的插入损耗，使得它的输入必须为高脉冲且脉冲的频谱宽度能覆盖SAW抽头延迟线的中心频率。

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The actuation voltage of the fabricated 3-resonance point switch is 7 V, the insertion loss is 0.69 dB@ 10.4 GHz, and the isolation is 30.8 dB@ 10.4 GHz. The performance is far better than traditional single-resonance switch at frequency lower than 13.5 GHz.

三谐振点开关的在片测试结果为：驱动电压为7V，开态的插入损耗为0.69dB@10.4GHz，关态的隔离度为30.8dB@10.4GHz，其微波性能在0~13.5GHz频段下优于类似结构的传统单谐振点开关。

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This method can not only estimate efficiently the noise barrier insertion loss but also optimize the incline angle parameters in accordance with the actual requirements. It provides an effective design basis for applied engineering.

该方法不但可以方便地预估出声屏障的插入损失，而且可以根据实际要求对声屏障折壁角的参数进行优化设计，为工程应用提供一种有效的设计依据。

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This A-O Q-swith uses the dense flint glass as the A-O medium. It has an A-O interactive length of 15 mm and the diffraction efficiency is up to 80%, but the insertion loss is only 8%.

该声光Q开关采用重火石玻璃作声光介质，其互作用长度仅为15mm，衍射效率高达80%，插入损耗仅为8%。

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The numerical results for bismuth doped yttrium iron garnet film show that the induced uniaxial anisotropy contributes to increasing the excitation efficiency and excitation bandwidth and lowering the insertion loss under obliquely bias field.

数值计算表明，在适当的倾斜磁场下，掺铋钇铁石榴石薄膜中的感生单轴磁各向异性能够显著降低静磁正向体波的插入损耗、增加激发带宽。

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Sonar dome insertion loss The bedcover was quilted in a flower design.

声呐导流罩插入损失床罩被缝成花卉图案。

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Practically: Including connector, balun insertion loss and amplifier gain.

实际: 包含接头 、 平衡非平衡转换器损失、放大器增益.

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High-Q tuned LC filters will have more insertion loss.

高Q值调谐LC滤波器会有更多的插入损耗.

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Some of these considderationsinclude insertion loss, cross talk, propagation delay , and unterminated stubs.

需要考虑的因素包括插入损耗 、 串扰 、 传输延迟和未端接短截线.

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Due to insertion loss, the signal may require amplification.

由于存在插入损耗, 所以信号可能需要放大.

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Feature: Excellent insertion loss and return loss, Frequency response width, Low loss.

特点: 具有极佳的插入损耗和回波损耗, 频率响应宽, 损耗低等特点.

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The test results showed the predicted insertion loss agreed well with the measured value.

试验结果表明,插入损失的预估值与实测值相符.

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The experimental results confirm that the insertion loss, BAW suppression, passband ripples and receiving loss of the wavelet reconstruction device using the new scheme are remarkably improved using early schemes.

实验结果表明，用新方案实现的小波重构器件比用早期方案实现的小波重构器件在插入损耗、体声波抑制、通带波纹和接收损耗方面均有明显的改善。

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The two good methods of the testing in screen room and the dynamic test in frequency spectrum analysis meter for insertion loss are described in detail.

详细描述了在屏蔽室测量和频谱分析仪动态测量两种插入损耗测试的方法；

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Characteristics of the scattering parameters for two parallel microstrip lines are analyzed based on microwave network principle. Relation between the frequencies where crests and troughs occur in the insertion loss or the far-end crosstalk and propagating delays of odd-and even-modes, the parallel length is deduced.

根据微波网络理论，对两根平行微带线的散射参数进行了研究，推导出了插入损耗和远端串扰的幅频曲线中波峰、波谷点频率与奇偶模的传播时延、互连线长的关系。

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They have high reflection losses and isolates degree, lower insertion loss.

具有高的反射损耗和隔离度, 较低的插入损耗.

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Therefore, they exhibit lower insertion loss and are much shorter than the conventional designs.

因此, 它具有比传统设计更低的插入损耗和更短的结构.

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Take an example, the insertion loss of simple expansion chamber muffler has been calculated.

作为应用实例，文中对简单膨胀腔消声器的插入损失进行了计算。

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Theoretically: Connector, balun insertion loss and amplifier gain are not included.

理论: 不含接头 、 平衡非平衡转换器损失、放大器增益.

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Method of insertion loss measurement for radio frequency filters.

射频滤波器插入损耗的测量方法.

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The open stubs and the capacitive loading microstrips are applied to enlarge the stop-band, decrease the insertion loss in the lowpass-band and improve the slow-wave factor of CMRC.

运用开路线、微带电容负载等扩大微带谐振单元的禁带，改进低频通带内的性能，提高慢波因子。

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