To facilitate realistic testing, the heart of real is the radio frequency attenuation network, a system designed to simulate realistic field conditions for multiple radios.

为方便实际测试，REAL实验室的核心是射频衰减网络，可模拟多个无线电的真实部署。

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It is shown that the better broad band performance can be obtained using the matched attenuation network formed by depositing ta film resistor, as a microwave absorbent, with grid pattern.

指出利用沉积有网格图形的钽薄膜电阻的匹配衰减网络作微波吸收体，可以获得比较好的宽带性能。

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Through this paper, the low-voltage power line network and channel characteristics are researched. The noise and attenuation characteristics of power line channel are measured and analyzed.

本文首先分析了低压电力线网络的特点及信道特性，对电力线信道的噪声和复衰减特性分别进行了测量及分析。

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