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- Show that doubling the transmission frequency or doubling the distance between transmitting antenna and receiving antenna attenuates the power received by 6 dB. 证明：当传输频率增加一倍或者源天线与目的天线的距离增加一倍时，衰减功率等于6分贝。
- Reception improved because of the new antenna. 接受效果因有新天线而得到改善。
- antenna attenuator 天线衰减器
- No antenna, no radio, we're back in the nineteenth century! 没有天线，没有无线电，我们回到十九世纪了。
- You should fix the television antenna before receiving programs. 接收节目前，你应该先装天线。
- The reception is very poor. Let me adjust the antenna. 接收效果太差了。让我来调一下天线。
- The PP198 is a passive 20:1 attenuator. PP198衰减器是一个无源的20:1衰减器。
- Extend the telescopic antenna vertically. 竖直地伸张伸缩式天线。
- He said he would head the antenna with a ball. 他说他还要给天线安个圆头。
- He erected a television antenna on the roof. 他在房顶立了电视天线。
- They erected a television antenna on the roof. 他们在屋顶上架起了电视天线。
- The headphone cord functions as the FM antenna. 耳机导线也具有FM天线的功能。
- Marconi patents his directive horizontal antenna. 马可尼获得定向水平天线专利权。
- That is where adaptive antenna arrays come in. 这正是适应型阵列天线的切入点。
- A Micromachining Based Miniature Variable Optical Attenuator[J]. 引用该论文 万鹏;袁野;吴兴坤.
- He attached an aerial (antenna) to the radio. 他把收音机装上天线。
- Micromachining Based Direct-Coupled Variable Optical Attenuator[J]. 引用该论文 晏辉鸣;曹钟慧;吴兴坤.
- Independent attenuator,balanced device for every channel. 每路设有衰减器、均衡器。
- An indoor tv antenna,2 extendible rods forming a V. 一种室内天线，能够形成v形的两个棒。
- A design for a digitalized variable optical attenuator[J]. 引用该论文 曹钟慧;邹勇卓;吴兴坤.
