It would also need good shielding and special electronics to filter the DSSS signal from the radio-noise created by the Earth, the sun and the rest of the galaxy.
同时还需要良好的外层保护和特殊电子器件，从地球、太阳及其太空中传来的无线电“杂音”中过滤出dsss信号。
DC clamp meter, portable radio and mobile phone can be used to estimate the shielding effect of MRI scanning room.
简要介绍了直流钳型电流表、收音机和手机可用来粗测磁共振扫描间屏蔽效果。
The electromagnetism shielding device is correspondingly arranged between the radio frequency transceiving module and the rear cover.
所述电磁屏蔽装置对应地设置在所述射频收发模块与所述后盖之间。
In addition, the shielding layer on the radio frequency identification key can also shield the RFID signal duly, so the safety problems of user RFID information disclosure and the like are prevented.
另外，射频识别钥匙上的屏蔽层也能将RFID信号进行适时屏蔽，这样，就防止用户的RFID信息外漏等安全问题。
In addition, the shielding layer on the radio frequency identification key can also shield the RFID signal duly, so the safety problems of user RFID information disclosure and the like are prevented.
另外，射频识别钥匙上的屏蔽层也能将RFID信号进行适时屏蔽，这样，就防止用户的RFID信息外漏等安全问题。
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