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。
Electrostatic shielding is provided by surrounding the signal path with a conductor connected to a low impedance point in the circuit, preferably the lo input terminal of the measuring device.
利用连接到电路中一个低阻点的导体，将信号通路包裹起来，即实现了静电屏蔽，该低阻点最好是测量设备的LO输入端子。
Without proper shielding of the switches, interconnecting cables, and test fixturing, spurious signals (offsets) may be generated that will compromise the signal being measured.
若开关、互连电缆和测试夹具没有合适的屏蔽，所产生的杂散信号（偏移）将威胁到被测信号。
Electrostatic shielding may be necessary to prevent interference with a desired signal.
为防止静电干扰预期信号，可能有必要采用静电屏蔽。
Reduced antenna signal if the black shielding lines are secured to the signal lines with adhesive tape.
如果用胶带将黑色屏蔽线固定到信号线路，则会减弱天线信号。
This article introduced a method to measure the shielding effectiveness of metallic case using a wide band signal source.
本文介绍了用广谱信号源作为发射装置进行机柜屏蔽效能测试的原理和方法。
The sensor surface (7) comprises an active shielding, which is formed by a shielding surface (11) against which a clock signal (28), simultaneously with the sensor surface (7), rests.
所述传感器面(7)具有有源屏蔽，所述有源屏蔽由屏蔽面(11)构成，与所述传感器面(7)同时地在所述屏蔽面上施加时钟信号(28)。
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。
The results show that radiated power from a signal line with a shielding line is much less than that from a signal line without a shielding line.
仿真结果显示了存在屏蔽线的微带线结构所产生的辐射功率远小于无屏蔽线的辐射功率，表明了单屏蔽线对电磁辐射干扰有很好的抑制效应。
The signal-to-noise ratio of the silicon capacitance microphone is improved, and the shielding effect is favorable.
提高 了硅电容麦克风的信噪比，屏蔽效果好。
The signal-to-noise ratio of the silicon capacitance microphone is improved, and the shielding effect is favorable.
提高 了硅电容麦克风的信噪比，屏蔽效果好。
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