The radiation "signal" is weak, easily swamped by other factors that degrade health, such as smoking, alcoholism, and poor nutrition.

辐射“信号”非常微弱，而诸如吸烟、酗酒以及营养不良等诸多因素都会导致健康恶化。

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Any significant form of delay, whether delay of all samples or one sample relative to the other, can significantly degrade the quality of the voice signal recreated at the far end of the transmission.

任何重大延误形式，不论所有样品或延误样品相对于其它一、可以大大降低质量的声音信号重现尽头传送。

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When dealing with the nonstationary signals, the performance of traditional methods in array signal processing may degrade heavily because of the narrowband and stationary signals assumptions.

建立在平稳窄带假设基础上的传统阵列信号处理方法在分析处理这类信号时受到局限。

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If you crack open your GPS, you could extend the wire between the antenna and the internal antenna, but the loss from the extra wire would degrade the signal.

ENGADGET: How-To: Add your own external GPS antenna

This is because leaves, and even pine needles can soak up a radio signal and cause the overall system to degrade during the spring and summer.

FORBES: The iPhone 4 Antenna Unravelled