The abilities of long distance communication and weak signal detection are deteriorated by various white noises existing in the electronic instruments and system.

工程中常遇到各类噪声信号，噪声存在于电子设备和系统中，它经常妨害长距离通信和检测弱信号的能力。

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He notes that there are hints of trouble for IRF in recently weak results from rivals Texas Instruments, Linear Technology and Silicon Laboratories.

FORBES: Connect

Essentially, as Texas Instruments continue to cite weak demand, Qualcomm has been growing margins and raising guidance.

FORBES: Why Texas Instruments Shares Are Still Too Expensive

The weak signal can cause a ship's instruments to gradually drift out of true, without setting off any alarms, leaving the ship in a different position to where it "thinks" it is.

BBC: Navigational backup to aid ships in Dover straits