- spurious noise
- 寄生噪声
English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.
English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.
Noise figure — (NF) is a measure of degradation of the signal to noise ratio (SNR), caused by components in a radio frequency (RF) signal chain. The noise figure is defined as the ratio of the output noise power of a device to the portion thereof attributable… … Wikipedia
Spurious-free dynamic range — (SFDR) is a measure used to specify analog to digital and digital to analog converters (ADCs and DACs, respectively).SFDR is defined as the ratio of the RMS value of the carrier frequency (maximum signal component) at the input of the ADC or DAC… … Wikipedia
Noise gate — A Noise Gate or gate is an electronic device or software that is used to control the volume of an audio signal. In its most simple form, a noise gate allows a signal to pass through only when it is above a set threshold: the gate is open . If the … Wikipedia
noise filters — Devices in the signal circuits meant to reduce the amount of spurious background noise … Aviation dictionary
Image noise — Noise clearly visible in an image from a digital camera Image noise is random (not present in the object imaged) variation of brightness or color information in images, and is usually an aspect of electronic noise. It can be produced by the… … Wikipedia
Audio noise measurement — is carried out when assessing the quality of audio equipment, such as is used in recording studios, broadcast studios, and in the home (Hi Fi).Noise in general refers to unwanted sound, often loud, but in audio systems it is the low level hiss or … Wikipedia
line noise — noun a) Spurious characters due to in a communications link. In short, Perl doesnt write illegible Perl, people do. If you can stop yourself being one of them, we can agree that Perls reputation for looking like line noise is no more than a myth … Wiktionary
Leslie speaker — The Leslie speaker is a specially constructed amplifier/loudspeaker used to create special audio effects utilizing the Doppler effect. Named after its inventor, Donald Leslie, it is particularly associated with the Hammond organ. Separate Leslie… … Wikipedia
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Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal … Wikipedia