noise pulse
1pulse noise — impulsinis triukšmas statusas T sritis fizika atitikmenys: angl. impulse noise; impulsive noise; pulse noise vok. Impulsrauschen, n rus. импульсная помеха, f; импульсный шум, m pranc. bruit impulsionnel, m; bruit pulsé, m; parasites impulsionnels …
2pulse noise — impulsinis triukšmas statusas T sritis Standartizacija ir metrologija apibrėžtis Triukšmas, sudarytas iš atskirų atsitiktinių impulsų arba netvarkios jų sekos. atitikmenys: angl. impulse noise; pulse noise vok. Impulsrauschen, n rus. импульсный… …
3Pulse compression — is a signal processing technique mainly used in radar, sonar and echography to augment the range resolution as well as the signal to noise ratio. This is achieved by modulating the transmitted pulse and then correlating the received signal with… …
4Pulse-density modulation — Pulse density modulation, or PDM, is a form of modulation used to represent an analog signal in the digital domain. In a PDM signal, specific amplitude values are not encoded into pulses as they would be in PCM. Instead it is the relative density …
5Pulse-coupled networks — or Pulse Coupled Neural Networks (PCNNs) are neural models proposed by modeling a cat’s visual cortex and developed for high performance biomimetic image processing. In 1989, Eckhorn introduced a neural model to emulate the mechanism of cat’s… …
6Noise 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… …
7Noise shaping — is a technique typically used in digital audio, image, and video processing, usually in combination with dithering, as part of the process of quantization or bit depth reduction of a digital signal. Its purpose is to increase the apparent signal… …
8Pulse-position modulation — is a form of signal modulation in which M message bits are encoded by transmitting asingle pulse in one of 2^M possible time shifts. This is repeated every T seconds, such thatthe transmitted bit rate is M/T bits per second. It is primarily… …
9Noise (audio) — Noise in audio, recording, and broadcast systems refers to the residual low level sound (usually hiss and hum) that is heard in quiet periods of a programme. In audio engineering, it can refer either to the acoustic noise from loudspeakers, or to …
10Noise measurement — is carried out in various fields. In acoustics, it can be for the purpose of measuring environmental noise, or part of a test procedure using white noise, or some other specialised form of test signal. In electronics it relates to the sensitivity …
