- linear chirp
- радиоимпульс с линейной частотной модуляцией, ЛЧМ-импульс
English-Russian electronics dictionary .
linear chirp
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Chirp — For other uses, see Chirp (disambiguation). A chirp is a signal in which the frequency increases ( up chirp ) or decreases ( down chirp ) with time. In some sources, the term chirp is used interchangeably with sweep signal.[1] It is commonly used … Wikipedia
Chirp spread spectrum — A linear frequency modulated upchirp in the time domain In digital communications, Chirp spread spectrum (CSS) is a spread spectrum technique that uses wideband linear frequency modulated chirp pulses to encode information.[1] A chirp is a… … Wikipedia
Chirp — Als ein Chirp (von engl. chirp = Zwitschern) bzw. eine Zirpe (dt.) bezeichnet man in der Signalverarbeitung ein Signal, dessen Frequenz sich zeitlich ändert. Chirp Impuls mit linearem Frequenzanstieg Technische Anwendungen liegen bei der… … Deutsch Wikipedia
Focus recovery based on the linear canonical transform — Focus recovery from defocused image is an ill posed problem since it loses the component of high freqency. Most of the methods for focus revocery are based on depth estimation theory [Most of depth recovery methods are simply based on camera… … Wikipedia
Bluestein's FFT algorithm — (1968), commonly called the chirp z transform algorithm (1969), is a fast Fourier transform (FFT) algorithm that computes the discrete Fourier transform (DFT) of arbitrary sizes (including prime sizes) by re expressing the DFT as a convolution.… … Wikipedia
Fractional Fourier transform — In mathematics, in the area of harmonic analysis, the fractional Fourier transform (FRFT) is a linear transformation generalizing the Fourier transform. It can be thought of as the Fourier transform to the n th power where n need not be an… … Wikipedia
Pulse 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… … Wikipedia
LFM — may refer to: * Looking for more. * Leaders for Manufacturing program at MIT Sloan School of Management * LFM Productions, a record label * Linear Frequency Modulation: signal modulation which produces a linear chirp * LFM an airflow velocity… … Wikipedia
Chirplet transform — Comparison of wave, wavelet, chirp, and chirplet In signal processing, the chirplet transform is an inner product of an input signal with a family of analysis primitives called chirplets. Contents … Wikipedia
ISAR — Ein Synthetic Aperture Radar (Abkürzung: SAR; deutsch etwa: „Radar mit synthetischer Apertur“) gehört ebenso wie ein Real Aperture Radar (Abkürzung: RAR; deutsch: „Radar mit echter Apertur“) zur Klasse der abbildenden Radare. Es wird aus… … Deutsch Wikipedia
Seitensichtradar — Ein Synthetic Aperture Radar (Abkürzung: SAR; deutsch etwa: „Radar mit synthetischer Apertur“) gehört ebenso wie ein Real Aperture Radar (Abkürzung: RAR; deutsch: „Radar mit echter Apertur“) zur Klasse der abbildenden Radare. Es wird aus… … Deutsch Wikipedia
