chirp waveform

См. также в других словарях:

• 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 rate — is the instantaneous rate of change of the frequency of a waveform. If a waveform is defined as: then the instantaneous frequency is defined to be: and the chirp rate is defined to be: . See also Chirp. Categor …   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

• Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target …   Wikipedia

• Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e …   Wikipedia

• Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …   Wikipedia

• Pure tone — A pure tone is a tone with a sinusoidal waveshape. A sine wave is characterized by its frequency the number of cycles per second, or its wavelength the distance the waveform travels through its medium within a period, and the amplitude the size… …   Wikipedia

• Spread spectrum — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Texas Instruments LPC Speech Chips — The Texas Instruments LPC Speech Chips are a series of speech synthesizer DSP ICs created by Texas Instruments beginning in 1978. They continued to be developed and marketed for many years, though the speech department moved around several times… …   Wikipedia

• TARDIS — The TARDIS used from 2005 to 2010 on display at BBC Television Centre …   Wikipedia

• Direct-sequence spread spectrum — Passband modulation v · d · e Analog modulation AM · …   Wikipedia