The spectrum of a chirp pulse describes its characteristics in terms of its frequency components. This frequency-domain representation is an alternative...
37 KB (6,293 words) - 01:25, 9 February 2024
chirp spread spectrum (CSS) is a spread spectrum technique that uses wideband linear frequency modulated chirp pulses to encode information. A chirp is...
6 KB (709 words) - 03:17, 31 July 2024
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...
17 KB (2,290 words) - 13:52, 24 June 2024
The chirp pulse compression process transforms a long duration frequency-coded pulse into a narrow pulse of greatly increased amplitude. It is a technique...
64 KB (10,411 words) - 09:04, 28 May 2024
Frequency-hopping spread spectrum (FHSS), direct-sequence spread spectrum (DSSS), time-hopping spread spectrum (THSS), chirp spread spectrum (CSS), and combinations...
16 KB (1,934 words) - 17:54, 9 March 2024
The chirp Z-transform (CZT) is a generalization of the discrete Fourier transform (DFT). While the DFT samples the Z plane at uniformly-spaced points...
11 KB (1,570 words) - 13:48, 1 August 2024
Frequency-hopping spread spectrum (FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many frequencies occupying...
15 KB (1,921 words) - 01:41, 3 August 2024
Chirped pulse amplification (CPA) is a technique for amplifying an ultrashort laser pulse up to the petawatt level, with the laser pulse being stretched...
18 KB (2,157 words) - 18:08, 15 July 2024
Ionosonde (redirect from Chirp transmitter)
to create the ionogram image. A chirp transmitter is a shortwave radio transmitter that sweeps the HF radio spectrum on a regular schedule. If one is...
7 KB (887 words) - 12:56, 14 April 2023
Spectral density (redirect from Signal frequency spectrum)
In signal processing, the power spectrum S x x ( f ) {\displaystyle S_{xx}(f)} of a continuous time signal x ( t ) {\displaystyle x(t)} describes the distribution...
36 KB (5,665 words) - 18:03, 26 June 2024
communication technique. It is based on spread spectrum modulation techniques derived from chirp spread spectrum (CSS) technology. It was developed by Cycleo...
20 KB (2,127 words) - 19:36, 27 August 2024
A chirped mirror is a dielectric mirror with chirped spaces—spaces of varying depth designed to reflect varying wavelengths of lights—between the dielectric...
9 KB (1,204 words) - 05:52, 5 January 2024
CHIRP (Continuous High-resolution Image Reconstruction using Patch priors) is a Bayesian algorithm used to perform a deconvolution on images created in...
6 KB (657 words) - 16:52, 5 January 2024
Rotational spectroscopy (redirect from Rotational spectrum)
offered by the Balle-Flygare design. The spectrum was measured over a couple of hours with the aid of a chirped-pulse Fourier transform microwave spectrometer...
51 KB (7,154 words) - 19:22, 3 May 2024
Spectrogram (redirect from Measured spectrum)
A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms...
20 KB (2,187 words) - 07:37, 10 May 2024
coding). As with a linear chirp, pulse compression is achieved through intercorrelation. Continuous-wave radar Spread spectrum Chirp compression J. R. Klauder...
31 KB (5,513 words) - 21:34, 30 July 2024
imaged through projective geometry), as well as to excise chirp-like interference in spread spectrum communications, in EEG processing, and Chirplet Time Domain...
10 KB (1,109 words) - 18:29, 19 June 2024
experimentally realized. The field autocorrelation may be used to calculate the spectrum of a source of light, while the intensity autocorrelation and the interferometric...
10 KB (1,151 words) - 09:04, 19 February 2024
Spectral tarsier (redirect from Tarsius spectrum)
Spectral tarsier or Selayar tarsier (Tarsius tarsier, also called Tarsius spectrum) is a species of tarsier found on the island of Selayar in Indonesia. It...
15 KB (1,740 words) - 21:54, 12 July 2024
Mbus. Chirp spread spectrum (CSS) based devices. Sigfox, UNB-based technology and French company. LoRa is a proprietary, chirp spread spectrum radio modulation...
9 KB (902 words) - 23:35, 25 April 2024
optical spectrum, and can be created by mode-locked oscillators. Amplification of ultrashort pulses almost always requires the technique of chirped pulse...
23 KB (3,346 words) - 03:55, 2 July 2024
Electronic counter-countermeasure (section Pulse compression by "chirping", or linear frequency modulation)
jamming pulses (used in deception jamming) will not typically have the same chirp, so will not benefit from the increase in signal strength. Frequency agility...
11 KB (1,486 words) - 18:58, 25 April 2024
interference due to the low power of radiation, brief chirp duration, and long interval between chirps. Modern transponder key based systems made the original...
11 KB (1,244 words) - 19:42, 5 June 2024
right moment when it has been amplified to a high intensity. The term 'chirped-pulse' refers to a special construction that is necessary to prevent the...
13 KB (1,504 words) - 01:50, 24 May 2024
4a specifies two additional PHYs using ultra-wideband (UWB) and chirp spread spectrum (CSS). The UWB PHY is designated frequencies in three ranges: below...
6 KB (733 words) - 03:52, 31 July 2024
Garmin's line of fitness monitoring equipment. It is also used by Garmin's Chirp, a geocaching device, for logging and alerting nearby participants. ANT+...
14 KB (1,178 words) - 07:11, 22 August 2024
Gryllus bimaculatus (section Chirping)
by human ears based on its chirp patterns and frequency components. Whether cricket song pattern (e.g. frequency spectrum) reflect song-emitter's body...
12 KB (1,445 words) - 14:58, 20 December 2023
are associated frequency shifts together with the intensity shifts (laser chirp). These frequency shifts, together with dispersion in the fiber, cause the...
9 KB (1,390 words) - 15:46, 8 January 2024
quantity of type temporal rate. Audio frequency Bandwidth (signal processing) Chirp Cutoff frequency Downsampling Electronic filter Fourier analysis Frequency...
21 KB (2,290 words) - 11:44, 15 July 2024
IDEN (redirect from Chirp (phone))
a software lab experiment focused on the utilization of discontiguous spectrum for GSM wireless. GSM systems typically require 24 contiguous voice channels...
13 KB (1,514 words) - 23:48, 4 May 2024