• Thumbnail for Chirp spread spectrum
    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) - 18:31, 10 February 2025
  • Thumbnail for Chirp
    systems, and to other applications, such as in spread-spectrum communications (see chirp spread spectrum). This signal type is biologically inspired and...
    16 KB (2,295 words) - 21:48, 6 February 2025
  • Thumbnail for Spread spectrum
    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) - 23:57, 15 September 2024
  • 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
  • Thumbnail for LoRa
    communication technique. It is based on spread spectrum modulation techniques derived from chirp spread spectrum (CSS) technology. It was developed by Cycleo...
    21 KB (2,213 words) - 14:43, 2 April 2025
  • Thumbnail for Frequency-hopping spread spectrum
    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
  • 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) - 23:46, 9 March 2025
  • UNB-based technology and French company. LoRa is a proprietary, chirp spread spectrum radio modulation technology for LPWAN used by LoRaWAN, Haystack...
    4 KB (418 words) - 14:28, 10 April 2025
  • 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 (719 words) - 15:10, 31 October 2024
  • Thumbnail for Code-division multiple access
    permit this without undue interference between the users, CDMA employs spread spectrum technology and a special coding scheme (where each transmitter is assigned...
    36 KB (4,745 words) - 21:23, 29 December 2024
  • document presentations in web development. CSS may also refer to: Chirp spread spectrum, a modulation concept, part of the standard IEEE 802.15.4aCSS Closed...
    6 KB (763 words) - 07:12, 17 January 2025
  • Thumbnail for Frequency modulation
    with chirp spread spectrum, which uses extremely wide frequency deviations to achieve processing gains comparable to traditional, better-known spread-spectrum...
    31 KB (3,923 words) - 22:05, 2 May 2025
  • IEEE 5th Int. Symp. Spread Spectrum Techniques and Applications, 1998, pp. 1008–1011 Doerry A. W., "Generating Nonlinear FM Chirp Waveforms for Radar"...
    64 KB (10,411 words) - 09:04, 28 May 2024
  • also known as Trellis modulation Spread spectrum techniques Direct-sequence spread spectrum (DSSS) Chirp spread spectrum (CSS) according to IEEE 802.15...
    24 KB (3,051 words) - 14:49, 25 March 2025
  • PHY using direct sequence ultra-wideband (UWB) and another using chirp spread spectrum (CSS). The UWB PHY is allocated frequencies in three ranges: below...
    20 KB (2,532 words) - 20:33, 18 March 2025
  • Part 2: Direct Sequence Spread Spectrum (DSSS) 2,4 GHz air interface protocol ISO/IEC 24730-5:2010 Part 5: Chirp spread spectrum (CSS) at 2,4 GHz air interface...
    33 KB (4,522 words) - 23:23, 14 March 2024
  • Information technology -- Real Time Locating Systems (RTLS) -- Part 5: Chirp Spread Spectrum (CSS) at 2,4 GHz air interface RTLS For Dummies by Ajay Malik, Wiley...
    8 KB (1,035 words) - 00:19, 18 October 2024
  • Radio (operating in unlicensed UWB spectrum) and a Chirp Spread Spectrum (operating in unlicensed 2.4 GHz spectrum). The Pulsed UWB Radio is based on...
    23 KB (3,075 words) - 05:37, 4 September 2024
  • Spread Spectrum (DSSS) 2,4 GHz air interface protocol ISO/IEC 24730-5:2010 Information technology — Real-time locating systems (RTLS) — Part 5: Chirp...
    26 KB (3,273 words) - 18:37, 25 March 2025
  • 433/868/780/915 MHz ISM EU: 8x125 kHz, US 64x125 kHz/8x125 kHz, Modulation: Chirp Spread Spectrum 2–5 km (urban), 15 km (rural), 702 km LoS tested, 1500 km Link Budget...
    21 KB (1,880 words) - 22:08, 25 November 2024
  • equipment at any one time. The use of spread-spectrum techniques allow signals to be spread over a wide enough spectrum to make jamming of such a wideband...
    12 KB (1,527 words) - 06:53, 16 March 2025
  • gas, water and electricity meters. For this purpose, they used Chirp Spread Spectrum (CSS) modulation technology, a technology widely in use for sonar...
    18 KB (2,376 words) - 16:01, 6 January 2025
  • Some other radio technologies, such as direct sequence spread spectrum and chirp spread spectrum, employ alternative approaches to selectively extract...
    5 KB (696 words) - 20:53, 9 March 2025
  • Thumbnail for Chirplet transform
    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) - 15:57, 17 April 2025
  • Thumbnail for Dispersion (optics)
    single wavepacket, such as in an ultrashort pulse or a chirped pulse or other forms of spread spectrum transmission, it may not be accurate to approximate...
    33 KB (3,420 words) - 05:05, 28 February 2025
  • 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) - 19:41, 27 November 2024
  • Thumbnail for Spectroscopy
    light to all bands of the electromagnetic spectrum. Spectroscopy, primarily in the electromagnetic spectrum, is a fundamental exploratory tool in the...
    44 KB (4,768 words) - 17:47, 7 April 2025
  • Thumbnail for Frequency
    signal characteristics Radio frequency Signaling (telecommunications) Spread spectrum Spectral component Transverter Upsampling Orders of magnitude (frequency)...
    21 KB (2,295 words) - 18:11, 24 April 2025
  • Thumbnail for Continuous-wave radar
    of spread placed on the receive spectrum: Modulation Spectrum Spread ≈ 2 ( B + 1 ) f m sin ⁡ ( δ t ) {\displaystyle {\text{Modulation Spectrum Spread}}\approx...
    26 KB (3,814 words) - 22:16, 6 March 2025
  • 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) - 17:47, 12 March 2025