«GFSK»に関連するポーランド語の本
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802.11 Wireless LAN Fundamentals - Strona 91
The FHSS PMD sublayer modulates the data stream by using Gaussian frequency shift keying (GFSK). To understand GFSK modulation, you must first grasp the basic concepts of Frequency Shift Keying (FSK). Unlike the QPSK modulation ...
Pejman Roshan, Jonathan Leary, 2004
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802.11 Wireless Networks: The Definitive Guide: The ... - Strona 246
Throughput Interference level Figure 11-4. Throughput response to interference in FHSS systems The FH PHY uses Gaussian frequency shift keying (GFSK).* Frequency shift keying encodes data as a series of frequency changes in a carrier.
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Ad Hoc and Sensor Networks: Theory and Applications - Strona 153
4.5.2.2.2 Modulation The IEEE 802.11 version released in 1997 uses two-level GFSK in the FHSS PMD to transmit the PSDU at the basic rate of 1 Mbps. The PLCP preamble and PLCP header are always transmitted at 1 Mbps. However, ...
Carlos de Morais Cordeiro, Dharma Prakash Agrawal, 2011
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New Directions in Intelligent Interactive Multimedia - Strona 317
Model of bluetooth wireless system And, in this paper, a transmitted GFSK(Gaussian Frequency Shift Keying) signal of simulation model for bluetooth baseband can be written as {} , Re )( tS ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ ⎟ ⎠ ⎞ 2 exp j π T E 2 ⎜ ⎝ ⎛ + = ∫∞−tc ...
George A. Tsihrintzis, Maria Virvou, 2008
5
Technical Handbook for Radio Monitoring VHF/UHF: Edition 2013
Gaussian-filtered Frequency Shift Keying (GFSK) operating at a bit rate of 19.2 kbps. GFSK is a form of Frequency Modulation (FM) compared to D8PSK which is a form of Phase Modulation (PM). GFSK uses two tones, alternating between ...
Roland Proesch, Aikaterini Daskalaki-Proesch, 2015
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Theory and Applications of Models of Computation: 8th ... - Strona 380
Functionality. GFsk,pke (and Csk,pke): input x ∈ {0,1}n ∪ {RetrieveKey}. 1. If x = RetrieveKey, output pke; 2. Let y ← Cn,sk(x); 3. Let z ← Enc(pke;y) and output z. It can be seen that GFsk,pke indeed consists of the two desired operations: first a ...
Mitsunori Ogihara, Jun Tarui, 2011
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Automated Calibration of Modulated Frequency Synthesizers - Strona 4
The class of modulations given by (1.4) and (1.5) include two popular and closely related modulation types which are Gaussian frequency shift keying (GFSK) and Gaussian minimum shift keying (GMSK) [11]. For GFSK and GMSK, the pulse ...
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Analog-Baseband Architectures and Circuits for ... - Strona 21
It employs a 5-MHz GFSK channel to communicate at the 2.4GHz ISM band, delivering a data rate up to 250 kb/s. A complete TXR has been reported for this standard [2.2.78]. Consistent to our previous considerations, its narrowband nature ...
Pui-In Mak, Ben U. Seng Pan, Rui Paulo Martins, 2007
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Image Analysis and Recognition: Third International ... - Strona 184
π GFSk(xj,yj,f) = gσ,θ,f(xj,yj)dθdσ (5) ∫ 0 −π ∫ The closed form expression for the frequency-space kernel is the following: −40 −20 0 20 40 −40 −20 0 20 40 −0.2 0 0.2 0.4 0.6 −30 −20 −10 0 10 20 30 −0.2 −0.1 0 0.1 0.2 0.3 0.4 0.5 −40 −20 0 ...
Aurélio Campilho, Mohamed Kamel, 2006
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Ultra Low Power Transceiver for Wireless Body Area Networks
3.4. Low-Complexity. Phase-Domain. GFSK. Demodulator. As explained in Sect. 3.1, the zero-IF architecture is particularly suitable for ultra low-power transceivers, and therefore calls for zero-IF GFSK demodulators. In a straightforward ...
Jens Masuch, Manuel Delgado-Restituto, 2013
用語«GFSK»を含むニュース項目
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Espotel ELMO - płytka deweloperska z modemem SX1272 LoRa IoT
... oraz przepustowością łącza dochodzącą do 37,5kbps. Zastosowany transceiver RF wykorzystuje modulacje FSK, GFSK, MSK, FMSK, LoRa DSSS oraz OOK. «elektroda.pl, 10月 15»
Freescale IoT MCU has two radios
Inside the chip, the Kinetis KW40Z MCU integrates a 2.4GHz transceiver supporting FSK/GFSK and O-QPSK modulations, an ARM Cortex-M0+ CPU, up to ... «ElectronicsWeekly.com, 10月 15»
Programmable sub-GHz transceiver
... (FSK), minimum shift keying (MSK), Gaussian minimum shift keying (GMSK) and Gaussian frequency shift keying (GFSK) modulation schemes are supported. «Dataweek, 10月 15»
RF Transceiver Addresses Sub-GHz Apps
... keying (GMSK) and Gaussian frequency shift keying (GFSK) modulation schemes; power detectors augment radiated power performance during transmission; ... «IHS Electronics360, 9月 15»
T@lkit-M1 - radiotelefon na pasmo ISM z Linux i TCP/IP (Kickstarter)
T@lkit-M1 działa w paśmie częstotliwości radiowych ISM (902-928MHz lub 868MHz) oraz wykorzystuje modulacje GFSK, FSK, MSK i OOK. Maksymalna moc ... «elektroda.pl, 9月 15»
Głośnik przenośny JBL Xtreme
Moc nadajnika Bluetooth: 0-4 dBm - Zakres częstotliwości nadajnika Bluetooth: 2,402 – 2,480 GHz - Modulacja nadajnika Bluetooth: GFSK, π/4 DQPSK, 8DPSK «Audio, 7月 15»
Langstrecken-Sub-GHz-Funkverbindung für das Internet der Dinge
... wenn eine Standard-GFSK-Modulation (Gaussian Frequency-Shift Keying) zum Einsatz kommt. Das Link-Budget mit +20 dBm Tx für verschiedene Datenraten ... «all-electronics.de, 2月 15»
AESP-14 CubeSat on ISS
AESP-14 will transmit with an RF power of 500 mW on 437.600 MHz using the 9600 bps G3RUH modulation (GFSK) and AX.25 UI framing. Radio amateurs are ... «Southgate Amateur Radio Club, 1月 15»
This USB wall charger secretly logs keystrokes from Microsoft …
$1: nRF24L01+ 2.4GHz RF Chip which communicates using GFSK over 2.4GHz. $6: AC USB Charger for converting AC power to 5v DC. $2 (Optional): An ... «VentureBeat, 1月 15»
AXSEM and SIGFOX Announce 'Ultra-low-power' System-on-Chip …
The AXSEM AX8052F143 receives with 9.5 mA current and -129 dBm sensitivity at 600 bps GFSK. The chip features a 6 dBm transmitter with only 10 mA current ... «Business Wire, 12月 14»
