narrow-band phase shift keying

См. также в других словарях:

• Very minimum-shift keying — VMSK, for Very Minimum Shift Keying modulation, is one of several digital modulation methods claimed to send high speed digital data through very low bandwidth (or narrowband) channels. A typical claim is a data rate of 6 Mbit/s in a bandwidth of …   Wikipedia

• Modem — For other uses, see Modem (disambiguation). A modem (modulator demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The… …   Wikipedia

• Стандартизованные аббревиатуры типов модуляции — Кодовое обозначение рус. Тип модуляции сигнала англ.  Type of signal modulation QPSK квадратурная фазовая манипуляция quadrature phase shift keying ADM адаптивная дельта модуляция adaptive delta modulation ADPCM адаптивная дифференциальная… …   Википедия

• Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Ultra-wideband — (aka UWB, ultra wide band, ultraband, etc.) is a radio technology that can be used at very low energy levels for short range high bandwidth communications by using a large portion of the radio spectrum. UWB has traditional applications in non… …   Wikipedia

• PSK31 — or Phase Shift Keying, 31 Baud is a digital , used primarily in the amateur radio field to conduct real time text chat between amateur radio operators. History PSK31 was developed by English amateur radio operator Peter Martinez (G3PLX) and… …   Wikipedia

• Hellschreiber — The Hellschreiber or Feldhellschreiber was a facsimile based teleprinter invented by Rudolf Hell. It has since been emulated on computer sound cards by amateur radio operators; the resulting mode is referred to as Hellschreiber, Feld Hell, or… …   Wikipedia

• PACTOR — is a radio modulation mode used by amateur radio operators, marine radio stations, and radio stations in isolated areas to send and receive digital information via radio. A robust network of PACTOR stations has been established to relay data… …   Wikipedia

• Wavelength-division multiplexing — For the radio station, see DWDM FM. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial m …   Wikipedia

• Call signs in North America — are frequently still used by North American broadcast stations in addition to amateur radio and other international radio stations that continue to identify by call signs around the world. Each country has a different set of patterns for its own… …   Wikipedia

• North American call sign — Many countries have specific conventions for classifying call signs by transmitter characteristics and location. The North American call sign format for radio and television call signs follows a number of conventions. All call signs begin with a… …   Wikipedia