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The satellite carrier's total phase can be measured with ambiguity regarding the number of cycles. Let ϕ i , j , k {\displaystyle \phi _{i,j,k}} denote the phase of the carrier of satellite j {\displaystyle j} measured by receiver i {\displaystyle i} at time t k {\displaystyle t_{k}} .
Real-time kinematic positioning (RTK) is the application of surveying to correct for common errors in current satellite navigation (GNSS) systems. [1] It uses measurements of the phase of the signal's carrier wave in addition to the information content of the signal and relies on a single reference station or interpolated virtual station to ...
[1] [5] The phasor representation of sinusoidal voltages and currents is generalized to arbitrary waveforms. [2] This mathematical transformation eliminates the 60 Hertz (Hz) carrier which is the only time-varying element in the stationary case. [3] The longer usage of time-varying phasors in large power systems since 1920s have created many ...
The carrier-envelope phase (CEP) or carrier-envelope offset (CEO) phase is an important feature of an ultrashort laser pulse and gains significance with decreasing pulse duration, in a regime where the pulse consists of a few wavelengths. Physical effects depending on the carrier-envelope phase fall into the category of highly nonlinear optics.
AN/SPY-1F: Smaller version of the -1D designed to fit frigates. Installed on the Norwegian Fridtjof Nansen-class frigates. 2.44 metres (8 ft 0 in) diameter. AN/SPY-1K: Smallest version of the radar offered, intended to fit corvette-sized vessels. None currently in service.
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The peak amplitude and the frequency of the carrier signal are maintained constant, but as the amplitude of the message signal changes, the phase of the carrier changes correspondingly. Phase modulation is an integral part of many digital transmission coding schemes that underlie a wide range of technologies like Wi-Fi, GSM and satellite ...
Each symbol is encoded as a different phase shift of the carrier sine wave: 0°, 45°, 90°, 135°, 180°, 225°, 270°, 315°. A constellation diagram is a representation of a signal modulated by a digital modulation scheme such as quadrature amplitude modulation or phase-shift keying . [ 1 ]