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Examples of pulse shapes: (a) rectangular pulse, (b) cosine squared (raised cosine) pulse, (c) Dirac pulse, (d) sinc pulse, (e) Gaussian pulse. A pulse in signal processing is a rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value, followed by a rapid return to the baseline value. [1]
This image is a derivative work of the following images: File:Pulseaudio-diagram.png licensed with GFDL 2008-04-11T04:32:08Z Falcorian 873x1063 (139736 Bytes) Lossless compression.
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Radar Pulse Train. The carrier is an RF signal, typically of microwave frequencies, which is usually (but not always) modulated to allow the system to capture the required data. In simple ranging radars, the carrier will be pulse modulated and in continuous wave systems, such as Doppler radar, modulation may not be required
INEPT is a common building block of NMR experiments to improve 15 N signal. [ 1 ] In Fourier transform NMR spectroscopy and imaging , a pulse sequence describes a series of radio frequency pulses applied to the sample, such that the free induction decay is related to the characteristic frequencies of the desired signals.
Timing diagram for a spin echo type of pulse sequence.. An MRI pulse sequence in magnetic resonance imaging (MRI) is a particular setting of pulse sequences and pulsed field gradients, resulting in a particular image appearance.
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Pulse_doppler_signal_processing.png (435 × 540 pixels, file size: 43 KB, MIME type: image/png) This is a file from the Wikimedia Commons . Information from its description page there is shown below.