You MoonHee,Seong-PaiLee,Han Youngyearl.Adaptive compensation method using the prediction algorithm for the Doppler frequency shift in the LEO mobile satellite communication system. ETRI . 2000You MoonHee,Seong-PaiLee,Han Youngyearl.Adaptive compensation method using the prediction algorithm for the ...
We study the frequency spectra of the radar signals scattered from the wind waves on the sea surface in the full-scale experiment. Two types of the radar Doppler shifts of the spectrum maximum, namely, the averaged shift of the instantaneous spectrum of the scattered signal and the shift of ...
Notice that the returned zero-delay response is fairly broad. The first null appears at a Doppler shift of 1 MHz. Thus, if the two targets are at the same range, they need to have a difference of 1 MHz in the Doppler domain to be separated. Assuming the radar is working at 1 GHz,...
frequency shift as the sound is reflected from moving objects. Flow velocity and acceleration is processed and displayed by the ultrasound machine7. These blood flow data are presented in two ways simultaneously; a graphical spectral display of the Doppler shift (velocity) against time, and a real...
26 July 2016 Published: 17 August 2016 Biyang Wen & Ke Li Doppler effect is used to measure the relative speed of a moving target with respect to the radar, and is also used to interpret the frequency shift of the backscattering from the ocean wave according to the water-wave phase ...
aDoppler microwave detectors transmit low-energy microwave radiation at the detection zone.The Doppler effect is a frequency shift that results from relative motion between a frequency source and a listener. If both source and listener are not moving, no Doppler shift will take place.If the ...
The simplest waveform is a rectangular waveform, sometimes also referred to as single frequency waveform. For the rectangular waveform, the pulse width is the reciprocal of the bandwidth. A rectangular waveform can be created as follows. Get tau = 1/bw; % Pulse width fs = 4*bw; % Set ...
a phenomenon characterized by a change (Dop′pler shift`) in the frequency of waves, as light or sound waves, observed when the wave source is moving relative to the observer. [1900–05; after C. J.Doppler(1803–53), Austrian physicist] ...
Doppler effect is used to measure the relative speed of a moving target with respect to the radar and is also used to interpret the frequency shift of the backscattering from the ocean wave according to the water-wave phase velocity. The widely known relationship between the Doppler shift and ...
The simplest waveform is a rectangular waveform, sometimes also referred to as single frequency waveform. For the rectangular waveform, the pulse width is the reciprocal of the bandwidth. A rectangular waveform can be created as follows. Get tau = 1/bw; % Pulse width fs = 4*bw; % Set ...