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The NYQUIST LIIMIT-It is a sampling phenomenon, which limits the maximum fiequemcy shift measurement to one half of the sampling frequency (PRF).
By its nature, pulse wave Doppler is a sampling system while continuous wave Doppler is not. The nyquist limit is a theoretical maximum frequency that a
If the frequency shift is higher than the Nyquist frequency, aliasing occurs; i.e., the Doppler spectrum is cut off the Nyquist frequency and the remaining frequency shift is recorded on the opposite side of baseline.
The PRF varies inversely with the depth of the sample volume the shallower the location of the sample volume, the higher the PRF and Nyquist frequency. In other words, higher velocities can be recorded without aliasing by pulse wave Doppler if the sample volume is closer to transducer.
Explain Procedure for Performing the Completed Coliform Test? Completed test is the last step in the Coliform test procedure which is described herewith. Conduct the exercise f
Mutations are the only kind of variability generating mechanism in prokaryotes and asexually reproducing organisms. But in eukaryotes where sexual recombination occurs, even in one
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What is the Mode of Nutrition in mosquito?
Ventricular arrhythmias are usually produced by excess catecholamines and vagal withdrawal and occasionally re-entry and triggered activity also plays a role. PVCs are more common
why the small intestine is longer in herbivores as comparison to carnivores animals
With response to synthesis of fatty acids and triacylglycerol, the pentose pathway supplies: -NADPH and glycerolaldehyde 3 P -NADPH and glucose -NADPH and ribulose 5 P
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