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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.
Reality Theory Developed in the 1960s by Willian glasser, a psychiatrist, reality therapists view human nature in terms of behaviour. They believe that human behaviour i
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What is Interdental Threaded Cleaners The use of floss is recommended around any implant-supported bridge, crown, or bar. Instruct the patient to wrap the floss around the impl
Ribavirin (Copegus, Rebetol, and others) Combination treatment of HCV with peginterferon alfa and oral ribavirin has produced higher sustained response rates than peginterfero
If children obtain half their genes from one parent and half from the other parent, why aren't siblings identical?
define alimentary canal
Acute Mitral Regurgitation : This may be caused by chordal rupture, infective endocarditis or acute myocardial infarction. In acute myocardial infarction, one of the papilla
Determine Food Sources of ascorbic acid (vitamin c)? Food sources of vitamin C include: Rich sources: Amla and guava. Good sources: Drumstick leaves, other leafy ve
LIST OUT THE DERIVATIVES OF 3 GERMS LAYER-ectoderm, mesoderm and endoderm
Classification of coelentrata upto sub classes
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