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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.
Advantages of Stage two done with tissue punch - Less traumatic to surrounding tissue - Faster progress to the impression procedure - No sutures required
control of microorganisms by chemical method.
Suppose you were breeding rabbits and wanted to design an experiment to see if a new type of food would help your rabbits have fluffier fur. How would you treat the rabbits in the
Primary producers - Biotic Components The major primary producers of aquatic ecosystems (freshwater and marine) are various species of algae. In terrestrial ecosystems the ma
Write a report on a special probation/parole client and programs that have been situated to address this problem client. Focus on 1type of special requires offender (substance abus
Psychology : This is the study of human mind. On other words Psychology is the science of behavior or mental processes. Its immediate aim is to understand the individuals or groups
The ph of urine can be quite variable. Why? Why is bromothymol blue used as a ph indicator instead of phenal red when titrating blood?
what is non conventional feed
HUMAN SKELETON - Hard supportive or protective elements of the animal body form the skeleton system. It's study in osteology. EXOSKELETO N - Present outside skin. It
Explain Crossing Over in genetics? Crossing over is when the arms of homologous chromosomes exchange segments (and therefore genes) with each other. Recall that one of the homo
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