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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.
Aspect of Tolerance and Dependence: Drug-abusers are said to be psychologically dependent upon certain drugs. Drugs also induce clear physical dependence in the chronic users.
Drawbacks of Lamellar model This model does not explain the elasticity of PM. Although this model says that PM is elastic but it also states that head of lipid molecules is
How Peroxisomes formed Peroxisomes are formed within the cell from the smooth endoplasmic reticulum by a process of budding. Peroxisomes found in the kidney and liver cells are
I have an assignment due on October 15
What are the Benefits of migration Eg: Need to leave Alaska due to harsh weather conditions (statement that birds are escaping NZ winter not acceptable). Longer day
3. Which substance(s) crossed the dialysis membrane? Support your response with data-based evidence.
what two gases are released by animals during the process of cellular respiration
Who was Charles Darwin? Charles Darwin was an English naturalist born in 1809 and considered the father of the theory of evolution. At the end of the year 1831, before turning 23
How is a prototype drug different from other drugs in the same class?
Gastrointestinal Antibiotic prophylaxis is recommended for esophageal surgery in the presence of obstruction, which increases the risk of infection. After gas troduodenal surge
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