0
Doppler shift is the observed effect to frequency or phase noted when the producer of a periodic wave and the observer of that periodic wave are moving with respect to each other.
The best example of this is the apparent change in frequency of a siren when an ambulance goes past you. Another example is red shift, where the color of a receding star shifts towards the red end of the visible light spectrum due to its velocity relative to the Earth.
When the propagation speed depends on the medium, such as for sound, the velocity of both the producer and observer relative to each other and to the medium must be considered. When the propagation speed does not depend on the medium, such as for light, only the velocity of producer and observer relative to each other need be considered.
Add your answer:
Earn +20 pts
Single phase and three phase circuit?
Yes, there is a difference between single phase and three phase circuits.
Why Y phase is high in YNyn0 when doing magnetic balance test?
because y phase is y phase ...it is not b phase or R phase so it is high
What does short circit mean?
short circuite means phase to phase,three phase short, phase to earth, three phase to earth, this is all short circuite
How to Calculate three phase watts with unbalanced phase current?
You will need to determine the power per phase, and add them up to give the total power of the three-phase load. To do this, you will need to multiply the phase-voltage by the phase current by the power factor -for each phase.
What are phase daigram?
Phase diagram are also known as thermal equilibrium diagram or a consistutional diagram 1. Different uses of phase diagram are 2. prediction of phase 3. amount of phase 4.composition of phase
Can Jacob Black's tribe in new moon shape shift?
they do not shape shift. they phase into werewolves. shape shifting implies that they can change into anything. they can only phase into wolves. they can also phase whenever they want, not just on full moons.
What is the use of a phase shifting transformer?
minimize congestion, stability margin improvement, line overload reduction, power flow control
How does food affect phase changes?
The phase changes of a substance, such as melting and boiling, are influenced by factors like temperature and pressure. In terms of food, when heat is applied during cooking, it can cause phase changes within the food itself, such as melting of fats or proteins or evaporation of water. These phase changes are essential for the transformation of raw ingredients into a cooked dish.
What is the difference between QPSK?
QPSK (Quadrature Phase Shift Keying) encodes two bits of data in each symbol by shifting the phase of the carrier signal by 0, 90, 180, or 270 degrees. In contrast, BPSK (Binary Phase Shift Keying) only encodes one bit per symbol by shifting the phase by 0 or 180 degrees. QPSK is more bandwidth-efficient, but it requires a more complex receiver compared to BPSK.
What is the term for identifying a phase line close to the enemy position used to coordinate the lifting or shifting of supporting fires with the final deployment of maneuver elements?
Final coordination line
What is the term for identifying a phase line close to the enemy position used for coordinating the lifting or shifting of supporting fires with the final deployment of maneuver elements?
Final coordination line
What is backward shifting?
shifting backward
What is seismic shifting?
Seismic shifting is the shifting of the earth's crustal plates, causing seismic activity.
Can you fix teeth from shifting?
No you can not fix teeth from shifting
What is 8 phase shift keying?
8 phase shift keying is a complex form of digital modulation by altering a sine wave and a cosine wave: shifting their phase. The best explanations I have found so far can be found at http://en.wikipedia.org/wiki/Phase-shift_keying and http://www.sss-mag.com/pdf/1modulation.pdf But they all explain the more simpler forms of phase shift keying: Binary Phase Shift Keying (BPSK) and Quadrature Phase Shift Keying (QPSK) and they don't say much about 8PSK unfortunately. However this might still give you an idea. Good luck, I will keep searching myself. Karen von Hünerbein
Difference between first and second shifting theorem?
Difference between first shifting and second shifting theorem
When was Shifting Realities created?
Shifting Realities was created in 2002.
