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if we're talking about a short dipole, you have {E.H} field depending by r^(-k), where r is distance between antenna's feed and point of {E,H} calculus and k is >=1.
In far field, you can imagine r>>1, so r^(-k) contribution is lower for greater k and you can approximate {E,H} expression by considering only the contribution with the lowest k.
This make Poynting vector become real, according with the assumption that far field radiation power is active, near field one has also a capacitive contribution.
What else can I help you with?
Does the Photon interact with the Higgs Field?
The Higgs field is a hypothetical field which explains mass. It is believed to be interaction with this field which gives particles mass. The photon is a massless particle, so it must not interact with the Higgs field.
What is the significance of the secular approximation in the field of celestial mechanics?
The secular approximation in celestial mechanics is important because it simplifies complex calculations by focusing on long-term trends rather than short-term variations. This allows scientists to make more accurate predictions about the movements of celestial bodies over extended periods of time.
What is the acceleration rate at which all things fall on Eris?
0.8 meters per second square (from Wikipedia). This is probably an approximation, a current estimate; Eris is far away, and it is therefore difficult to get accurate data on its mass and its diameter.0.8 meters per second square (from Wikipedia). This is probably an approximation, a current estimate; Eris is far away, and it is therefore difficult to get accurate data on its mass and its diameter.0.8 meters per second square (from Wikipedia). This is probably an approximation, a current estimate; Eris is far away, and it is therefore difficult to get accurate data on its mass and its diameter.0.8 meters per second square (from Wikipedia). This is probably an approximation, a current estimate; Eris is far away, and it is therefore difficult to get accurate data on its mass and its diameter.
When and why can the Boltzmann approximation be used?
The Boltzmann approximation can be used when the particles in a system are not too close together and when the temperature is not too low. This approximation simplifies the calculations of the behavior of particles in a gas by assuming that they move independently of each other.
What is far field region in antenna?
The far field region in antenna refers to the region where the electromagnetic fields radiated by the antenna become more stable and independent of the distance from the antenna. In this region, the electric and magnetic fields are predominantly transverse, propagating as electromagnetic waves. The far field region is important for applications such as long-distance communication and radar systems.
Why Vogel Approximation Method gives only feasible solution?
cuz its only an approximation afterall
How far will a tippmann a5 21 inch barrel shoot?
approximation: 300 feet.
What does semiquantitative mean?
It means half quantitative. So analysis gives approximation, but not exact result.
What is the error propagation in numerical methods?
Error propagation in numerical analysis is just calculating the uncertainty or error of an approximation against the actual value it is trying to approximate. This error is usually shown as either an absolute error, which shows how far away the approximation is as a number value, or as a relative error, which shows how far away the approximation is as a percentage value.
Define error relative error and absolute error give examples of each?
Error is the term for the amount of difference between a value and it's approximation, and is represented by either an upper or lower case epsilon (E or ε)Eabs, absolute error, is |x-x*| where x* is the approximate of x, and gives a value that shows how far away the approximate is as a numerical valueErel, relative error, is |x-x*| / |x| and gives a value that shows how far away the approximate is as a decimal percentage i.e. if you times the relative error by 100 you get the percentage error of the approximation.
What is the process for calculating the sample average approximation in statistical analysis?
To calculate the sample average approximation in statistical analysis, you add up all the values in the sample and then divide by the total number of values in the sample. This gives you the average value of the sample, which is an approximation of the overall average for the entire population.
What has the author George J Priovolos written?
George J. Priovolos has written: 'Gravity field approximation using the predictors of Bjerhammar and Hardy'
What annual interest rate will cause your money to double in 4 years?
The "Rule of 72" gives a good approximation of 72/4=18%.
What is Approximation for pi?
3.14 is the commonly used approximation
What is approximation error?
An approximation error is the discrepancy between an exact value and the approximation to it. This occurs when the measurement of something is not precise.
When was Constructive Approximation created?
Constructive Approximation was created in 1985.
Can you measure the wind with a wind sock?
The appearance of the wind sock gives a broad approximation to the wind speed, and a pretty good indication of the wind direction.
