Q6: The results of standing wave pattern are measured in the table below: position 20mm Pmax Pmin 1s Pmax 2nd pmin 4th pmax -25 dB -30 dB 53mm 86mm -25 dB use this data to calculate the reflection coefficient and the wavelength of the signal.

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Q: Problem 36: Find the phase relationship between the following two waveforms: = -4cos(wt +90°) = -2…

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Q: Distance between two points P - -60-

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Q: amplitude and phase, and spaced wavelength. The pattern shape is * O broadside pattern

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Q: Find the core diameter for a SMF in the 2nd window if ncore=1.48 & ncladd=1.478 ?

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Q: hat is the polar representation of z = -140 + J170? Oa. z 220.232-50.53° O b. z 220.234-129.47°…

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Q: The current flowing throup h 2H induc toz ie おuen 6. 5 . Find expressi ans for the voeboge,…

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Q: the reflection coefficient. ect one: a. 0.234e34.5° b. 0.447e55.8° c. 0.447e63.5° d. 0.77e-22.6°

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Q: The mathematical description of the square wave with the added noise spike above is

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Q: 9 plane weve is yormally niquet froy ir ou to a seni eufini te slab of pestect = 3:45) Face…

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Q: 12. The polar form for the expression "ja" is O 1.73 at an angle of 210 degrees 1 at an angle of 120…

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Q: What will be the impedance of a 100 mH inductor at 1 GHz?

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Q: SQUARE (+) XFG1 V) PR1 R1 + COM 2k2 D1 (V PR2 1N5392 E IG

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Q: edefine the avuage 4. How do f an ACO wavefloum.? Determine the aaverage value of a full "sectified…

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Q: Calculate the skin depth (in microns) for bronze ( = frequency f= 100 MHz $) a S.) m 107 S at a

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Q: x=2V sinft-) Consider the above series AC circuit, determine the series current I, in its phasor…

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Q: What will be the frequency of the given signal I=5sin(314t + 45°)

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Q: Find the polar form (in radians) z = -2-4i

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Q: ri = 3a, – 2ay + az r2 = 2a, – 4ay – 3a, r3 = -ax + 2ay + 2az Given Find the magnitudes of: Match…

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Q: Determine the value of (3+j2+jejπ/2) + (3-j2-je¯jπ/2).

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Q: Two isotropic point sources with identical amplitude and phase currents, and spaced . Find Array…

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Antenna Characteristics

The antenna is an important concept in the domain of electronics and communication engineering. An antenna forms an integral part of many commonly used devices such as wireless modems, routers, game controllers, mobile phones, bluetooth devices, and so on. In simple terms, any wireless communication makes use of antennas to serve the purpose. An antenna, also known by the term 'arial', is an electrical device that converts electrical signals into electromagnetic waves or electromagnetic waves into electrical signals. An antenna contains a transmission line usually made up of co-axial cable, it then receives the signals and converts them into electromagnetic waves, which are then transmitted via space into their required destination. A communication system essentially makes use of two antennas, a transmission antenna, which converts electrical signals into electromagnetic waves, and a receiving antenna, which receives the electromagnetic waves and converts them back into electrical signals.