The Doppler shift for mobile moving with constant velocity, v is given by
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- A cellular radio transmitter has a power output of 3 W at 800 MHz. It uses an antenna with a gain of 3 dBi. The receiver is 5 km away, with antenna gain of 12 dBi. Ignoring feedline losses and mismatch, calculate (a) the EIRP in dBW (b) the free space path loss, (c) the power delivered to the receiver in W and dBmThe rms antenna current for an AM transmitter increases by 15% over the unmodulated value when sinusoidal modulation applied. Find the depth of modulation. Use 4 decimal places for the final answer.DISCRETE TIME GIVEN SYSTEM.Determine the poles and zeros of this system, and show how they relate to each other.The system is only marginally stable True False Find the frequency response of this system. ( NEED NEAT HANDWRITTEN SOLUTION ONLY OTHERWISE DOWNVOTE).
- A rectangular waveguide is used to transmit power from a generator to a radar antenna. The guide has internal dimensions of 0.864 cm and 0.432 cm and operates at 23 GHz in TE10 mode. The transmitted power is 50 kW. Determine the magnitudes of the electric and magnetic field strengths in the guide. NEED A NEAT HAND WRITTEN SOLUTION , NO CHAT GPTA transmitter supplied by 100W power is used with an antenna having a gain of 5dBi. *Calculate the EIRP in dBm*Calculate the power density (µW/m^2) at distance of 10km.Please I need a 100 % correct answer some websites are answering the questions by using the frequency and some by using the effective aperture An antenna transmits a power of 2W from an antenna of 20db, towards a receiver located 40 km from the receiver, calculate the power received by an antenna of effective antenna 10 m^2 if the operating frequency is 11 KHz
- The voltage wave propagating on a transmission line is given in real space-time form as v(z, t) = 10cos(4m*10^8 t +1.6 pi *z) + 6cos(4 m *10^8 t +1.6 pi *z). the voltage expression in phasorAn antenna transmits a power of 2W from an antenna of 20db , towards a receiver located 40 km from the receiver , calculate the power received by an antenna of effective antenna 10 m^2 if the operating frequency is 11 KHzThe average relative air density in a 3-phase power transmission line with a frequency of 50 Hz is given as 1.1. Calculate the corona voltage (phase-phase) according to Peek. (m=1, r=2 cm, a= 8m)
- A system has the following characteristic equation: s^4+ s^3+ 3s^2+ 2s + 2 = 0 Using the Routh-Hurwitz method, checka. How many roots are to the right of the imaginary axis?b. Is the system stable?.Determine the quality factor for Maxwell's inductance-capacitance bridge given bellow, when the bridge is supplied by a frequency of 50 Hz.Given P(22, -84 deg, 23) in cylindrical coordinate system, what is θ (theta) in spherical coordinates of P in degrees? (Compute up to 4 decimal places)