1. Provide the answers to the following questions: (a) Find out the dBm and dBW values of 0.36 watts. (b) A coastal radar transmit signal with 20dBW, and the received signal bounced back from the target is only 2%. How much is the received signal in dBm? (c) A 2/2 dipole is located at the origin along the x-axis. Find out the directivity with both linear scale and dB scale in -x direction, -y direction, -z direction, respectively.

1. Provide the answers to the following questions: (a) Find out the dBm and dBW values of 0.36 watts. (b) A coastal radar transmit signal with 20dBW, and the received signal bounced back from the target is only 2%. How much is the received signal in dBm? (c) A 2/2 dipole is located at the origin along the x-axis. Find out the directivity with both linear scale and dB scale in -x direction, -y direction, -z direction, respectively.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

1- The HPBW of 22 antenna equal to......... 2- The side lobes appear in a loop antenna when 3- The conditions of the end-fire array antennas are and 4- The PLF-0.5. in the angle between the transmitted and received signal is 5- When no reflection from the antenna, the Return Loss (RL) equal to 6- In order to increase the radiation resistance of the loop antenna WWE is required.
The Subject is Electromagnetic II .
ATR works by measuring the changes that occur in an internally reflected IR beam when the beam comes into contact with a sample.. True False
An air- filled rectangular waveguide has dimensions of a 6 cm and b-4 cm. the signal frequency is 3 GHz. Compute the following for TE10, TE01, TE11 and TM₁1 modes. a- cutoff frequency. b- wavelength in the waveguide. c-phase constant and phase velocity in the waveguide.
What are the approximated sizes of a 8X8 antenna array at 60GHZ mmWave and in 6 GHz UWB?
2. Explain the difference in radiation intensities when distance is decreased and increased. 3. Comment on the contrast of the images obtained at FRD 100 cm and FRD 142 cm including the sensitivity (S) and Latitude (L) numbers in your discussion.
An FM modulator has a carrier frequency of 200 MHz, is frequency modulated by a sine wave signal at a frequency of (fm= 15 kHz). The resultant FM signal has a frequency deviation of ( Af= 45 kHz). (a) Find the carrier frequency swing of the FM signal. (b) Determine the highest and lowest carrier frequencies. (c) Calculate the modulation index for the wave? (d) Sketch, approximately to scale, the magnitude spectrum of the modulator output. Show all frequencies of interest. (e) Calculate the bandwidth occupied by this FM signal? Modulation Sideband index Carrier 1 2 4 5 6 8 10 11 12 13 14 15 16 0.00 1.00 0.25 0.98 0.12 0.5 0.94 0.24 0.03 1.0 0.77 0.44 0.11 0.02 1.5 0.51 0.56 0.23 0.06 0.01 2.0 0.22 0.58 0.35 0.13 0.03 2.41 0.52 0.43 0.20 0.06 0.02 2.5 -0.05 0.50 0.45 0.22 0.07 0.02 0.01 3.0 -0.26 0.34 0.49 0.31 0.13 0.04 0.01 4.0 -0.40 -0.07 0.36 0.43 0.28 0.13 0.05 0.02 5.0 -0.18 -0.33 0.05 0.36 0.39 0.26 0.13 0.05 0.02 0. 19 0.09 0.03 0.01 0.25 0.13 0.06 0.02 5.53 -0.34 -0.13 0.25 0.40…
Q6) An angle-modulated signal with carrier frequency @ =27(10°) is described by the equation. PEM = 10 cos(@t + 0.1 sin 2000z) 1) Find out the message signal if the signal has been angle modulated. Assuming k=1 2) Find out message signal if the signal has been frequency modulated. Assuming kF1000.
For a radar with an RF center frequency of 9.6 GHz and a desired first IF of 2.4 GHz. What isthe LO frequency if it is below the RF? Determine if any of the intermodulation componentsfall into the IF for n = 1 to 3 and m = 1 to 4.
I need a solution within 15 minutes
Estimate the grating period of a second-order DBR for a guided wave at 1.55 µm in a symmetric slab semiconductor waveguide where n = = 3.5 and n2 = 3.45.
4. Again, from the zigzag-path waveguiding model, explain why the group velocity is always slower than the phase velocity in a waveguide with a cutoff frequency.