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Q. What do you mean by Signal multipath?
Signal multipath occurs with electromagnetic wave propagation via sky wave in the HF range. When the transmitted signal reaches the receiver through multiple propagation paths with different delays, signal fading may result. Both atmospheric noise and thermal noise become the additive noise at high frequencies. It is possible to have ionospheric scatter propagation in the frequency range of 30 to 60MHz, and tropospheric scattering in the range of 40 to 300MHz; but relatively large antennas are needed with a large amount of transmitted power, because of large signal propagation losses.
What makes them sine? Ans) Fourier tells that only a sine wave has no harmonic content. The math works out that if you have any wave shape other than a sign wave, you can brea
Trivector Meter A trivector meter is designed to record active, reactive and apparent energy along with MD indicators on all. The trivector meter is a compact unit. It exchan
All semiconductors in their last orbit have (A) 8 electrons. (B) 2 electrons. (C) 4 electrons. (D) 6 electrons. Ans: All semiconductors in their
Q. Explain working of Common drain amplifie? When an ac signal drives the gate of JFET, it produces an ac drain current. It flows through Rs and produces an ac output voltage t
how does this circuit work and what are th electrical components in it do?
Hexadecimal to Binary Conversion Conversion from hexadecimal to binary is the reverse of this process. Express each hexadecimal digit in four bit binary equivalent
what are measuring devices?
STC Set Carry Instruction This instruction sets the carry flag to 1. The instruction format is STC Flags except carry no other flags are affected
How do I calculate the line-cable and cable-line values of reflection and refraction coordinates?
Design a Mealy system whose output is 1 iff there have been exactly two 1's followed by a 0 and then a 1. (a) Assume overlapping is allowed (b) Assume overlapping is not
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