Tmr quiz

In frequency modulation when the carrier signal is modulated by the modulating signal with change in amplitude, the following will change.

Indicate which of the following is not an advantage of FM over AM

In FM concept, the rate of frequency deviation is determine by?

What layer of the ionosphere has the greater effect on the radio signal

What is the name given to multipath fading

Overlong distance transmission will a vertically porlarize radio wave be receive by a horizontally porlarize antenna

If a satellite velocity is too high what will happen

The basic function of the transponder of the satellite is what?

The basic purpose of the total transponder is basically what?

Fiber optic cable work on the principals of what

Which modulation is not use in optical communication

What is the preferred light source for optical communications

Which is not a benefit of spread spectrum?

Which statement is true about digital communication?

Which of the following is an external noise

What waves are radiate by the antenna into the upper atmosphere, where they are bend back to earth

In a Geosynchronous orbit the satellite

If the light beam entering the end of the cable has an angle more than the critical angle

In _______, the multiple signals are transmitted in different time slots on a single channel

Quantatizing error in AD commission can be reduce by what

______________ refers to a lost introduce by the circuit of the component

A useful power of a AM signal in the ________

In frequency modulation the carrier ________ remains constant and the carrier frequency is change by the modulating signal

_______ refers to the ability of an antenna to send and receive over a narrow horizontal directional range

__________ Diversity uses 2 antenna space as far apart as possible to receive the signal

An _______ wave comprises both electric and magnetic field.

In satellite communication system the antenna subsystem usually includes a ___ that is a wave guard assembly that permits both the transmitter and receiver to user the same antenna

In ____ orbit the satellite travels against the earth rotation.

The speed of satellite is _____ when it is far away than close to the earth

_______ protocol uses address byte to specify a receiving station.

A photodiode converts ______ to a electrical signal in this optical communication system

A ______ convert the light to an electrical signal in and optical communication system

Cable losses varies with the type of cable in its ________

With pulse modulation the carrier is not transmitted continuously but in __________

In frequency hopping spread spectrum system the time the synthesizer remains on a single frequency is call _________