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What is a reflected radar signal called?
A reflected radar signal is called an echo.
Which adsl network component removes or combines the pots signal from the adsl signal?
Splitter
How does the Doppler effect works?
As soon as there is a relative movement between two objects - one receiver and one transmitter - the wave lenght of the signal received/reflected is changed. Since frequency is inversly proportianal to wavelenght, frequency is changed as well. The difference between sent signal frequency and received signal frequency may be used to calculate your own speed (aircrafts) or another object speed (road speed radars).
What happens when radar beam hits an object?
When a radar beam hits an object, it gets reflected back towards the radar receiver. The time difference between sending the radar signal and receiving the reflected signal is used to calculate the distance of the object from the radar. The radar can also determine the object's speed and shape based on how the radar signal is reflected.
What principle does the time domain reflectometer use to test cables?
The basic principle is to send a signal down the cable and then study the reflected signal back. If the cable is sound without any intermittent faults or arc faults then the reflected signal will be exactly the same as the sent signal. If the cable is not sound, the reflected signal will be 'altered'. By studying the exact location of the alteration, a time domain reflectometer can help identify the exact location of the fault. A more technical, academically reviewed paper with diagrams on how the reflected signal is changed can be found at http://livewiretest.com/analysis-of-spread-spectrum-time-domain-reflectometry-for-wire-fault-location
When does Carrier Signal occur?
The carrier signal occurs at the beginning to transmit information.
Why do LNB's have to be mounted close to the satellite dish?
The LNB takes the signal reflected off the dish, sends that signal through the coax cable to the receiver, where the receiver decodes the signal unlocking the channels you subscribe to.
Latency occurs when a signal travel and one wire or cable infringes on the signal traveling over an adjacent?
false
Some of the RF signal is reflected and some passes through an object but is redirected What is the phenomenon known as?
Refraction
Some of the RF signal is reflected and some passes through an object but is redirected What is this phenomenon known as?
Refraction
How do reflected radio waves affect the transmission of signals in a communication system?
Reflected radio waves can cause interference and signal degradation in a communication system. When radio waves bounce off surfaces and return to the receiver, they can create echoes and distort the original signal, leading to errors in transmission. This can result in poor signal quality and reduced communication reliability.
What type of data transmission occurs in a computer bus?
A digital data transmission occurs in a computer bus. The data are in the form of electromagnetic signal, such as an electrical voltage, microwave, radiowave, or infrared signal.
