lunes, 23 de febrero de 2009

Describing a system

The radar system consist of a system for receiving and transmitting signals. Each radar is composed by a transmittion antenna and a receiving antenna, there're two parts that we can diferenciate: the receiver and the transmitter.

The transmitter is composed by an oscilator, where the signal is generated, and a power amplifier, where the signal is amplified. The receiver is composed by a radiofrequency amplifier which is used to amplify the signal and a detector where the signal is rectified.

On the oscillator if a target is hit, on the comparator the received signal is compared with a reference signal from the transmitter, after that both signals are displayed in the indicator.