Howtosignalprocessing
- How threshold detection is used to detect the minimum signal?
- What is minimum detectable signal limit in radar?
- What is minimum detectable optical power?
- What is probability of false alarm in radar?
How threshold detection is used to detect the minimum signal?
Minimum Detectable Signal
If the threshold value is used for detecting the presence of the target from the received signal, then that detection is called threshold detection. We have to select proper threshold value based on the strength of the signal to be detected.
What is minimum detectable signal limit in radar?
A minimum detectable signal is a signal at the input of a system whose power allows it to be detected over the background electronic noise of the detector system. It can alternately be defined as a signal that produces a signal-to-noise ratio of a given value m at the output.
What is minimum detectable optical power?
Minimum Detectable Optical Power
The NEP of a detector is the optical power incident to. the detector that needs to be applied to equal the noise. power from all sources in the detector; in other words, NEP is the optical power that results in an SNR of 1 [2].
What is probability of false alarm in radar?
A typical radar system will operate with a detection probability of 0.9 and a probability of false alarm of 10-6.
