threshold of detectability

threshold of detectability

[′thresh‚hōld əv di‚tek·tə′bil·əd·ē]
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In case of high power radars (MW or KW), the levels of signals of main, side and back fans of the radiation diagram at satisfactory distance are high enough to overcome the threshold of detectability necessary to trigger the jammer transmitter.
In case of low power radars (the threshold of detectability is lower due to lower level of a reflected signal) signal level is not often enough high to induce the triggering of the jammer transmitter.
The increase would barely be above the threshold of detectability in a laboratory setting.

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