Скачать или смотреть Understanding Over the Horizon Radar

As opposed to traditional line of sight (LOS) radar, over the horizon (OTH) radar enables the detection of targets well beyond the horizon and thus is particularly important for military and defense applications. This video provides a short technical introduction to OTH radars and explains both the two types of propagation modes used (skywave and surface wave) as well as critical technical considerations for the design and implementation of over the horizon radars.

Understanding HF Propagation:    • Understanding HF Propagation  

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Understanding HF Propagation:    • Understanding HF Propagation  

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Timeline:
00:00 Introduction
00:19 Suggested viewing
00:39 About line of sight (LOS) radar
01:40 Applications for beyond line of sight radar
02:52 About over the horizon (OTH) radar
04:16 Two types of OTH radar operation
04:35 About skywave
05:30 About surface wave
06:21 OTH radar considerations
06:41 OTH radar antennas
07:54 Bistatic / quasi-monostatic
08:57 Frequency selection
10:22 About sounding / sensing
11:38 Maximizing signal to noise
12:48 About clutter
13:46 About Doppler
15:01 Summary