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2. BEL Battle Field Surveillance Radar - Wikipedia

   en.wikipedia.org/wiki/BEL_Battle_Field...

   BFSR is a man portable, lightweight, battery operated, surveillance radar. Weighing around 30 kg, it can be carried and operated by two or three-man teams. [10] The BFSR is a fully coherent Pulse Doppler radar, operating with a 10% duty cycle, and a 5W peak power.

3. Pulse-Doppler radar - Wikipedia

   en.wikipedia.org/wiki/Pulse-Doppler_radar

   Pulse-Doppler systems measure the range to objects by measuring the elapsed time between sending a pulse of radio energy and receiving a reflection of the object. Radio waves travel at the speed of light , so the distance to the object is the elapsed time multiplied by the speed of light, divided by two – there and back.

4. Man-portable radar - Wikipedia

   en.wikipedia.org/wiki/Man-portable_radar

   The Ground Observer 12 (GO 12) is a medium-range pulse-doppler radar for ground and coastal surveillance. The system (MTBF > 7100 h) is made in Ditzingen, Germany. The main component, the sensor unit, only weighs 16 kg, which makes it a highly mobile system. The GO 12 uses mechanical scan technology with a continuous coverage of an angle of ...

5. How does Doppler radar work? Is it accurate? Here’s what to ...

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6. Sonicaid - Wikipedia

   en.wikipedia.org/wiki/Sonicaid

   Sonicaid developed a range of fetal monitors, notably the portable Doppler ultrasound products D102, D104 ("Pocket Sonicaid", winner of a Design Council Award for medical equipment in 1976 [2]), D205 [3] [4] and D206 which provided audible output of fetal heart sounds. The original design was due to Frederick (Doug) Fielder who was Sonicaid's ...

7. Pulse-Doppler signal processing - Wikipedia

   en.wikipedia.org/wiki/Pulse-Doppler_signal...

   Pulse-Doppler signal processing begins with samples taken between multiple transmit pulses. Sample strategy expanded for one transmit pulse is shown. Pulse-Doppler begins with coherent pulses transmitted through an antenna or transducer. There is no modulation on the transmit pulse. Each pulse is a perfectly clean slice of a perfect coherent tone.