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There's no indication that this is a functional weapons system. The entire article appears to be hyperbole from this research paper by Wang Gang, titled: Development of a 20 GW compact lightweight Tesla-transformer pulsed power driver. If you look up Wang Gang on Google, it appears that they've been researching this for close to a decade now at least, and this is their latest system/prototype. The research is very cool, the apparent results are:
The developed pulsed power driver delivers a peak output power of 20 GW, a pulse duration of 50 ns, a pulse flat-top fluctuation of less than 2%, and a maximum repetition rate of 50 Hz. The system has demonstrated stable operation over continuous one-minute durations, accumulating approximately 200 000 pulses with consistent performance. The driver’s overall dimensions are 4.0 m (L)×1.5 m (W)×1.5 m (H), with a total mass of approximately 5 metric tons.
Compared to the conventional 20 GW Tesla-type pulsed power generator, this driver has achieved significant improvements in power density and miniaturization.
Very interesting.
As for high power microwave weapons, the US has them, they even have cruise missiles that can by carried by bombers and tactical fighter aircraft that replace the warhead with a high power microwave generator, with over 100 pulses per cruise missile. (CHAMP/HiJENKS). It's possible that these were used in the attack on Venezuela last month.
