Many ways to monitor motion and acceleration – time to add gravitational sensors
Reading your paper, the first thing that came to mind was to use drones and thermal imaging (LWIR), mm wave and other low cost methods. And add your own permanent reference scatterers at key locations. Maybe you just used a convenient dataset. But you could use LWIR enhanced traffic cams.
It is not any specific sensor, but put your own reference markers. GPS can be used. Even three axis MEMS gravimeters can give precise data over time at fixed locations.
See if you can locate Liang Cheng Tu and ask him what precision they can reach with hourly or 10 minute data from fixed MEMS gravimeters now. Gravity is highly linear and not absorbed as GPS/GNSS electromagnetic signals (as much). He probably has many suggestions, if he has time. Small, work anywhere, three axis. You can use GPS except its signal will often be difficult around metal structures. It depends on what you want to do.
I am betting one day they will get it to 100 GHz gravitational signals at chip scale, so you place a target, insert the three axis, time of flight gravitational sensor, and use that data for large structures. The seismic groups are instrumenting many more buildings, I did not look just now to see if they are doing bridges too. Most likely. If I can think of it, it is most likely a few hundred or thousand groups are looking at it. I try to keep a fair and accurate image of the entire Internet.
Filed as (Many ways to monitor motion and acceleration – time to add gravitational sensors)
Richard Collins, The Internet Foundation
Try https://www.researchgate.net/lab/Liang-Cheng-Tu-Lab
