Looking for drone tracking radar, starting from several kilometers and 0.01 RCS
Dji has a good ecosystem to try it out.
https://store.dji.com/cn/product/zenmuse-l1-and-dji-care?from=menu_products&vid=109702
How if a typical ED (Erbium-doped) fiber can be used as a CPA (coherent perfect absorber) for certain absorption Laser frequencies, e.g. 532nm, 650nm? Or, if one can devise a ED fiber being the...
08 June 2022 3,518 1 View
A LP free-space Laser source's MFD, waist and other factors (e.g. z, x-y and rotation offsets) get well aligned with a PM fiber coupler (slow axis is in vertical). How and why will the PM fiber...
08 June 2022 1,542 4 View
As being an amateur Quantum Optics researcher, I am looking for RG's help with comprehend a few questions re. my fiber Labs. 1. Assuming HeNe laser sources with LP and Random polarizations (RP),...
02 June 2022 1,837 6 View
I am amateur RG member worked on Quantum Optics research works. My Lab setup does need to use Er or Yb doped fibers which is sensitive to the core diameters of the available Er doped fibers....
03 May 2020 8,350 0 View
I surfed on the web for quite some time, including RG, but failed. I understand Matlab and ImageJ are both sophisticated and useful softwares that can be working with various image processing...
23 February 2020 6,311 3 View
Please advise me more ... I understand BBO is one of those up down conversion materials with efficiency in very low % ranges. I am scientist worked on Quantum Optics research works. May you...
20 November 2018 8,266 7 View
Does anybody know of any academic work where the use of biotechnology to breed insects for food and feed is discussed?
18 September 2017 4,670 7 View
I have been experiencing difficulty locating credible information on the contrindications of CPAP usage for patients with a pneumothorax. Does anyone have information to share? Thank you.
01 February 2016 6,984 8 View
I need help trying to figure out how to wireless control an electric motor with a small handheld device while underwater to depths as much as 100 feet but while only being 10 feet or less distance...
07 August 2015 6,897 2 View
please indicate RCS and auto locking capabilities
01 January 1970 2,267 3 View
The above are manually labeled extrinsic matrices based on the first image It can be seen that the projection error at the edge is large, while the error at the center is small. What could be the...
23 July 2024 7,479 3 View
Crack detection using Jestson nano board with real time camera
10 July 2024 6,283 0 View
For the radar signal processing, we can use either one port signal (ex. S11) and two port signal (ex. S21). What is the difference or pros and cons of the two methods?
20 June 2024 6,052 1 View
Dear All, I wanted to know if anybody has experience in processing multispectral data from the DJI Mavic 3M using OpenDroneMap? I know, that ODM works with Phantom 4 multispectral data. Are there...
26 May 2024 797 3 View
Such as battery, localization, communication, safety and more.
21 May 2024 5,080 0 View
Can event-based cameras be competitors for LIDAR or radar in autonomous driving, as their data has lower size and can capture very fast and tiny movements?
17 April 2024 4,968 0 View
Hi, I'm facing solid troubles when trying to apply Terrain Flattening then Range-Doppler Terrain Correction processings on a bunch of VV-VH .dim (BEAM-DIMAP format) using SNAP (9.0.8). Input...
09 April 2024 679 0 View
Good day. please i need a step by step process on how to make an autonomous drone delivery system?
02 April 2024 7,917 1 View
Because the barometric value has delayed time to respond to a change in altitude, I was trying to use "Kalman filter" to fuse 2 sensors (accelerometer and barometer) and I got the results that...
21 March 2024 8,441 1 View
Hey All, I am currently trying to simulate an FMCW Lidar in Ansys HFSS which I used for RADAR Simulation and I cannot find a way out to perform Lidar based simulation. If anybody knows how to do...
20 March 2024 2,749 2 View