25 January 2023 3 3K Report

Dear colleagues, could you suggest the most relevant review articles on MIMO radar technology , as well as classic textbooks on the basics of this technology?

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How many public libraries in Egypt, Pakistan or Nigeria?

Dear colleagues! Does anybody have any information on how many public libraries currently available in Egypt, Pakistan or Nigeria? It is very difficult to receive this data, that is not available...

05 November 2023 4,334 5 View

How can i call this type of defect?

Hello, I acquired HRSTEM image of two stacking faults on Ge/GaAs heterointerface and i find it difficult to call such "defect".

08 November 2022 5,455 2 View

The choice of parameters of the pulse voltage to power the discharge - how to compare with sine voltage?

Dear colleagues, interested in your opinion. If you would experimentally compare the characteristics of a discharge when feeding a sinusoidal voltage (amplitude Um, frequency f) with the...

26 March 2020 1,535 3 View

How to determine the size of an obstacle using ultrasound sensors?

Dear colleagues! Share information on possible algorithms for processing signals from ultrasonic sensors, allowing you to assess the range and size of obstacles (in horizontal and vertical...

09 March 2020 1,745 3 View

How to export data from Magellan software?

I need to export data from Magellan V 3.4 software. It works with Ultra 354 spectrophotometer/fluorometer (build by Tecan). It is clear how to export data in Excel for one measurement/data...

27 February 2019 644 0 View

Vapor vs liquid phase hydrogenation: general considerations..?

Hello dear Colleagues, I'm trying to apply the general statements of the Catalysis science to the question. It seems that in any hydrogenation reaction (say with the fix-bed solid catalyst)...

23 September 2018 6,950 13 View

How can i calculate HAADF collection semi-angles for different camera lengths?

I have a Fischione Model 3000 detector with inner and outer diameters 4 and 28 mm respectively

18 January 2018 259 2 View

Did anyone used Lipogro or Fetalgro for cell culture?

I wonder if anybody used Lipogro or Fetalgro for cell culture? Does either match or outperform FBS for cell lines?

09 February 2017 1,080 1 View

What are the possible ways to train hidden Markov models on incomplete sequences and classify incomplete sequences using these trained models?

Incomplete sequence means that some observations are randomly missing from the sequence.

25 April 2016 6,602 2 View

What kind(s) of connotations do such words as "peasant", "village" or "rural" have in everyday colloquial practices within your culture?

Pace of urbanization and thus forming really wide public spaces is very different from historic as well as geographical point of view. In any case this process means that a number of people whose...

19 April 2016 5,462 24 View

Similar questions and discussions
Why is there a significant edge deviation in radar point cloud and camera registration?

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

What is the difference of one-port and two-port data in the radar signal processing?

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

What is the maximum value of Divesity Gian in MIMO? For two antenna system its 10dB. As no. of antennna increse diversity gain increase or decrease?

Somewhere on the internet, it's reported the maximum diversity gain limit theoretically can be achieved is 10dB. Some papers said it increases with more antennae and some said it will decrease.

09 June 2024 5,121 2 View

How to conceive a feasible TDMA schedule to replace/improve CSMA/CA in MANETs ?

feasible: all to one (UDP unicast or multicast) stream traffic, images from all mobiles/nodes sent to one mobile/node. TCP modified for node-to-neighbour operation or end-to-end. Can rely on...

05 May 2024 2,535 1 View

Event based camers in autonomous driving?

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

MIMO antenna vs array antennas???

Greetings, despite MIMO and array fall under the umbrella of multi antenna system, what are the features that distinct one from the other. At the same time, what factors makes one to be far...

16 April 2024 9,905 2 View

Why DEM-corrected VV-VH output rasters are weirdly cropped/distorted using SNAP-ESA?

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

What is the unit of CCL in MIMO antenna?

I found various units at various literatures for CCL. In some figures I found it is placed as CCL (dB). But somewhere else the formula provided is - log(base 2)det(Br), here base is 2, also in...

20 March 2024 1,500 1 View

Why can't Ansys HFSS be used for LiDAR Based Simulation?

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

What is the unit of Diversity Gain in MIMO antenna?

I received a response to add the unit of diversity gain in plot. When we go from formula of DG which is computed from ECC, it is unitless, because ECC is unitless and also we do not use any...

20 March 2024 799 1 View

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