How to determinate snow area with radar's imagey (sentinel 1...)?

Abderrahmane Maqrane @Abderrahmane-Maqrane

13 November 2022 0 7K Report

i m using RADAR's imagery to determinate snow area, but i can't arrive to a logical results.

Badges
Science topic

More Abderrahmane Maqrane's questions See All

Has Israel shifted from defending its existence to a more sensitive stage discussing the basic legitimacy of its existence?

لطالما حاولت تل أبيب تثبيت كيانها في منطقة لا تتشابه و أنظمتها السياسية و الاجتماعية و الثقافية بالخصوص ، باعتمادها على قوة " القهر" الدولية في مرحلة تاريخية من تأسيس النظام الدولي ، و مع المساندة...

02 April 2024 6,564 1 View

The impact of theoretical bias on political analysis and comprehensive understanding of issues?

في مجال العلاقات الدولية، تعتبر الحاجة للفصل والتصنيف من الدواع الأساسية لفهم واستيعاب النظريات المجردة والمقاربات النظرية المتعددة لتحليل الظواهر السياسية المعقدة. فعلى سبيل المثال، يمكن لتصنيف...

28 March 2024 9,906 1 View

Is the legitimacy of Western norms and values eroding in the world?

Selectivity, blatant intransigence, and passing on the narrative of a strategic ally to Washington without the common Palestinian-global voice give the impression of American isolationism and...

18 March 2024 3,666 2 View

What is the physical significance of a lapse function that fails to satisfy any of the conditions (6, 7, 8) as shown in the attached file?

Is the “Lapse” function, which does not satisfy one of the conditions (6,7,8) (see the image), a non-physical function, and therefore it is not possible to find the thermodynamic properties of the...

29 August 2023 7,533 0 View

For the FeSiO2 nanocomposite, why the lattice parametres decrease with the increase of lattice strain?

09 August 2023 8,416 1 View

When is it necessary to have normally distributed variables before model training?

I often come across notebooks showing a regression prediction where they start off by normalizing features to make them normally distributed , I find conflicting answers online , so my question is...

23 July 2023 3,145 2 View

Is the dark soliton solution (Tanh) considered a probability density?

I have a question. I read a paper where the authors refer to the well-known dark soliton solution (Tanh(x)) as a probability density. How can it be, if it is not normalizable, meaning the...

18 July 2023 1,561 2 View

What are the strategies to deal with intractable integrals encountered when solving PDE using variational method.?

13 March 2023 1,806 4 View

Comparing LSTM and Transformer Architectures for Natural Language Processing ?

What is the main difference between LSTM and transformer architectures in natural language processing tasks, and which one is generally considered to be the best?

03 January 2023 8,329 4 View

Hello everyone , how to simulate an initial push-out delamination (in the hole exit) in an open hole Composite laminate , by VCCT method in abaqus?

thank you in advance

07 November 2022 7,295 0 View

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

Does anyone have a protocol for MPs assessment in fresh snow?

Dear colleagues Could someone send to me an already validated protocol for microplastic analysis in fresh snow that includes sampling and analysis in the lab? I suppose there is no need to digest...

15 May 2024 2,378 1 View

How does the cheetah den use and threats to cub survival (while still at the den) compare to other big cats?

I am doing a literature review about how the cheetah den use, and threats to cubs while they are still on the den compared to tiger, lion, leopard, snow leopard, jaguar and cougar. I would...

08 May 2024 584 0 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

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

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

How to generate an atmospheric radar image with the coherence and phase? is it possible to generate the image via spectral moments ?

Atmospheric imaging especially ionospheric irregularity imaging with radar interferometry.

21 February 2024 3,930 2 View

How do you remove snow particles on cryoboxes that were stored in LN2?

I have difficulty on removing snow particles on cryoboxes, storing cryovials. The snow particles can sometimes take a lot of space and causing difficulty in closing the cryobox which will later be...

19 February 2024 6,690 0 View

How/where to download MRMS raw grid rainfall data?

Hello Everyone, I'm searching for MRMS raw grid rainfall data across the United States. Can anyone help me with where I can download this data? Additionally, any tips on processing the data...

18 January 2024 4,744 1 View