Kaushik Ghosal

10 Questions 86 Answers 0 Followers

Questions related from Kaushik Ghosal

Is there any relationship between land surface temparature and soil erosion? What do you think?

Recently, I have studied the impact of land surface temperature (LST) on an important soil erosion factor the cover management factor (C factor). My study was on the winter season. It shows a...

16 January 2022 4,425 3 View

Choice among r2 and RMSE for a good model?

I have generated so many models having a different coefficient of determination (r2) and RMSE. In this analysis, it has been seen that it is not mandatory that a model having maximum r2 has a...

16 July 2020 6,279 4 View

Why we should ignore multicollinearity?

In many situations in practice, the explanatory variables (xi) may not remain independent due to various reasons. The situation where the explanatory variables are highly intercorrelated is...

08 July 2020 6,725 21 View

How to convert gamma naught to sigma naught after RTC?

I am using ALOS-2 data. After radiometric terrain correction, I have got Gamma naught image. After that, I just want to have the Sigma naught image from that Gamma naught image.

04 May 2020 8,651 0 View

How to choose Speckle filter?

Currently, I am working with ALOS-2 PALSAR-2 data. I just want to know- Which filter should be best for my data? How to choose speckle filter parameters (e.g.- if I choose Lee Sigma filter, what...

30 April 2020 4,593 0 View

Is there any freely available InSAR processing software (Except SNAP, as it is highly RAM consuming and getting Java heap space error)?

I have stuck with the interferometry of Sentinel-1 data in the phase of coregistration. The SNAP gives java heap space error several times for two weeks. I am finding any freely available software...

21 April 2020 1,330 5 View

Problem "GC overhead limit exceeded”, “Java heapspace error” in SNAP?

Hello, I am using S1 TOPS ESD Coregistration tool with (S1A_IW_SLC__1SDV_20191016T121345_20191016T121412_029484_035ABB_373F) &...

21 April 2020 9,576 1 View

Error in Java heap space in SNAP ?

Hello, I have started doing interferometry using Sentinel InSAR data (S1A_IW_SLC__1SDV_20191016T121345_20191016T121412_029484_035ABB_373F,...

17 April 2020 1,228 3 View

How to find scene azimuth angle in ERDAS IMAGINE?

I just want to know the scene azimuth angle of my ALOS-2 data for the radiometric terrain correction.

07 March 2020 8,063 3 View

How to do a multiple nonlinear regression?

Actually, There are so many software available for nonlinear regression and multi-linear regression. But I haven't find any freely available software for multiple nonlinear regression.

25 February 2020 3,147 3 View