An obstacle in GWR method (in arcMap)?

Results in OLS method, illustrate a strong relationship between 3 explanatory variables and a dependent variable; however, when it comes to GWR method(using the same explanatory variables),...

27 December 2020 3,508 1 View

What are the effect of data spread on Random Forest model performance?

Since I am using the Random Forest model in R to predict LST (land surface temperature) from actual LST, I realized that model performance is better in lower Average LSTs, thus I wanted to extract...

14 October 2020 9,278 2 View

What is the major meaning of PCs in Principal Component Analysis?

I am using PCA to extract major meaningful data from many different parameters that are embedded in my remote sensing satellite imagery. I know that PCA is a dimension reduction model and the...

13 September 2020 7,596 7 View

Is there any specific Proportion for training and testing set for remote sensing images?

Can I use one Sentinel image for training my model and another one for testing? Since i have two or three images, I wanted to use one or two image for training and the rest for test. However, I...

20 August 2020 9,028 6 View

Solve open channel flow only for turbulence (Ansys-Fluent)?

I am working on an open channel problem. Multi-phase (water+air) VOF, and k-epsilon turbulence model are utilized. I want to study the turbulent characteristics (for example k and epsilon) of the...

10 June 2020 10,009 4 View

Modeling open-channel flows as single-phase in Ansys-Fluent?

I work on an open-channel problem. My current model is a multi-phase (water+air) VOF, with k-epsilon turbulence model. Due to high computational cost of the current model I want to consider...

10 June 2020 331 14 View

How to reduce computational costs of an open-channel flow in Ansys-Fluent?

I am working on an open-channel multi-phase (water+air) flow with k-epsilon turbulence model. How can the computational cost of the model be minimized, while the accuracy and convergence are ensured?

10 June 2020 3,629 8 View

Is it possible to use plant extract as natural sterilizer?

For economic reasons, sterilzation against covid_19 is very necessary, so is it possible to use plant extract?

11 May 2020 2,674 14 View

How to subdivide an RSM (Response Surface Method) domain?

A question just came to my mind! I appreciate any helpful answers. Consider a problem that there are a number of input variables (for example 5 variables), and we have one output parameter. The...

08 April 2020 8,622 3 View

What is the best type of classification(clustering method)?

Currently, I am using SENTINEL2 satellite images in finding the spectral signature of a phenomenon in my study area, therefore I want to use a supervised classification method that specifically...

04 April 2020 4,926 11 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View