Dear everyone
Can any one help me know: What is the difference of coherrence property of light at the surface of the Sun and at the surface of the Earth?
Thanks a lot!
06 July 2017 7,667 4 View
Can you tell me what factors effect to the refractive index of a environment? How does density of particle, particle size in a environment effect to refractive index of that invironment? How to...
07 August 2016 4,673 3 View
01 January 1970 937 3 View
I am using ASAP software. I have a file "file.inr" in ASAP software. Now i want to call and run the file "file.inr" by comand in MATLAB software. I have used the command "system" to call this file...
01 January 1970 5,140 0 View
In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...
03 March 2021 1,682 3 View
Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....
02 March 2021 7,890 2 View
I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...
02 March 2021 752 2 View
Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...
02 March 2021 8,481 3 View
I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...
01 March 2021 5,902 3 View
When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...
27 February 2021 6,326 2 View
Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...
26 February 2021 7,084 2 View
Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...
24 February 2021 8,625 4 View
I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...
22 February 2021 4,240 4 View
20 February 2021 2,840 3 View