Abhijit Khadke

5 Questions 22 Answers 0 Followers

Questions related from Abhijit Khadke

How the summation of dBm units gives the value in dB units?

For example -3dBm+30 dBm=27dB

09 September 2014 4,809 2 View

Can anyone give more research details on this record plummet on solar cell cost, with new 44.7% efficiency?

http://cleantechnica.com/2013/09/24/new-solar-cell-efficiency-record-of-44-7-set/

05 May 2014 1,983 1 View

If you rotate a disc with concentric black and white circles in bright sunlight and then stare at it and then bring in dark, why can you see colors?

Such spiral black and white discs when rotated reflects colors; all seven colors and bright colors which are not there. This is a common optical illusion and is still not explained.

04 April 2014 5,724 4 View

How to find out the gradient value in canny edge operator in MATLAB ?

As in sobel operator there are two directions x and y and by taking derivative of it we can find its magnitude and by square root of it to find the gradient value.

12 December 2013 3,666 0 View

Which apodization profile is best: uniform apodization, Gaussian apodization or Tanh (hyperbolic tangent)?

For high data rate & low channel spacing, I used 4 channel High Dense WDM system which includes two FBG filter which are back to back connected. One filter has uniform apodization and the second...

01 January 2013 5,484 0 View