Why permittivity of a material decreases with an increase in frequency of the voltage source?

I am lottle bit confused about that how permittivity of a material decreases with an increase in frequency of the voltage source? Kindly, explain this concept with some example or mathematical. Thanks

03 April 2019 8,107 6 View

Now, I am working on RFID based biomedical sensors. Can any body provide some useful data about this topic?

Basically, I want to design RFID based bio sensors. These sensor find out body temperature, heart rate, respiration level (SpO2). kindly, share some papers or data which help me in this field. I...

09 October 2018 9,078 0 View

White Gaussian Noise PSD is fixed No/2. So how we can investigate that noise variance is average power of the noise?

Prove the above statement in suitable way. Thanks

02 March 2018 6,646 0 View

How we can improve power factor, when load connected with induction motor?

As we know initially PF in case of induction motor is lower, but after some time PF becomes improve. Can any one explains that how we can improve the PF instead by using the parallel capacitor bank?

02 March 2018 7,741 5 View

I want to simulate OFDM in matlab by using the BPSK technique. can any one helpout?

Total bits which I want to transmit are 128. It means channel length is 128. cyclic period bits are 8.

11 December 2017 585 0 View

Can any one prove this question ?

Prove this linear algebra question which belong to matrix operations

08 September 2017 1,488 0 View

Can any one provide me Wind Turbine Free CAD design files?

07 August 2017 9,431 6 View

Can Any one tell me the correct answer with solution or tech about attached picture question?

07 August 2017 5,706 3 View

Kindly, tell me that how can find out the switching angles for 7 level H bridge inverter by using half hight method?

02 March 2017 5,096 1 View

By using Half Height method, I have calculated the main switching angle. How can calculate other switching angles by using these main angles.

the code for main switching angles are attach below.

02 March 2017 4,692 0 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

How to find the mode of classified ocean colour images?

Hello, I have classified 10 S3 OLCI images from the same area (althouth not the same size and/or quadrant) and I would like to do a final image using the mode of the pixel of these 10 images. I...

01 March 2021 9,874 3 View

How to threshold an image despite bright lighting, using ImageJ/Fiji?

Hi everyone, I am using Fiji to determine the percentage of the image covered by leaves, branches, or trunk, but i've encountered some difficulty when the sun hits parts of my image like the one...

27 February 2021 1,194 3 View

Trouble with Charting with Google Earth Engine (Technical)?

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

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

Can a Golgi-stained dendritic spines picture processed by Image J be directly used for publication?

24 February 2021 3,348 2 View