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

How we find frequency response of the signal?

can any on help me that how can i find the frequency response of the given signal? The required signal image is given below.

09 October 2017 8,560 2 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

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

How can I get the coding gene sequences of Hela and U2OS cell lines? Is mRNA sequence of Hsp90 alpha tissue specific??

I am looking for hsp90 mRNA sequence in Hela and U2OS cell lines, I have tried through ncbi but always the output is hsp90 in homo sapiens not in the specific cell line. Kindly, could any one...

22 February 2021 1,853 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View