How to get the natural frequencies and mode shapes using several acceleration data?

More Satish Jawalageri's questions See All

How to do Matrix inversion using FPGA ?

I need to implement matrix inversion in hardware. The size of the matrix can be anywhere from 50 *50 to 8*8. Are ready-made standard codes available or inbuilt modules available with FPGA...

15 February 2021 4,006 3 View

What are the different units of determining the concentrations of gases in ambient air?

Gases in ambient air are measured in various units. Like ppm, ppb, percentages, microgtam per cubic meter etc. What are these exactly? I am new to the air field. earlier I worked with soil and...

27 November 2020 3,908 1 View

Are oil glands present in sandalwood? Or it is a byproduct of sapwood to heartwood formation?

I came to know that there is no oilglands in sandalwood and it is a byproduct during transformation of sapwood to heartwood. Is it true?

04 October 2020 8,216 2 View

How to get consensus of results produced by four miRNA target prediction algorithms (RNA22, miRanda, TargetFinder and psRNATarget)?

Different miRNA target prediction algorithms use different scores which is not comparable directly. So what is the most reliable way to get the consensus of results produced by different miRNA...

24 August 2020 9,659 4 View

Is it useful to have consensus of results produced by four miRNA target prediction algorithms (RNA22, miRanda, TargetFinder and psRNATarget)?

RNA22, miRanda, TargetFinder, and psRNATarget are four different algorithms aiming at finding miRNA targets. Many research-work claims at using a consensus of the result produced by these...

23 August 2020 5,058 5 View

Is there any proven relationship between COVID-19 death and air pollution?

It is observed that, the cities with higher air pollution witnessed comparatively more no of deaths of COVID-19 infected patients in the world. Kindly provide your valuable inputs regarding the...

08 April 2020 4,384 30 View

How to draw the sketch of mealybug?

Dear Taxonomist This is Satish Harde from Jalna Maharashtra India, i want to know what is the method to draw the sketch of mealybug or any insect as shown in the attached file. Thanks with...

28 March 2020 5,044 3 View

Is any research paper available on bioinsecticidal properties of some plant extracts on Cowpea weevil (Callosobruchus maculatus)?

We want to see the bioinsecticidal properties of some plant extracts on Cowpea weevil (Callosobruchus maculatus) on stored Cowpea Vigna unguiculata.

13 February 2020 8,987 8 View

Can anybody suggest some good book on "Global Warming"?

I am searching for a book comprising the causes, effects and solutions of global warming. It would be very helpful if anybody can suggest some book or relevant literature.

11 February 2020 1,687 4 View

Is there something like "Soul Computing". I am talking about Algorithms that are designed based on Souls. The word Soul is found in religious texts?

I searched "Soul Computing" on Google but didn't found any proper link. Soul/Atma is found in religious texts.

14 October 2019 4,039 2 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How two melting peaks in DSC of polypropylene can be merged into one crystallization peak?

The figure shows DSC cooling (blue) and 2nd heating (green) curves (step: 10 K/min) for a commercial sample supplied as Atactic Polypropylene (APP). The heating curve illustrates two major...

03 March 2021 5,857 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

Anders Buen

Are you sure that you have enough signal from the accelerometer? That is: does it have the appropriate charge source and amplifier? It is strange that you see no peaks and vallies in the spectrum.

Sattar Mohammadi Esfarjani

FFT method is one the best method to extract natural frequency from acceleration data.

https://www.mathworks.com/matlabcentral/answers/12668-extract-natural-frequencies-from-acceleration-data-by-fft