23 Questions 49 Answers 0 Followers
Questions related from Suman Maroju
When I apply signal processing on my raw signal, say I apply compression algorithm, then I need to know how much my signal is preserved. One way to check how much my signal is retained is PRD-...
04 July 2016 413 4 View
We are a team from IIT Kharagpur, India working in a SHM project with Indian Railways, RDSO India. We are looking forward to visiting a SHM research laboratory as knowledge exchange tour. So if...
18 June 2015 5,264 4 View
I am currently using an auto regression model for time series data. What other models can perform better. I am basically trying to model the vibration of an accelerometer data.
19 March 2015 5,375 5 View
I am doing some simple detection of voice. Say I have 10 samples of a person "A'S "voice.1,2,.......10 (10 samples of A uttering say "Hello"). Now I want to design a simple system which can...
07 February 2015 500 4 View
I want to do complete analysis from ecg signal,like any disorders are present in the signal pattern etc. So is there any open source library available to do the analysis in matlab or c.
15 January 2015 4,098 6 View
What is fast metric kernel density estimation? What are its applications?
14 January 2015 4,862 2 View
Can I use ftp to send data to remote locations using GSM links. Since 2G/3G links are not always good, what kind of file transfer protocols can best suite the task of sending/receiving data using...
28 December 2014 9,838 4 View
Say I hit the free end of cantilever beam hinged at other end with a hammer and find the frf of middle point on the beam. In the second case I put the shaker at the free end of the same hinged...
27 November 2014 2,058 9 View
I can find mahalnobis distance for my particular type of signal, say for vibration data of healthy structure and then compare the distance with the unhealthy ones to detect it. So what are such...
27 November 2014 5,696 2 View
Different trains pass over a bridge. Now how to know from the vibration/ accelerometer data of a bridge over which the train pass the type of train passing? I suppose that every trains like goods...
27 November 2014 8,891 5 View
Which boards perform best for real time calculations? Do Beagle board types of hardware calculate faster, or do other low level micro controllers do the real time computation fast?
17 November 2014 5,637 7 View
I have observed that curve fitting through rpf method is very dependent on the range of data being taken It fits differently for different range of same data. I am attaching three pics where rpf...
12 November 2014 1,860 3 View
I basically want to collect data and send it to some remote location. There could be three ways I can accomplish the task: 1)I can use my android phone to collect data from and use the phone gsm...
12 November 2014 519 2 View
Please can any body give the details of calculating operational mode shape of a structure. As far as I know to get mode shape, first a FRF is obtained from series of sensors and then rpf (...
07 November 2014 5,532 3 View
We have writting an algo in linux c which works well.But not I want to dump it to a hardware platform for better portability, power efficiency and other factors like cost scalability etc. So which...
31 October 2014 7,812 6 View
Which are the best techniques to detect damages in civil structures particularly in Bridges? Whether model based or non model based techniques work better? Like non-model based we have statistical...
29 October 2014 6,184 12 View
I am modelling a bridge which has different dect section requirements other than provided by the CSI Bridge software. So How to make custom dect section in csi bridge?? Actually I am making a...
16 October 2014 607 3 View
I have installed accelerometers on a bridge on which train goes. I don't have any force sensors on the bridge. Now in this condition can I calculate the FRF of the bridge. FRF=Acceleration...
14 October 2014 9,482 8 View
Can I make an force sensor out of my accelerometer sensor so that I can calculate the force being applied on any object (force function)?
14 October 2014 8,772 4 View
Suppose I want to calculate FRF curve for moving train over railway track then how can I get the force function for the train? How can I calculate the force function from accelerometer data?
26 September 2014 4,907 3 View
Suppose I want to find the FRF- Frequency Force Function of a cantilever beam. I am using 10g accelerometer which gives me the acceleration values of the beam after impact. Now I want to get the...
26 September 2014 8,706 6 View
I want to automate all by bridge modelling not directly using the program interface rather using a scripting language like matlab,vba,.net etc. Sap2000 provides OAPI but I could not find options...
22 August 2014 8,897 13 View
Hi all, I can import an .s2k file to an existing model using Sap2000 GUI program using File>Import options. But I am unable to find function to do this in through SAP OAPI. I basically want to...
06 August 2014 9,480 1 View