Rajiv Kumar

13 Questions 25 Answers 0 Followers

Questions related from Rajiv Kumar

Need explaination on fuzzy logic

i want to learn fuzzy. i found lots of papers, material on internet. i tried implementing on real data collected. i performed statistical operation to get value for a particular segment (from long...

07 July 2015 6,174 0 View

File Uploading to Web Server using Android

How can i upload my csv file from Android device storage to a directory on my Web server. I have set permissions 777 for directory on my linux server. Please provide some code samples or links to...

09 September 2014 5,832 2 View

What is a time sliced data graph?

I have a big time series of data in hours/minutes. I want to plot it as a time sliced graph. The size of time slice should be 1 second. What is time sliced data? How can I plot the time sliced...

04 April 2014 601 0 View

Anyone have experience assigning GPS map data with coloring options,like traffic data, on Google?

I have longitude,latitude,altitude and one processed data D. I want to draw a map on Google Map with this information. The map is drawn using latitude, longitude, altitude. The D is to show on...

02 February 2014 9,355 6 View

What exactly does "average of every 5 seconds of data" mean in a total of 415 seconds of data?

This is a trend detection kind of thing. I have time series data. I have to analyze it after every 5 seconds. I am taking an absolute sum of data values of every 5 seconds of data, dividing it...

02 February 2014 5,525 5 View

What is synthetic data?

I want to know about synthetic data, its use and how it can be prepared using MATLAB?

02 February 2014 5,332 10 View

How do I set the number of neurons in feed-forward neural networks when two outputs are required?

Suppose we have to predict the class of output from a neural network. I want to get the class type, and the numerical value that represents the class type obtained at the first output neuron.

01 January 2014 5,631 3 View

How do I calculate IRI (International Roughness Index) for a road classification?

I have calculated IRI using the formula given in "Study of calculation of IRI based on power spectral density of pavement surface roughness" by Lou S. Wang et al. This formula is for the China...

01 January 2014 3,999 4 View

What would be the processof getting instantaneous speed from GPS?

The gps device has accuracy up to 5 meters. How to calculate speed from the GPS readings. I have latitude, longitude, altitude and data is sampled at 20Hz.

01 January 2014 7,224 3 View

What is the cutoff frequency for filter design to apply to vehicle vibration measured using accelerometer?

The vehicle is moving at constant average speed of 20Km/hour. The vibration due to road profile is logged using tri-axial accelerometer and filtered to remove noise. The cutoff frequency is the...

12 December 2013 6,287 8 View

How to write matlab script for quarter car modelling passive suspension system?

Quarter Car Model

12 December 2013 2,806 4 View

How to find the frequency of an accelerometer of an android based mobile phone from the recorded accelerations in three axes?

I want to find signal frequency. I know the sampling frequency or logging frequency (Fs=20Hz). I have tri-axial accelerations data logged. Now, I want to know the frequency of signal generated...

07 July 2013 6,305 4 View

How to register two signals obtained from two devices or repeatedly from a single device?

I want to find the registration point of a signal to process it further. Is centroid technique okay? Can you suggest some other technique? My purpose is to find similarity and dissimilarity...

06 June 2013 2,374 12 View