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avinash pabbireddy


Attivo dal 2013

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Professional Interests: signal processing and robotics

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Domanda


How to load data from a .txt file to matlab in the form of a matrix???
I am saving data in a .txt file from c++ code which is continuously updating in real time.can i get this real time data loaded i...

oltre 10 anni fa | 1 risposta | 0

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Domanda


i have a code written in visual studio to get data from 4 sensors and it is using matlab for real time plot can u please tell me how to save data from visual studio to matlab workspace??
include "stdafx.h" HANDLE g_hComPort = INVALID_HANDLE_VALUE; // handle for the serial communication port mxArray* g_mxSi...

oltre 10 anni fa | 0 risposte | 0

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Domanda


i am reading data from a node with four force sensors and Xbee and i have Xbee receiver.i want to get the sensors data continously int to my pc using serial communication.my sensor data lies in 13,15,17,19 bytes of a 20 byte packet sent by Xbee
%run('clean'); clear all; close all; delete(instrfindall); s = serial('COM5'); %assigns the obj...

oltre 10 anni fa | 1 risposta | 0

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Domanda


i'm using hmm for classification of vectors i have a matrix 6*400 matrix each row corresponds to a state from 1-6.i'm trying to estimate transmission and emission matrices but i have a problem ,all the vector coeffcients are values not integers
[TRANS_EST, EMIS_EST] = hmmestimate(or, target) or seq matrix 6*400; target state matrix 6*400 Attempted to access E(1...

oltre 10 anni fa | 1 risposta | 0

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Domanda


i am trying to get data from a sensor for a specific time i want to get data n a matrix which updates automatically can anyone help in creating a dynamic matrix
clc; close all; clear all; delete(instrfindall); data=zeros(2000,1) s = serial ( 'COM3', 'BaudRate', 115200); fop...

oltre 10 anni fa | 1 risposta | 0

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Domanda


i'm acquiring data from ni9234 and at the same time i'm collecting values from xbee i want these two codes to execute at the same time in a single matlab file
clc; close all; clear all; delete(instrfindall); s = serial ( 'COM5', 'BaudRate', 115200); set(s, 'Timeout',0.08048...

oltre 10 anni fa | 0 risposte | 0

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Domanda


i'm trying to get data from force sensors using Xbee and the buffer size is 512 i want the xbee to collect the data for 1 minute exactly
clc; close all; clear all; delete(instrfindall); s = serial ( 'COM5', 'BaudRate', 115200); fopen(s); format shor...

oltre 10 anni fa | 1 risposta | 0

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Domanda


i am try to get the 4 sensors data from a serial port and my data lies in 13,15,17,19 bytes of a packet .I want to plot the data of each sensor in real time but i am facing problem even though one sensor is giving maximum output i couldnt see it i
%run('clean'); clear all; close all; delete(instrfindall); s = serial('COM5'); %assigns the object...

oltre 10 anni fa | 0 risposte | 0

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Domanda


i am trying to get emg and force data simultaneously using parallel computing tool box but i am unable to read the data???
i am using the below code if matlabpool('size') == 0 matlabpool open local 2 data1=zeros([122880,2]); data2=zero...

quasi 11 anni fa | 1 risposta | 0

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Domanda


how can we run two matlab codes simultaneously in a single file where these two are independent to eadh other??
tic clc; close all; clear all; delete(instrfindall); s = serial ( 'COM5', 'BaudRate', 115200); set(s, 'Timeout',...

circa 11 anni fa | 1 risposta | 0

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Domanda


can anyone help me with real time data plot using ni 9234
s = daq.createSession('ni'); s.addAnalogInputChannel('cDAQ2Mod1', 0, 'Voltage'); s.addAnalogInputChannel('cDAQ2Mod1', 1, 'Vo...

circa 11 anni fa | 0 risposte | 0

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Risposto
i'm trying to use hmm tool box but i'm getting some error with the following code please help me out
i downloaded the tool box and i'm using this path C:\Documents and Settings\temp\Desktop\avinash\sto\HMM\HMMall\HMM as my curren...

circa 11 anni fa | 0

Domanda


i'm trying to use hmm tool box but i'm getting some error with the following code please help me out
O = 6; Q = 6; prior0 = normalise(rand(Q,1)); transmat0 = mk_stochastic(rand(Q,Q)); obsmat0 = mk_stochastic(rand(Q,...

circa 11 anni fa | 2 risposte | 0

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Domanda


i have a set of matrices with matrix size 28*1198 and target vector with size 1*1198 i want to use HMM for classifying sequences can anyone give some information regarding state,emission.transitin matrices??
i want help regarding construction of transition matrix and emission matrix

circa 11 anni fa | 0 risposte | 0

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