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IIT Bombay

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Solving steady state Kalman riccati equation
In the equation, AP + PA' + Q - PC'*inv(R)*CP = 0, I know C=1,Q,R are constant 2x2 matrices and A = [0 -q(k);q(k) 0], how do I s...

8 years ago | 1 answer | 0

1

Question

Deleting rows and columns
I have a 359x479 matrix. I want to down-sample it by removing every 2nd, 4th, so on... row and column. Which is the best method?...

8 years ago | 1 answer | 0

1

Question

Pitch angle estimation in purely longitudinal motion
I want to use a Kalman Filter for the same. The equation we have is d(theta)/dt = q, where q is noisy as obtained from rate gyro...

8 years ago | 0 answers | 0

0

Question

Kalman FIlter to obtain pitch angle
I have the pitch rate data q (as shown below). One way to obtain pitch angle theta is to numerically integrate q. But if the mea...

8 years ago | 1 answer | 0

1

Computing a local smoothed numerical integration of a data set
Hello Jan, Say I calculate the numerical derivative without smoothing. Is there any method in that case?

8 years ago | 0

Question

Computing a local smoothed numerical integration of a data set
Hello, I have a data set (pitch rate q_a) shown in blue. Using a standard SIDPAC code, I computed a local smoothed numerical ...

8 years ago | 2 answers | 0

2

Question

Phase difference between two random signals (photos attached)
The two signals are shown in red and blue. Is there any ready-made command for the same? Or a MATLAB code is necessary? <</...

8 years ago | 0 answers | 0

0

Question

Remove high frequency noise
I have a highly corrupted data set (blue in attached image). How do I remove the high frequency noise and recover the original s...

8 years ago | 1 answer | 0

1

Question

Adding noise with certain standard deviation to uncorrupted data
Hello, I have a 1-D data set and I want to artificially corrupt it with noise of a certain standard deviation. Say for accura...

8 years ago | 2 answers | 0