Alpha Beta Filter - Sample Program

Sample Program

Alpha Beta filter can be implemented in C as follows:

#include #include main { float dt = 0.5; float xk_1 = 0, vk_1 = 0, a = 0.85, b = 0.005; float xk, vk, rk; float xm; while( 1 ) { xm = rand % 100;// input signal xk = xk_1 + ( vk_1 * dt ); vk = vk_1; rk = xm - xk; xk += a * rk; vk += ( b * rk ) / dt; xk_1 = xk; vk_1 = vk; printf( "%f \t %f\n", xm, xk_1 ); sleep( 1 ); } }

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