signal_processing.h

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#ifndef SIGNAL_PROCESSING_H
#define SIGNAL_PROCESSING_H
 
#include <argos3/core/utility/math/general.h>
 
namespace argos {
 
   /****************************************/
   /****************************************/

   class CStats {
 
   public:
      
      CStats();
      
      inline Real GetMean() const {
         return m_fMean;
      }
      
      Real GetVariance() const;

      inline Real GetStdDev() const {
         return Sqrt(GetVariance());
      }

      void Append(Real f_value);
      
   private:
      
      UInt64 m_unCounter;
      Real m_fMean;
      Real m_fSumOfSquareDiff;
   };
 
   /****************************************/
   /****************************************/

   class CRCLowPassFilter {
 
   public:

      CRCLowPassFilter(Real f_smoothing_factor);

      Real Filter(Real f_input);

      void Reset();
 
   private:
 
      Real m_fSmoothingFactor;
      Real m_fPreviousOutput;
      bool m_bInitialized;
   };
   
   /****************************************/
   /****************************************/
   
}
 
#endif