Directional Noise Floor

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Directional Noise Floor• WHAT WE CHANGED:• When possible try to mount the H-ADCPso that it points into the wave energy. Forinstance if you are mounting it to a pierhave it face the ocean, not the beach.• Employ a directional noise floor squelchingalgorithm [see below].
Noise Floor Squelch• The high-level approach is simple. Wesubtract the theoretical noise floor from thedirectional spectra, and are left with thedirectional spectra from the signal only.
Page 1 and 2: Recent Developments inWaves Measure
Page 3 and 4: INTRODUCTION
Page 5 and 6: TELEDYNE RD INSTRUMENTS
Page 7 and 8: OVERVIEW
Page 9 and 10: OVERVIEW
Page 11 and 12: H-ADCP Wave Gages Benefits• Deplo
Page 13 and 14: Wide-Band vs. Narrow-BandBroadband
Page 15 and 16: Wideband vs. Narrowband• Our ADCP
Page 17 and 18: Wideband vs. Narrowband• By using
Page 19 and 20: Depth Considerations• Wave energy
Page 21 and 22: Depth Considerations• WHAT WE CHA
Page 23 and 24: Directional Noise Floor• Horizont
Page 25 and 26: 0.040.0350.030.0250.020.0150.010.00
Page 27 and 28: 0.040.0350.030.0250.020.0150.010.00
Page 29 and 30: Directional Noise Floor
Page 31: Directional Noise Floor
Page 35 and 36: Noise Floor Squelch• We employ sc
Page 37 and 38: Noise Floor Squelch• After analyz
Page 39 and 40: Usage Notes on sinh()/()/cosh()
Page 41 and 42: Usage notes on sinh()/()/cosh()•
Page 43 and 44: Usage notes on sinh()/()/cosh()•
Page 45 and 46: Future areas of Development• More
Page 47 and 48: Conclusions• H-ADCP’s can be us
Page 49: THANK YOU!• Thank You for having

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