Mind Peak WaveRider Especificaciones Pagina 4

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5.3.4 Electronics unit................................................................................ 29
5.3.5 Hatchcover...................................................................................... 31
5.3.6 Antennae......................................................................................... 32
5.4 Wave motion sensors: Accelerometers, inclinometers and compass..... 34
5.4.1 Wave height, principle of measurement.......................................... 34
5.4.2 Wave direction, principle of measurement ...................................... 34
5.4.3 Buoy axes and references .............................................................. 34
5.4.4 Inspection of the fluid level.............................................................. 35
5.4.5 Sensor fluid and temperature.......................................................... 36
5.4.6 Calibration of the vertical accelerometer......................................... 37
5.4.7 Platform offset and stability............................................................. 37
5.4.8 Magnetic compass.......................................................................... 38
5.4.9 Pitch and roll ................................................................................... 38
5.4.10 Horizontal accelerometers ............................................................ 38
5.4.11 Filtering ......................................................................................... 38
5.4.12 Specifications................................................................................ 39
5.5 Wave motion sensor: GPS..................................................................... 41
5.5.1 Wave measurement principle.......................................................... 41
5.5.2 GPS motion sensor......................................................................... 41
5.5.3 GPS and atmospheric or marine conditions.................................... 41
5.5.4 GPS antenna and pseudo-motion................................................... 41
5.5.5 Signal loss and flag......................................................................... 41
5.5.6 Selective availability........................................................................ 42
5.5.7 Filtering ........................................................................................... 42
5.5.8 Specifications.................................................................................. 42
5.6 Data processing ..................................................................................... 43
5.6.1 Wave height spectrum .................................................................... 43
5.6.2 Wave direction spectrum................................................................. 44
5.7 Data format ............................................................................................ 47
5.7.1 Datawell real-time format ................................................................ 47
5.7.2 Datawell message format................................................................ 53
5.8 Mooring .................................................................................................. 64
5.8.1 Stainless steel................................................................................. 64
5.8.2 Anchor weight ................................................................................. 64
5.8.3 Shackles and split pins ................................................................... 64
5.8.4 Polypropylene (PP) rope................................................................. 65
5.8.5 Sinker.............................................................................................. 66
5.8.6 Floats .............................................................................................. 67
5.8.7 Rubber cords .................................................................................. 67
5.8.8 Chain coupling and swivel............................................................... 68
5.8.9 Anodes............................................................................................ 69
5.8.10 Standard mooring layout............................................................... 70
5.8.11 Applicability of the standard mooring layout.................................. 76
5.8.12 Mooring preparation...................................................................... 76
5.8.13 Deployment................................................................................... 76
5.8.14 Recovery....................................................................................... 78
5.8.15 Mooring hazards ........................................................................... 79
5.9 Hull and hatchcover ............................................................................... 80
5.9.1 Packing frame and buoy weights .................................................... 80
5.9.2 Hull, Cunifer10, corrosion and painting ........................................... 80
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