Electronic Navigation Systems 3 Part 2 pdf

... increases. Table 2. 2 Echo sounder range vs pulse length vs PRF Depth (metres) Pulse length (ms) PRF (pulses per minute) 5, 10 and 20 0 .25 750 40 0 .38 37 5 100 1.00 150 20 0 2. 00 75 400 and 800 3. 60 42 Depth ... reflected by the seabed. 48 Electronic Navigation Systems Figure 3. 3 A shipboard installation. (Reproduced courtesy of SAL Jungner Marine.) 20 Electronic Naviga...

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... equipment tests 20 1 6.10 Examples of integrated bridge systems 20 1 6.11 Glossary 22 0 6. 12 Summary 22 2 6. 13 Revision questions 2 23 Chapter 7 Electronic charts 22 4 7.1 Introduction 22 4 7 .2 Electronic ... types 22 7 7 .3 Electronic chart systems 23 4 7.4 Chart accuracy 23 9 7.5 Updating electronic charts 24 2 7.6 Automatic Identification System (AIS) 2 4...

Ngày tải lên: 12/08/2014, 02:22

... courtesy of SAL Junger Marine.) Figure 3. 27 Electronics unit functional block diagram. (Reproduced courtesy of Litton Marine Systems. ) 54 Electronic Navigation Systems ᭹ Ocean currents may introduce ... angle of propagation by the use of Figure 3. 23 (a) Principle of the alpha transducer array. (b) A 72- element alpha transducer array. 78 Electronic Navigation Systems When...

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... 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .3 1 .3 1 .3 1 .3 30 1 .3 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .3 1 .3 25 1 .2 1 .2 1 .2 1 .2 1 .2 1 .3 1 .3 1 .3 1 .2 1 .3 1 .3 1 .3 1 .3 20 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .3 1 .2 1 .2 1 .2 1 .2 1 .3 15 ... 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .2 1 .3 1 .2 10 1 .2 1 .2 1 .2 1...

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... 01.16 W 30 4.0 27 5 Butt of Lewis 58 .31 N 06.16 W 29 4.0 27 5 Girdle Ness 57.08 N 02. 03 W 31 1.0 27 5 Tory Island 55.16 N 08.15 W 31 3.5 27 5 Flamborough Head 54.07 N 00.05 W 30 2. 5 185 Point Lynas 53. 25 N ... 53. 25 N 04.17 W 30 5.0 185 Nash Point 51 .24 N 03. 33 W 29 9.0 185 North Foreland 51. 23 N 01 .27 E 31 0.5 185 St. Catherine’s 50 .35 N 01.18 W 2 93. 5 185 Liza...

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... L2 carrier (MHz) –7 1598.0 625 124 2. 937 5 –6 1598. 625 0 12 43. 3750 –5 1599.1875 12 43. 8 125 –4 1599.7500 124 4 .25 00 ↓ + 13 1609 .31 25 125 1.6875 Expression for channel increment: L1 = 1598.0 625 + 0.5 625 ... 64.8° Planes: 6 3 Number of SVs 24 24 Carrier frequency L1: 1575. 420 MHz 1598. 625 0–1609 .31 25 MHz L2: 122 7.600 MHz 124 2. 937 5– 125 1.6875 MHz Code clock rate C/...

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... 20 02; 1 .2 ships engaged on international voyages constructed before 1 July 20 02; 1 .2. 1 in the case of passenger ships irrespective of size and tankers of all sizes, not later than 1 July 20 03; 1 .2. 2 ... Maritime Centre.) 25 8 Electronic Navigation Systems Figure 7 .20 Passage plan for a route into Immingham on the River Humber. (Reproduced courtesy of PC Maritime.) Elec...

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... tan –1 V cos (course) 900 cos (latitude) + V sin (course) Figure 8 .22 Use of vectors in calculating errors 28 8 Electronic Navigation Systems 8.8.1 The stationary element This is the main supporting ... torque. (Reproduced courtesy of Sperry Ltd.) The ship’s master compass 27 7 Figure 8.10 Continued 27 2 Electronic Navigation Systems 8.4.1 Bottom-heavy control Figure 8.8(b) il...

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... board (ADIS) from an RS- 23 2 or RS- 422 interface. Interface data Compass interfacing with external peripheral units is done using NMEA 01 83 format along RS- 23 2 and RS- 422 lines. Table 8.1 shows ... control panel Latitude Automatic from the GPS via RS- 23 2 / 422 in NMEA format $GLL, $GGA Automatic from digital sources via RS- 23 2 / 422 in NMEA 01 83 format $GLL Manually via the cont...

Ngày tải lên: 12/08/2014, 02:22

... with an electronic navigator, compass or speed log equipment: channel A is configured to be an RS- 23 2 interface and channel B an RS- 422 line. Speed information may be input on the RS- 422 interface ... Litton Marine Systems) Inputs Speed log input Pulsed 20 0 pulse/nautical mile (PPNMI) format (contact closure) Serial RS- 23 2 (channel A or C) or RS- 422 (channel B) communications in...

Ngày tải lên: 12/08/2014, 02:22