Classical and modern theories have given us a degree of noise immunity by defining the sufficient statistic of the mean of the likelihood function. The generalized theory moves beyond these limitations to determine the jointly sufficient statistics of the mean and variance of the likelihood function. Signal and Image Processing in Navigational Systems introduces us to the generalized approach, and then delves rigorously into the theory and practical applications of this approach. This volume represents the most in-depth discussion of the generalized approach to date, providing many examples and computer models to demonstrate how this approach raises the upper limits of noise immunity for navigation systems, leading to better detection performances. This book is vital for signal and image processing experts, radar, communications, acoustics, and navigational systems designers, as well as professionals in the fields of statistical pattern recognition, biomedicine, astronomy, and robotics who wish to extend the boundaries of noise immunity and improve qualitative performance of their systems.

The magnetic variation curves have been updated with 2020 data. Under new royalty terms, the DGA (Danish Geodata Agency) have made it unviable to reproduce their copyrighted data. All DGA data has been removed from this chart. There has been general updating throughout.

Today travellers by land, sea and air take accurate navigation for granted but it was not always thus. The author, a highly experienced sailor, sets out to record the development of navigational techniques from the earliest time, five millenniums ago. As explorers started to venture offshore into the unknown they had to rely on the sun and stars for direction. From this pioneers turned to mathematics, astrolobes, sextants and increasing accurate clocks to measure latitude and later longitude. More recently major breakthroughs with electronic navigation, GPS and other satellite systems have revolutionised travel. Focusing primarily but not exclusively on marine navigation, the author weaves a fascinating course through the successes and failures of mankind's quest to explore his world. The result is a thoroughly entertaining and informative work which has no rival.

Written primarily for serving and trainee deck officers, those studying for certificates of competency in merchant shipping and fishermen, Reeds Maritime Meteorology analyses the elements and forces which contribute to maritime meteorology and the principles which govern them. Updated to include the latest developments in the use of satellite technology in forecasting, Navtext and the ramifications of GMDSS, the book examines:

* cloud formation and development

* precipitation and thunderstorms

* atmospheric pressure and wind

* ocean currents and swell

* tropical revolving storms

* the development and distribution of sea ice

* weather routeing

* passage planning

* the management and care of cargo in heavy weather

This revised edition covers significant developments in the variety of forecasts available for the seafarer, coverage of global warming and weather routing options, as well as updates throughout in line with technological advancements and research discoveries, and updates to the exam questions at the end of each chapter.

A no-nonsense study guide helping seafarers to pass their MCA or Flag State oral exams for Deck Officer qualifications. This handy revision guide is the one book that Deck Officer Cadets, Master and Deck Officers will want by their side when studying for the much-feared oral exams. Expert marine training director Simon Jinks strips back the masses of information to the core essential points that are easy to absorb and quick to remember when it comes to the oral assessment. The MCA Deck Officer (Officer of the Watch, Chief Mate and Master) syllabi cover a vast amount of information that candidates are required to understand and use in their oral exam, which for many presents a major stumbling block to qualification. While it inevitably takes a long time for candidates to build up this wealth of knowledge, this study aid is the perfect refresher, listing the key points and including helpful sample questions and worked examples on tidal working, radar plotting and more. Written in simple terms, this trusted crammer covers all the principal areas of the MCA’s exam syllabus, including sections on business and law conventions, pollution prevention, responses to emergencies and distress signals. Clearly presented, it is packed with straightforward diagrams and flow charts, making it ideal for revising. This is an invaluable reference for all international STCW Deck Officer candidates, and covers both MCA and Flag State oral exams. It is also suitable for Near Coastal and Boatmaster apprentices, Workboat crew apprentices, Yachtmaster Offshores, Yachtmaster instructors, and fishermen going for their fishing licences on larger vessels, and for shore workers such as vessel superintendents, maritime managers and trainers. There is specific information for all vessels, with sections on smaller, code and domestic vessels.