Hydrographic & Side-Scan Systems Training

Hydrographic & Side-Scan Systems Training


Hydrographic & Side-Scan Systems Training Course Description

This three day-Hydrographic & Side-Scan Systems Training presents the key concepts needed to understand the state-of-the-art and practical use of bathymetric and side-scan sonars. It covers various classes of sonar systems, including multibeam, multitransducer, and interferometric. It provides the theory, system parameters, and design issues required to predict the system performance and accuracy of current and proposed equipment.

The course emphasizes realistic expectations based on field operations. Case studies will provide a solid understanding of the major issues and effects. Noise testing and performance limitations of noise is covered as are the relationships between position, attitude, and bathymetry.

The course presents some of the latest techniques used for topographic data review. The course is valuable for users of sonar records, for operators of equipment, and for scientists and engineers involved in the development and evaluation of sonar equipment. The course will discuss both commercial and military applications. All attendees will receive a complete set of notes and the text Side Scan Record Interpretation.

Hydrographic & Side-Scan Systems TrainingRelated Courses:

Duration:3 days

Customize It:

With onsite Training, courses can be scheduled on a date that is convenient for you, and because they can be scheduled at your location, you don’t incur travel costs and students won’t be away from home. Onsite classes can also be tailored to meet your needs. You might shorten a 5-day class into a 3-day class, or combine portions of several related courses into a single course, or have the instructor vary the emphasis of topics depending on your staff’s and site’s requirements.

Course Content:

Sonar and Mapping Technology. Single beam echo sounders, multibeam systems (including multitransducer systems), and stereoscopic depth sounding. Attitude and positioning systems, design characteristics of various sonar systems.

Signal Processing. Beam processing and interferometric processing. Signal processing for optimal estimation of arrival times and directions. Sonar equation analysis. Noise and its effects on accuracy. Multipath and data editing considerations. Beam bowing and ray bending. Data editing.

Survey System Performance and Accuracy. Requirements, standards, error budgets, and test techniques. Real-time survey monitoring systems. Determination and correction of system biases and offsets. Range, resolution, and coverage.

Charting and Display Technology. Post-processing systems and software. Post-processing operations. Data displays.

Mapping and Charting Technology. Single beam echo sounders, multitransducer systems, multibeam systems, and interferometric depth sounding. Design characteristics of various bathymetric sonar systems. Optimal estimation of arrival time/direction. Attitude measurements and propagation corrections.

Survey System Performance and Accuracy. Requirements, standards, error budgets, and test techniques. Sonar equation analysis. Range, resolution, and coverage. Data processing and display.

Side-Scan Sonar Technology. Principles of side-scan operations. Performance parameter selection and tradeoffs. Choice of frequency and range/resolution issues. Underwater acoustic relationships for echo and shadow modes.

Record Interpretation and Effects. Basics of record interpretation, surface effects, targets, and shadows; design-related effects; towing effects. Target detection parameters including reflectivity, aspect, acoustic shadows. Case studies and example records.

Field Operations/Search Tactics. Towing from surface, subsurface, and air platforms. Towing configuration and hardware. Search/survey patterns, navigation techniques.

Case Studies and Applications. Shipwrecks, aircraft, pipelines, cables, geology studies, sand deposit studies, engineering surveys, fisheries, harbor defense.

Technology and Tactics for Mine Hunting. Positioning, Q-routes, lane spacing. Search tactics. State-of-the-art today and directions for future trends.

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Time Frame: 0-3 Months4-12 Months

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