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Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...
Principles. In ray tracing, rays are often modeled as geometric ray with no thickness to perform efficient geometric queries such as a ray-triangle intersection.From a physics of light transport point of view, however, this is an inaccurate model provided the pixel on the sensor plane has non-zero area.
Ray tracing is being increasingly used in astronomy to simulate realistic images of the sky. Unlike conventional simulations, ray tracing does not use the expected or calculated PSF of a telescope and instead traces journey of each photon from entering the upper atmosphere to the detector.
Bobby (software) The original Bobby was a free online tool, written by Josh Krieger and provided by the Centre for Applied Special Technology (CAST), used to validate websites for WAI and Section 508 compliance. Launched in 1995, [1] it became well known for the usage of the Bobby Approved icon that website authors could use to indicate they ...
Sourcegraph Inc. was founded in by Stanford graduates Quinn Slack and Beyang Liu to drive the development of a code search and code intelligence tool, formerly called Sourcegraph. It was first released in 2013 [3] [4] but was rebranded to Code Search in 2023. It was partly inspired by Liu's experience using Google Code Search while he was a ...
Klocwork (company) Klocwork was an Ottawa, Canada -based software company that developed the Klocwork brand of programming tools for software developers. The company was acquired by Minneapolis-based application software developer Perforce in 2019, as part of their acquisition of Klocwork's parent software company Rogue Wave. [10]
Diagram showing circles of confusion for point source too close, in focus, and too far. In optics, a circle of confusion (CoC) is an optical spot caused by a cone of light rays from a lens not coming to a perfect focus when imaging a point source.
PMD (software) PMD is an open source static source code analyzer that reports on issues found within application code. PMD includes built-in rule sets and supports the ability to write custom rules. PMD does not report compilation errors, as it only can process well-formed source files. Rather, PMD is designed to detect inefficient code or bad ...
The Department of Defense Activity Address Code ( DoDAAC) is a six position code that uniquely identifies a Department of Defense unit, activity, or organization that has the authority to requisition, contract for, receive, have custody of, issue, or ship DoD assets, or fund/pay bills for materials and/or services.
The R-S-T system is used by amateur radio operators, shortwave listeners, and other radio hobbyists to exchange information about the quality of a radio signal being received. The code is a three digit number, with one digit each for conveying an assessment of the signal's readability, strength, and tone. [1] [2] The code was developed in 1934 ...