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Image registration involves spatially transforming the source/moving image (s) to align with the target image. The reference frame in the target image is stationary, while the other datasets are transformed to match to the target. [ 3] Intensity-based methods compare intensity patterns in images via correlation metrics, while feature-based ...
Various conspiracy theories allege that certain institutions or individuals had foreknowledge of the September 11 attacks in the United States in 2001. Some of the primary debates include whether the Bush administration or the United States Armed Forces had awareness of the planned attack methods, the precise volume of intelligence that American agencies had regarding al-Qaeda activities ...
Zine. A zine ( / ziːn / ZEEN; short for magazine or fanzine) is a small-circulation self-published work of original or appropriated texts and images, usually reproduced via a copy machine. Zines are the product of either a single person or of a very small group, and are popularly photocopied into physical prints for circulation. A fanzine ...
Moving target indication ( MTI) is a mode of operation of a radar to discriminate a target against the clutter. [ 1] It describes a variety of techniques used for finding moving objects, like an aircraft, and filter out unmoving ones, like hills or trees. It contrasts with the modern stationary target indication (STI) technique, which uses ...
Online magazine. An online magazine is a magazine published on the Internet, through bulletin board systems and other forms of public computer networks. One of the first magazines to convert from a print magazine format to an online only magazine was the computer magazine Datamation. [ 1] Some online magazines distributed through the World Wide ...
The pulse width ( ) (or pulse duration) of the transmitted signal is the time, typically in microseconds, each pulse lasts. If the pulse is not a perfect square wave, the time is typically measured between the 50% power levels of the rising and falling edges of the pulse. The pulse width must be long enough to ensure that the radar emits ...
A disk magazine, colloquially known as a diskmag or diskzine, is a magazine that is distributed in electronic form to be read using computers. These had some popularity in the 1980s and 1990s as periodicals distributed on floppy disk, hence their name. The rise of the Internet in the late 1990s caused them to be superseded almost entirely by ...
Advanced Placement. In American Advanced Placement exams, a document-based question ( DBQ ), also known as data-based question, is an essay or series of short-answer questions that is constructed by students using one's own knowledge combined with support from several provided sources. Usually, it is employed on timed history tests.