Titlebook: Localization and Orientation in Biology and Engineering; D. Varjú,H.-U. Schnitzler Conference proceedings 1984 Springer-Verlag Berlin Heid

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The Problem of Orientation in Photogrammetry from the Phototheodolite to Earth Resources Satellitess which characterize the discipline. Until recently these concepts were restricted to photographic images and to purely geometrical measurements. Photogrammetry is in principle an indirect measuring method as it refers to the image as a basic tool. The image is used in two ways: First, it is the sou

ENACT

Digital Array Signal Processing Methods Applied for Advanced Direction Finding Operations surface of the earth, for example, gives rise to significant multipath interferences. Waves reflected by the ground may be regarded as if they were emitted by an image of the signal source, located at a negative elevation. Ground interferences become most severe at low elevation angles as the magni

GEST

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Passive Bearing Estimation of a Moving Sound Source Using an Adaptive Filterd to control or identify it. By knowing the exact position over a given time, one can determine velocity and direction of movement. Applications range from simple detection to vehicle identification and traffic control.

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Determination of the Transfer Function of a Time-Varying Transfer Channel by a Correlation Method. Ir other long-term averaging methods applied to intensify the signal to noise ratio in determining the outdoor transfer characteristics are therefore difficult to apply. Under certain theoretical assumptions it is possible to account for the variations of the propagation channel, in such a way that t

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Redundance of Acoustic Localizationty, phases, and differences in tone allow the radial distance, angle in the horizontal plane, the radial velocity and the horizontal angular velocity to be determined. The vertical components likewise determined are based on less pronounced methods.