منابع مشابه
Tactics Development for Radar Stations
Radar warning systems are found in all modern fighter aircraft and their main purpose is to warn pilots of enemy military units such as radar stations, aircraft and missiles. Testing these systems for fighters in real life is an expensive, complex and somewhat dangerous task. Hence engineers aim to test these systems in an artificial environment by the use of software in order to simulate hour-...
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Channelization is the task of channel selection in a communications receiver. Usually it comprises down-conversion of the signal to base-band and channel filtering. To be able to influence the characteristics of channelization by means of software it is advantageous to realize as much as possible of the channelization functionality with digital signal processing. In base-stations several channe...
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For event discrimination, operational implementation of a regional seismic station requires three sequential calibration analyses. 1) Magnitude, distance, and amplitude corrections (MDAC) made to observed regional amplitudes are necessary so that what remains in the corrected amplitude is mostly information about the seismic source-type. Corrected amplitudes can be used in ratios to discriminat...
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In this paper we review location models, specifically covering location models, which are applicable to modeling the location of base stations for cellular phone users. The definition of cover is revisited, suggesting three new definitions of cover: two gradual cover models, and one sum cover model. A new objective for covering models, the variable radius model, is proposed. The probability tha...
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For a wireless video sensor network (WiViSeN) where video nodes have been placed at some strategic locations to capture designated scenes, an immediate challenge is to locate the base-station optimally such that the network lifetime of batterypowered video nodes can be maximized. This paper presents two schemes, one centralized and the other distributed, to obtain the optimal base-station locat...
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ژورنال
عنوان ژورنال: Royal United Services Institution. Journal
سال: 1902
ISSN: 0035-9289
DOI: 10.1080/03071840209416109