- To check if range ambiguity artifact is present they should change the scale: > If changing the scale increases/decreases the size in the spectral waveform, but the characteristics of the waveform doesn't change then no artifact is present. The following sections use the ambiguity function to explore the range-Doppler relationship for several popular waveforms. A vibration source in a mechanical medium will cause wave propagation. lexical ambiguity synonyms, lexical ambiguity pronunciation, lexical ambiguity translation, English dictionary definition of lexical ambiguity. The additional dwells or transmissions consume additional radar resources, resulting in a greater overall time required for completion of a surveillance scan. See complete definition Sarbanes-Oxley Act The Sarbanes-Oxley Act of 2002 is a federal law that established sweeping auditing and financial regulations for public companies. Brief Review * Autocorrelation of a signal: Brief Review * Definition: The ambiguity function is the time response of a filter matched to a given finite energy signal when the signal is received with a delay and a Doppler shift relative to the nominal values expected by the filter. DETAILED EXPLANATION: The Ambiguity diagram uses the waveform that is sent out by a RADAR as its reference waveform. Ultrasound is cyclic mechanical vibration with a frequency greater than the upper limit of human hearing, which is approximately 25 kilohertz (25,000 hertz) in healthy, young adults. T2 - Medicalization, intent, and ambiguity in the definition of infertility. This extends from ambiguous … Embracing ambiguity enables organisations to seize opportunities, take calculated risks to tackle previously unchartered territories, back themselves when they don't have all the answers, diversify products and services, all the while remaining profitable. Ambiguous definition, open to or having several possible meanings or interpretations; equivocal: an ambiguous answer. a field in a database when analyzed shows a unexplained delays of processing time.) Frequency ambiguity resolution is required to obtain the true radial velocity when the measurements is made using a system where the following inequality is true. Advantages and properties of complex signals; Processor design for range-Doppler imaging and equivalents; SAR design example and system implementation issues; X. Ambiguity function . Ambiguity is an idea or situation that can be understood in more than one way. US10571570B1 US16/456,622 US201916456622A US10571570B1 US 10571570 B1 US10571570 B1 US 10571570B1 US 201916456622 A US201916456622 A US 201916456622A US 10571570 B1 US10571570 B1 US 10571570B1 Authority US United States Prior art keywords pixel lidar pixels pri range Prior art date 2019-03-07 Legal status (The legal status is an assumption and is not a legal conclusion. In this paper, we consider the joint angle-range estimation in monostatic FDA-MIMO radar. Our proposed definition of ambiguity is Definition 1.The Kullback-directed divergence between two dimensional normal densities with zero mean and covariance matrices and is (see [7] (3), we get the following fact. Y1 - 2010/6/1. How to use unambiguous in a sentence. See more. range coefficients made in previous version 1/15 Oct. 26, 2016 First Issue, Fifteenth Revision ECN C28334 Section 5.4.2.1 Corrected range ambiguity length equation Section 7.2 Clarified descriptions of calibrated backscatter values Section 7.4 Added clarification notes, corrected radiometric scaling values for 8-bit geocoded products I made a model of that how ambiguity was resolved and how the resolution felt compared to reality when fixes were implemented via 3 different methods. It may also allow them to tolerate the range of options that should be considered. To establish a comparison baseline, assume that the design specification of the radar system requires a maximum unambiguous range of 15 km and a range resolution of 1.5 km. Applying an acceptance test to decide whether … A third uses a search through the range of possible integer ambiguity combinations from which it calculates the one with the lowest residuals. Range signal processing - pulse compression revisited; Azimuth signal processing - imaging; IX. Tolerance of ambiguity may allow the person to deal with the ill-defined nature of problems that have creative potential. The range ambiguity is a serious problem in monostatic FDA-MIMO radar, which can reduce the detection range of targets. Noun 1. lexical ambiguity - the ambiguity of an individual word or phrase that can be used to express two or … Ambiguity-Resolution Model. apparent from a perusal of the document) or latent (i.e. Ultrasound Definition. This word is used in the land laws of the United States to designate the order of the location of such lands, and in patents from the United States to individuals they are described as being within a certain range. (an example of) the fact of something having more than one possible meaning and therefore…. See more. N2 - Researchers studying infertility from the perspective of anthropology and other the social sciences seldom examine the assumptions embedded in the biomedical definition of infertility. Signal coding in imaging . Conventional range ambiguity resolution techniques require transmission of additional signals with additional dwells for resolving the range interval of the ambiguous target. Lexical ambiguity according to Hurford and Heasley (128) is any ambiguity resulting from the ambiguity of a word. PY - 2010/6/1. The definition of ambiguity tolerance has changed since its inception, and accompanying that change are changes in measurement and the research questions that interest researchers. Often it is not appreciated because precision is valued over ambiguity in terms of writing. Learn more. See complete definition statistical mean, median, mode and range The terms mean, median, mode, and range describe properties of statistical distributions. Radial velocity aliasing occurs when reflections arrive from reflectors moving fast enough for the Doppler frequency to exceed the pulse repetition frequency (PRF).. Ambiguity can be termed as an expression or state which can be recognized in several ways. Greil, Arthur L. au - Greil, Arthur L. au - McQuillan, Julia humor the. Of 2002 is a constant linear ( shortly, c-linear ) biseparable ordering if ) mechanical medium will wave! Complete definition Sarbanes-Oxley Act of 2002 is a constant linear ( shortly c-linear! 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