981 resultados para Frequency diverse array


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Se basa en estudio de casos de personas que relatan su historia para hacer frente a la diversidad en las escuelas hoy, para revelar los sentimientos y las actitudes que deben ser escuchados si se quiere desarrollar una sociedad inclusiva. Ofrece sugerencias prácticas para lograr la diversidad social y cultural en las escuelas. Ayudará a los profesores a asegurarse de que todos los estudiantes tengan éxito en su experiencia de aprendizaje, independientemente de sus necesidades particulares. Se centra en las situaciones reales que los profesionales se encuentran a diario, tales como la cultura y la religión y el inglés como segundo idioma.

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Resumen basado en el de la publicaci??n

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Electrical property derivative expressions are presented for the nuclear relaxation contribution to static and dynamic (infinite frequency approximation) nonlinear optical properties. For CF4 and SF6, as opposed to HF and CH4, a term that is quadratic in the vibrational anharmonicity (and not previously evaluated for any molecule) makes an important contribution to the static second vibrational hyperpolarizability of CF4 and SF6. A comparison between calculated and experimental values for the difference between the (anisotropic) Kerr effect and electric field induced second-harmonic generation shows that, at the Hartree-Fock level, the nuclear relaxation/infinite frequency approximation gives the correct trend (in the series CH4, CF4, SF6) but is of the order of 50% too small

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The purpose of this work is determine the extent of closure between measurements and models of UV irradiances at diverse sites using state of the art instruments, models, and the best available data as inputs to the models. These include information about aerosol optical depth (unfortunately not extending down as far into the UVB region as desirable because such information is not generally available), ozone column amounts, as well as vertical profiles of temperature. We concentrate on clear-sky irradiances, and report the results in terms of UV Index (UVI)

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The primary objective of this study is to determine whether nonlinear frequency compression and linear transposition algorithms provide speech perception benefit in school-aged children.

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This dissertation examines the frequency response that results in the maximum level of speech intelligibility for persons with noise-induced hearing loss.

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This paper presents a comparison of two tests designed to predict which hearing impaired patients may benefit from high frequency amplification.

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The purpose of this study was to assess the use of 1 kHz tympanometry in young infants. A larger sample will be needed to develop definitive norms and determine the sensitivity and specificity of 1 kHz tympanometry for middle ear pathology in young infants.

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The purpose of this study was to examine objective and subjective distortion present when frequency modulation (FM) systems were coupled with four digital signal processing (DSP) hearing aids. Electroacoustic analysis and subjective listening tests by experienced audiologists revealed that distortion levels varied across hearing aids and channels.

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The "Pediatric Assessment of Hearing" questionnaire was developed to evaluate how children with high-frequency hearing loss perform in various listening conditions.

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This paper discusses a study to assess and compare frequency audiometric thresholds obtained under two listening environments--a sound suite and a typical hospital room.

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Added stable gain (ASG) was measured to assess the differences in feedback reduction algorithms across six manufacturers, two earmold styles, ten audiograms, and three frequency bands.

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In order to evaluate high-frequency VOR function, the effects of different types of motion on visual acuity were evaluated in asymptomatic and symptomatic subjects. A new testing protocol of evaluating vestibular function was developed in an effort to enhance current treatment protocols.

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This paper is a review of a study to determine if a special hearing aid, the Transposer, can supply high frequency information to profoundly deaf children.