Spectral and Temporal Characterization of High-Temperature Events

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The Physical Object
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Open LibraryOL11847234M
ISBN 10142352814X
ISBN 139781423528142

Spectral and Temporal Characterization of High-Temperature Events Paperback – Novem by William F. Bagby (Author) See all formats and Cited by: 3. Download Citation | On Jan 1,William F.

Bagby published Spectral and Temporal Characterization of High-Temperature Events | Find, read and cite all. The spectral radiant characteristics of plume particles of a solid rocket engine are important in the design of the engine specific impulse, ablative material, and plume flame hiding.

These parameters are measured from tests of the engine. Some equipment has been established to realize particle heating, uniform particle distribution, and measurements based on an Spectral and Temporal Characterization of High-Temperature Events book spectral by: 4.

key element is the characterization of the non-Fermi liquid state as a critical state defined by a scale invariant spectral function [10]. This characterization is described by the term spectral anomaly, and, as in the theory of critical phenomena, the universality classes are distinguished by the critical exponents of the spectral function.

Temporal response of the three diamond detectors, Nos. 1, 2 and 3, under an illumination of nm radiation are shown in Fig. 1, Fig. 2, Fig. 3, can be seen in Fig.

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2, only detector No. 2 showed abrupt, unpredictable changes in current, which occurred even in the absence of y, the time constant of the measurement circuit did not distort the curves. We apply spectral trend analysis of Landsat data to detect changes in Canadian forest.

• Change events are characterized, and attributed changes to a disturbance agent. • Results confirm accurate detection and attribution of disturbances and changes. • Findings can be used to support mapping and reporting land cover dynamics. In most events, the temporal profile for certain bands indicate a rapid, intense signature, followed by a secondary maximum and a long-term decay of up to several seconds.

The potential of a new small Bi-spectral Infrared Detection (BIRD) satellite system for the detection and quantitative characterization of high-temperature events on the Earth surface is discussed. BIRD was successfully piggy-back launched by an Indian Polar Satellite Launch Vehicle (PSLV-C3) in a circular Sun-synchronous orbit on 22 October "The spectral composition of the emission of pulse tubular and coaxial lamps with a short-duration discharge," Zh.

Prikl. Spektrosk., 32, No. 3, – (). Surface roughness, oxidation and lichen coverage were documented at each measured site. Spectral properties vary with age and morphology of lava. Pre-historical lavas with no biological coverage show a prominent increase in spectral reflectance in the –.

SPECTRAL VS. SPECTRO-TEMPORAL FEATURES FOR ACOUSTIC EVENT DETECTION Courtenay V. Cotton and Daniel P.

Ellis LabROSA, Dept. of Electrical Engineering Columbia University S. Mudd, West th Street, New York, NYUSA fcvcotton,[email protected] ABSTRACT Automatic detection of different types of acoustic events is an inter. 3 Fundamentals of Temporal Processes Characterization of Temporal Processes, Introduction to Deterministic Dynamical Systems, Time Series Preliminaries, Basic Time Series Models, Spectral Representation of Temporal Processes, Hierarchical Modeling of Time Series, Bibliographic Notes, These temporal characteristics occur across different shapes of modulation waveform (Schreiner and Urbas, ), indicating some degree of independence between temporal and spectral coding.

Hierarchical auditory analysis provides a parsimonious explanation for these results (Rauschecker, a, b), in contrast to the alternative view that. Spatial, spectral and temporal patterns of tropical forest cover change as observed with multiple scales of optical satellite data Daniel J.

Hayes a,⁎, Warren B. Cohen b a Department of Forest Science, Richardson Hall, Oregon State University, Corvallis, ORUSA b Forestry Sciences Laboratory, Pacific Northwest Research Station, USDA Forest Service, SW Jefferson Way, Corvallis.

Complete pulse characterization includes measuring not only the optical spectrum, i.e. the squared modulus of E(ν), but also the spectral phase, which contains additional is possible e.g. with the methods of frequency-resolved optical gating (FROG) and spectral phase interferometry for direct electric-field reconstruction (SPIDER, → spectral phase interferometry).

Any kind of data (optical passive sensor images, active SAR images, low to VHR resolution images, multi- to hyper-spectral data, multi-to hyper temporal data) can be considered, as well as any kind of application (climate change; agriculture, cryosphere, biodiversity, land-cover and -use dynamics, forestry, disaster/damage assessment, etc.).

Description Spectral and Temporal Characterization of High-Temperature Events FB2

Temporal imaging of an ultrafast pulse train at a MHz repetition rate by our temporal imaging system. (a) Solid red curve—temporal image of the input pulses by the high filling factor time-lens scheme; dashed blue curve—spectrum measurement by the time-stretch scheme.

Spectral-temporal response surfaces (STRSs) provide continuous reflectance spectra at high temporal intervals. This is the first study to combine multispectral satellite imagery (from Formosat-2) with hyperspectral imagery acquired with an unmanned aerial vehicle (UAV) to construct STRS.

y(t)exp[ iWt]. That linear temporal phase results in a spec-tral shear is a direct consequence of the Fourier shift property and Fourier relation between the temporal y(t), and spectral y˜(w), amplitudes. Our approach to linear temporal phase modulation of op-tical pulses by electro-optic phase modulation is depicted in the inset of Fig.

Temporal imaging uses low noise, high speed video to extract structural information about an object. We apply our expertise in spectroscopy, imaging, and instrumentation design to the design, development, and operation of new, novel imaging systems to meet our customer’s requirements, whether for spectral or temporal information, or both.

spectral 의미, 정의, spectral의 정의: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a. 자세히 알아보기. Applying a taper to reduce bias discards data, increasing the variance of the estimate. Using a taper also unevenly samples the record.

Details Spectral and Temporal Characterization of High-Temperature Events FB2

Throwing out data from the ends of the record can result in a spectral estimate which does not adequately represent the character of the spectrum of nonstationary processes like seismic waveforms. Spectral Near Field Data of LED Systems for Optical Simulations, ISBNSpectral and Temporal Characterization of High-Temperature Events, Bagby, F., $ Free shipping unread, unused book in perfect condition with no missing or damaged pages.

See the seller’s listing for full details. See all condition definitions Seller Rating: % positive. For spectral analysis, however, its data are incorrect. In fact, this detector dumps all events into the first three PHA channels.

When extracting light curves, you should in any case exclude those channels below the LLD (i.e. channels 15) which will also exclude all the detector 2 events. Likewise, when you look at the full spectrum, your. An automated two-phase small scale platform based on controlled oscillatory motion of a droplet within a 12 cm long tubular Teflon reactor is designed and developed for high-throughput in situ studies of a solution-phase preparation of semiconductor nanocrystals.

The unique oscillatory motion of the droplet within the heated region of the reactor enables temporal single-point spectral. A high spectral resolution of spectral range of the comb lines. High spectral (and temporal. It takes a high temperature to ionize helium, so helium lines are only seen in O and B stars.

Keep in mind that the absence of spectral lines of a given element in a stellar spectrum can mean different things – that the element is not present or that the physical conditions in the photosphere are not right to produce an electron transition.

Previous work has shown that ultrasonic backscatter is sensitive to the presence of porosity in fiber-reinforced laminates. In the case of oblique incidence, the dependence of backscatter on azimuthal angle will change with the introduction of randomly distributed porosity [1–6], and the observed change in azimuthal dependence appears to depend on the morphology of the introduced porosity [4].

Third, a statistical analysis of human and animal vocalizations shows that spectral and temporal acoustical features are distinctly separate: animal vocalizations are primarily composed of short sounds with little spectral structure (e.g.

consonants), and longer sounds with a rich spectral content (e.g. voiced vowels; Lewicki, ; Singh. SinceElectro Optical Industries has provided leading-edge IR test equipment to manufacturers, test centers, universities and research labs all around the ’s Test and Metrology offerings encompass blackbodies and integrating sphere based visible sources, multispectral collimators and software for Electro Optical systems testing, Focal Plane Arrays test benches and testing.

It has been shown that thin films of the high temperature superconductors (HTS) exhibit a change in their electrical properties when exposed to optical radiation.

The motivation for this research is the promise of a fast detector operating at elevated temperatures that is sensitive to low-level optical signals and that operates out to the far IR.spectral (eight spectral channels) and temporal resolutions (channels low-pass filtered at Hz for extracting ampli-tude envelopes) of speech.

Separate and joint effects of spectral and temporal resolutions on intelligibility of vocoded speech are well known (Xu et al.,; Xu and Zheng, ), and these results have been very useful.The ability to perform real-time spectral and temporal characterization has opened up new possibilities to directly study the fundamental origins of ultrafast laser buildup and instability.

My work in this area initially focussed on studies of supercontinuum noise and spectral correlations, but has recently expanded to explore open questions in.