Miracle-dz/UniFAR-FTUs huggingface dataset:
Dynamic validation of the Planck-LFI thermal model

The Low Frequency Instrument (LFI) is an array of cryogenically cooled radiometers on board the Planck satellite, designed to measure the temperature and polarization anisotropies of the cosmic microwave backgrond (CMB) at 30, 44 and 70 GHz. The thermal requirements of the LFI, and in particular the stringent limits to acceptable thermal fluctuations in the 20 K focal plane, are a critical element to achieve the instrument scientific performance. Thermal tests were carried out as part of the on-ground calibration campaign at various stages of instrument integration. In this paper we describe the results and analysis of the tests on the LFI flight model (FM) performed at Thales Laboratories in Milan (Italy) during 2006, with the purpose of experimentally sampling the thermal transfer functions and consequently validating the numerical thermal model describing the dynamic response of the LFI focal plane. This model has been used extensively to assess the ability of LFI to achieve its scientific goals: its validation is therefore extremely important in the context of the Planck mission. Our analysis shows that the measured thermal properties of the instrument show a thermal damping level better than predicted, therefore further reducing the expected systematic effect induced in the LFI maps. We then propose an explanation of the increased damping in terms of non-ideal thermal contacts.
Connecting active and passive microrheology in living cells

We use a model based on the fractional Langevin equation with external noise to describe the anomalous dynamics observed in microrheology experiments in living cells. This model reproduces both the subdiffusive short-time and the superdiffusive long-time behavior. We show that the former reflects the equilibrium properties of the cell, while the latter is due to the nonequilibrium external noise. This allows to infer the transport properties of the system under active measurements from the transient behavior obtained from passive measurements, extending the connection between active and passive microrheology to the nonequilibrium regime. The active and passive results can be linked via a generalized Stokes-Einstein relation based on an effective time-dependent temperature, which can be determined from the transient passive behavior. In order to reproduce experimental data, we further find that the external noise describing the active components of the cell has to be nonstationary. We establish that the latter leads to a time-dependent noise spectral density.
A scalable decentralized MAC scheduling for cognitive wireless mesh network

— Cognitive Wireless Mesh Networks (CWMN) is a promising technology that combines the advantages of Wireless Mesh Networks (WMN) with the capacity enhancement feature due to the use of available channels discovered with cognitive radio technology. In CWMN, Medium Access Control (MAC) layer has to schedule data communications in a dynamic environment in which available channels change in space and time. Therefore, scheduling in a CWMN is more difficult than scheduling in multi-channel IEEE 802.11 since each node in a CWMN can support different set of channels for data transmission where as in IEEE 802.11 all nodes share same set of channels. In this paper, we propose an efficient link scheduling algorithm in a distributed architecture in CWMN. The solution utilizes 2-distance vertex coloring scheme at the node level which increases the processing speed of the scheduling algorithm and lessens the overhead control data. Simulation results show that the proposed algorithm improves the scalability, the speed, and the amount of control data exchange when compared with existing algorithms.
Wireless Communication over Fading Channels with Imperfect Channel Estimates

In wireless communication systems, transmitted signals are corrupted by fading as well as noise. The receiver can benefit from the estimates of fading channels to detect the transmitted symbols. However, in practical wireless systems channel information cannot be estimated perfectly at the receiver. Therefore, it is crucial to examine the effect of channel estimation error on the structure and performance of the receivers. In the first part of the thesis, we study single-user systems with single-antenna reception over fading channels in the presence of Gaussian-distributed channel estimation error. By using the statistical information of the channel estimation error, we will derive the structure of maximum-likelihood receivers for a number of different modulation formats and then analyze their performance over fading channels. In the second part of the thesis, we consider the uplink of multi-user wireless systems with multi-antenna reception. For conventional diversity combining techniques such as maximal ratio combining and optimum combining we analyze the performance degradation due to imperfect channel estimates in the presence of multiple interfering users for several fading channels. By investigating the probability density function of the output signal-to-interference ratio, we will derive analytical expressions for several performance measures such as the average signal-to-interference ratio, outage probability and average bit-error probability. These expressions quantify performance degradation due to channel estimation error. ii
SIMULATIONS OF THE SUNYAEV–ZEL'DOVICH POWER SPECTRUM WITH ACTIVE GALACTIC NUCLEUS FEEDBACK

We explore how radiative cooling, supernova feedback, cosmic rays, and a new model of the energetic feedback from active galactic nuclei (AGNs) affect the thermal and kinetic Sunyaev–Zel'dovich (SZ) power spectra. To do this, we use a suite of hydrodynamical TreePM-SPH simulations of the cosmic web in large periodic boxes and tailored higher resolution simulations of individual galaxy clusters. Our AGN feedback simulations match the recent universal pressure profile and cluster mass scaling relations of the REXCESS X-ray cluster sample better than previous analytical or numerical approaches. For multipoles ℓ ≲ 2000, our power spectra with and without enhanced feedback are similar, suggesting that theoretical uncertainties over that range are relatively small, although current analytic and semi-analytic approaches overestimate this SZ power. We find the power at high 2000–10, 000 multipoles in which the Atacama Cosmology Telescope (ACT) and South Pole Telescope (SPT) probe is sensitive to the feedback prescription, and hence can constrain the theory of intracluster gas, in particular for the highly uncertain redshifts >0.8. The apparent tension between σ8 from primary cosmic microwave background power and from analytic SZ spectra inferred using ACT and SPT data is lessened with our AGN feedback spectra.
Researches on Scale Adaptation Strategy in Mean Shift Tracking Algorithm

The standard Mean Shift tracking algorithm is lack of scale adaptation mechanism.A familiar scale adaptation strategy is to determine the scale in current frame by running the standard Mean Shift tracking algorithm three times respectively based on the previous scale,its 10% up and 10% off scales.In this paper,the algorithm was tested on numerous typical scenes and its two drawbacks are found:(1) sometimes it may be stuck in the scale smaller than the real scale;(2) it often responds poorly to rapid scale changes.Such drawbacks can introduce additional scale error and thus increase the risk of missin tracking.Through analyzing above drawbacks in detail,we propose the revised scale adaptation algorithm,in which the criterion of optimal bandwidth selection is modified and adaptive filtering parameter is introduced.Experiment results in numerous scenes show the effectiveness and efficiency of the improved algorithm.
The MAVERIC Survey: A Transitional Millisecond Pulsar Candidate in Terzan 5

Transitional millisecond pulsars are accreting millisecond pulsars that switch between accreting X-ray binary and millisecond radio pulsar states. Only a handful of these objects have been identified so far. Terzan 5 CX1 is a variable hard-X-ray source in the globular cluster Terzan 5. In this paper, we identify a radio counterpart to CX1 in deep Very Large Array radio continuum data. Chandra observations over the last 14 years indicate that CX1 shows two brightness states: in 2003 and 2016 the source was the brightest X-ray source in the cluster (at LX ∼ 1033 erg s−1), while in many intermediate observations, its luminosity was almost an order of magnitude lower. We analyze all available X-ray data of CX1, showing that the two states are consistent with the spectral and variability properties observed for the X-ray active and radio pulsar states of known transitional millisecond pulsars. Finally, we discuss the prospects for the detection of CX1 as a radio pulsar in existing timing data.
RHOMOLO Model Manual: A Dynamic Spatial General Equilibrium Model for EU Regions and Sectors

This manual explains how to practically use the RHOMOLO model for policy impact assessment. We explain here how to read its modular structure, to retrieve its database and provide a step-by step guide to perform simulations using either its GAMS-IDE interface (for expert users) or a user-friendly graphical web-interface.
Investigation of Essential Oil Chemical Polymorphism of Salvia fruticosa naturally Growing in Lebanon

Abstract Salvia fruticosaa perennial aromatic plant, endemic to the Mediterranean region, is the most used medicinal plant in Lebanon. S. fruticosa essential oils (EOs) are widely acknowledged in the Lebanese traditional medicine to treat several ailments. Plant samples were harvested at various months of the year 2013, from 4 different Lebanese areas: Baabda, Ansariyeh, Harissa and Nahr Ibrahim. Fresh herb was either air dried or lyophilized. EOs were obtained using 2 extraction techniques: Solvent-Free Microwave Extraction (SFME) and conventional hydro distillation. The chemical variability of Lebanese S. fruticosa EO quantity and quality was assessed according to harvesting time and region, drying methods and EO extraction techniques. GC/MS showed that the major compounds in the oils were: eucalyptol (18.3-83.7 %), trans-anethole (0.00-61.7 %), β-caryophyllene (0.00-38 %), and camphor (0.00-16.7 %). EO yields were affected by plant’s growth stages, drying methods and EO extraction techniques. EO extraction methods and harvesting time and region had an impact on EO chemical composition whereas tested drying methods had no significant influence. Our study highlighted 4 different chemotypes for S. fruticosa EO: eucalyptol, camphor, α-thujoneand trans-anethole. For the first time in our study, trans-anethole was found as distinguishable chemotype.
User-driven Language Technology Infrastructure - the Case of CLARIN-PL

The paper discusses a user-driven development of CLARIN-PL, the Polish branch of the European language technology infrastructure for Humanities and Social Sciences. CLARIN-PL can be used as an exemplar of a bi-directional (i.e. top-down and bottom-up) approach to developing language resources and tools. The paper presents an overview of the state of the basic processing chain for Polish, the set of basic Polish language resources and tools and typical processing schemes emerging from the development of key applications. We also discuss the problem of the quality of services offered by language tools that goes much beyond the typical measures used during testing. In conclusion, we try to envisage further user needs and further language technology infrastructure development for which the 3-4 year construction phase is a good starting point for a fully-fledged infrastructure. Uporabnioko usmerjena jezikovnotehnolooka infrastruktura ‐ primer CLARIN-PL Prispevek predstavi uporabnioko usmerjen razvoj CLARIN-PL, poljske veje Evropske jezikovnotehnolooke infrastrukture za humanistiko in druuboslovje. CLARIN-PL lahko uporabimo kot primer za dvosmeren (tj. od zgoraj navzdol in od spodaj navzgor) pristop k razvoju jezikovnih virov in orodij. Prispevek poda pregled stanja osnovnega zaporedja obdelav jezikovnih podatkov, mnouico osnovnih
PROBING PLANET FORMING ZONES WITH RARE CO ISOTOPOLOGUES

The gas near the midplanes of planet-forming protostellar disks remains largely unprobed by observations due to the high optical depth of commonly observed molecules such as CO and H2O. However, rotational emission lines from rare molecules may have optical depths near unity in the vertical direction, so that the lines are strong enough to be detected, yet remain transparent enough to trace the disk midplane. Here we present a chemical model of an evolving T Tauri disk and predict the optical depths of rotational transitions of 12C16O, 13C16O, 12C17O, and 12C18O. The MRI-active disk is primarily heated by the central star due to the formation of the dead zone. CO does not freeze out in our modeled region within around a sunlike star. However, the abundance of CO decreases because of the formation of complex organic molecules, producing an effect that can be misinterpreted as the “snow line. ” These results are robust to variations in our assumptions about the evolution of the gas-to-dust ratio. The optical depths of low-order rotational lines of C17O are around unity, making it possible to see into the disk midplane using C17O. Combining observations with modeled C17O/H2 ratios, like those we provide, can yield estimates of protoplanetary disks’ gas masses.
Recent Experimental Progress of Fractional Quantum Hall Effect: 5/2 Filling State and Graphene

The phenomenon of fractional quantum Hall effect (FQHE) was first experimentally observed 33 years ago. FQHE involves strong Coulomb interactions and correlations among the electrons, which leads to quasiparticles with fractional elementary charge. Three decades later, the field of FQHE is still active with new discoveries and new technical developments. A significant portion of attention in FQHE has been dedicated to filling factor 5/2 state, for its unusual even denominator and possible application in topological quantum computation. Traditionally, FQHE has been observed in high-mobility GaAs heterostructure, but new materials such as graphene also open up a new area for FQHE. This review focuses on recent progress of FQHE at 5/2 state and FQHE in graphene.
Novel Sensor Selection Technique for Moving Object Tracking Based on Pre-Defined Division Structure in Wireless Sensor Network

In the Internet of Things, smart things communicate with each other, and sensed data are aggregated and queried for satisfying certain requests of end-users. Target tracking is a typical and important application of wireless sensor networks (WSNs). Considering the energy efficiency and the tracking accuracy, we propose a novel object tracking method based on predefined itinerary. Energy can be reduced due to effectively selecting collaborative nodes to activate. The tracking accuracy can be improved because the prediction movement range can be confined into adjacent itineraries according to the current position and direction of the tracking object. The number of activated sensors involved in tracking the target will be decreased to save energy and prolong the network's operational lifetime. Theoretical analysis and experimental results show that our technique is energy-efficient and accurate compared with traditional techniques.
A Dictionary Of Musical Themes

Thank you very much for downloading a dictionary of musical themes. As you may know, people have search hundreds times for their chosen readings like this a dictionary of musical themes, but end up in malicious downloads. Rather than enjoying a good book with a cup of coffee in the afternoon, instead they are facing with some harmful virus inside their desktop computer. a dictionary of musical themes is available in our digital library an online access to it is set as public so you can download it instantly. Our digital library saves in multiple locations, allowing you to get the most less latency time to download any of our books like this one. Merely said, the a dictionary of musical themes is universally compatible with any devices to read.
Environment Matting into Photographs using Coloured RTcams

There has been continuing interest in using environment matting to capture the real-world's reflection and refraction from a foreground object. Environment matting require a calibrated warp, which is often defined non-parametrically. Although this is a powerful approach it suffers from two basic limitations: (i) there is a "blind spot" that cannot be a calibrated; (ii) a slight change in the object requires a full recalibration.This paper introduces a parametric approach that can overcome both of these limitations. We build upon a generalised model of a non-linear camera called an RTcam (Rational Tensor Camera, introduced in Section 3), for the first time showing its value to environment matting. In addition, we show how a restriction on RTcams can simulate the change in colour of an object as it appears in a coloured reflector (refractor). Hence we account for both geometric and colour changes with a single mathematical model. Finally, we show how, using the same camera model, the reflector properties can mapped from one to another. (8 pages)
SOLAR WAVE-FIELD SIMULATION FOR TESTING PROSPECTS OF HELIOSEISMIC MEASUREMENTS OF DEEP MERIDIONAL FLOWS

The meridional flow in the Sun is an axisymmetric flow that is generally directed poleward at the surface, and is presumed to be of fundamental importance in the generation and transport of magnetic fields. Its true shape and strength, however, are debated. We present a numerical simulation of helioseismic wave propagation in the whole solar interior in the presence of a prescribed, stationary, single-cell, deep meridional circulation serving as synthetic data for helioseismic measurement techniques. A deep-focusing time–distance helioseismology technique is applied to the synthetic data, showing that it can in fact be used to measure the effects of the meridional flow very deep in the solar convection zone. It is shown that the ray approximation that is commonly used for interpretation of helioseismology measurements remains a reasonable approximation even for very long distances between 12° and 42° corresponding to depths between 52 and 195 Mm. From the measurement noise, we extrapolate that time-resolved observations on the order of a full solar cycle may be needed to probe the flow all the way to the base of the convection zone.
USING LEAKED POWER TO MEASURE INTRINSIC AGN POWER SPECTRA OF RED-NOISE TIME SERIES

Fluxes emitted at different wavebands from active galactic nuclei (AGNs) fluctuate at both long and short timescales. The variation can typically be characterized by a broadband power spectrum, which exhibits a red-noise process at high frequencies. The standard method of estimating the power spectral density (PSD) of AGN variability is easily affected by systematic biases such as red-noise leakage and aliasing, in particular when the observation spans a relatively short period and is gapped. Focusing on the high-frequency PSD that is strongly distorted due to red-noise leakage and usually not significantly affected by aliasing, we develop a novel and observable normalized leakage spectrum (NLS), which sensitively describes the effects of leaked red-noise power on the PSD at different temporal frequencies. Using Monte Carlo simulations, we demonstrate how an AGN underlying PSD sensitively determines the NLS when there is severe red-noise leakage, and thereby how the NLS can be used to effectively constrain the underlying PSD.
Concise Synthesis of Cyclothialidine Analogues with Ring Sizes from 12 to 15: Novel Macrocyclization Protocol Involving Reductive Thiolation

The DNA gyrase inhibitor cyclothialidine was shown to be an interesting lead structure for the search of new antibacterials. During extensive work elucidating the structure-activity relations, it was demonstrated that variation of the lactone ring size of its bicyclic core was tolerated. Indeed, even 'seco' analogues exhibited DNA gyrase inhibitory activity. These derivatives were subsequently found to be conveniently accessible by a reductive thiolation approach. Application of this methodology to cyclic systems established an alternative, concise, and flexible synthetic access to congeners of cyclothialidine of varying ring size which so far had been prepared by Mitsunobu lactonization of the corresponding seco acids.
The optical/UV excess of isolated neutron stars in the RCS model

The X-ray dim isolated neutron stars (XDINSs) are peculiar p ulsar-like objects, characterized by their very well Planck-like spectrum. In s tudying their spectral energy distributions, the optical/UV excess is a long standing pro blem. Recently, Kaplan et al. (2011) have measured the optical/UV excess for all seven sou rces, which is understandable in the resonant cyclotron scattering (RCS) model previ ously addressed. The RCS model calculations show that the RCS process can account for the observed optical/UV excess for most sources . The flat spectrum of RX J2143.0+0654 may due to contribution from bremsstrahlung emission of the electron system in addi tion to the RCS process.
XMM–Newton  andINTEGRALanalysis of the Supergiant Fast X-ray Transient IGR J17354−3255

We present the results of combined INTEGRALand XMM–Newton observations of the supergiant fast X-ray transient (SFXT) IGR J17354−3255. Three XMM–Newton observations of lengths 33.4, 32.5, and 21.9 ks were undertaken, the first an initial pointing to identify the correct source in the field of view and the latter two performed around periastron. Simultaneous INTEGRALobservations across ∼66percent of the orbital cycle were analysed but the source was neither detected by IBIS/ISGRI nor by JEM-X. The XMM–Newton light curves display a range of moderately bright X-ray activity but there are no particularly strong flares or outbursts in any of the three observations. We show that the spectral shape measured by XMM–Newton can be fitted by a consistent model throughout the observation, suggesting that the observed flux variations are driven by obscuration from a wind of varying density rather than changes in accretion mode. The simultaneous INTEGRALdata rule out simple extrapolation of the simple power-law model beyond the XMM–Newton energy range.
Generating Multimode Entangled Microwaves with a Superconducting Parametric Cavity

In this Letter, we demonstrate the generation of multimode entangled states of propagating microwaves. The entangled states are generated by parametrically pumping a multimode superconducting cavity. By combining different pump frequencies, applied simultaneously to the device, we can produce different entanglement structures in a programable fashion. The Gaussian output states are fully characterized by measuring the full covariance matrices of the modes. The covariance matrices are absolutely calibrated using an in situ microwave calibration source, a shot noise tunnel junction. Applying a variety of entanglement measures, we demonstrate both full inseparability and genuine tripartite entanglement of the states. Our method is easily extensible to more modes.