jitter and phase noise
Báo cáo hóa học: "Research Article Comparison of Channel Estimation Protocols for Coherent AF Relaying Networks in the Presence of Additive Noise and LO Phase Noise Stefan Berger and Armin Wittneben" pptx
... baseband to passband and with negative sign when mixing from passband to baseband (e.g., [23]) Consequently, the equivalent complex baseband-to-baseband channels from A to B and from B to A are ... relay phase noise on the quality of the channel estimates, the notion of “block phase noise is introduced: the LO phases of the relays stay constant for a single channel use and change randomly ... the impact of estimation noise on all protocols of Section is the same, the impact of phase noise is not In this section, the impact of relay phase noise and estimation noise on the quality of...
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Báo cáo hóa học: " Research Article Non-Pilot-Aided Sequential Monte Carlo Method to Joint Signal, Phase Noise, and Frequency " ppt
... (1) where the phase distortion φ(t) represents both the phase noise (PHN) and the carrier frequency offset (CFO) and can be written as follows: φ(t) = θ(t) + 2πΔ f t, (2) where θ(t) and Δ f correspond, ... the real and imaginary part of the OFDM signal and the CDF of a Gaussian random variable with zero mean and variance 1/2 The summand in (B.3) is the product of the likelihood p.d.f and the posterior ... Speech, and Signal Processing (ICASSP ’05), vol 3, pp 777–780, Philadelphia, Pa, USA, March 2005 [12] D Petrovic, W Rave, and G Fettweis, “Common phase error due to phase noise in OFDM-estimation and...
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Báo cáo hóa học: " Design and Characterization of a 5.2 GHz/2.4 GHz ΣΔ Fractional-N Frequency Synthesizer for Low-Phase Noise Performance" potx
... reported as phase noise However, alternatively double-sideband phase noise can be expressed by = 10 log (8) From either the single-sideband or double-sideband phase noise, the rms phase noise can ... VCO noise, that is, the contributor of the synthesizer out-of-band noise, one for the ΣΔ modulator noise that could contribute to both in-band and out-of-band noise, and one for all other noise ... Choose the intercept between the out-of-band noise (VCO noise) and the in-band noise (CP noise, reference noise, divider noise, etc.) as the loop optimal bandwidth As an example, consider the plot...
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Coherent phase modulated optical fiber communications with linear and nonlinear phase noise
... over additive noise and phase noises [36] It is suggested that the optimal memory length of DA ML can be calculated provided that the statistics of the additive noise and phase noise are available ... require either nonlinear computations (Mth-power operation and phase unwrapping) or the statistics of the system noises (phase noise and additive noise) Nonlinear operations are likely to increase the ... following areas: phase estimation (PE) algorithms for laser phase noise and fiber nonlinear phase noise; frequency offset estimator (FOE) to tackle the frequency offset between transmitter and local...
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AGU ref shelf 3 rock physics and phase relations t ahrens
... XsyntheticSi02; Ottawa bandingsand,Ottawa IL, at -10°C; oven furnacesand(silica sand); not given YOttawabandingsand,Ottawa IL at -10°C ZOvenfurnacesand(silica sand),locality not given aaCoconino sandstone, ... for sandstones [4], most geologists have adopted that of Gilbert [19] shown in Figure Arenites ate sandstones that contain little or no matrix of particles
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OPTICAL COATINGS AND THERMAL NOISE IN PRECISION MEASUREMENT pot
... thermal noise 73 s ballmer and k somiya Substrate thermal noise 93 s rowan and i martin Cryogenics 108 k numata and k yamamoto 10 11 Thermo-optic noise m evans and g ogin 129 Absorption and thermal ... of thermal noise in mirrors and substrates, through the technology of depositing coatings and the techniques for measuring mechanical loss and thermal noise to the importance of this noise source ... K, αa , and αs for TiO2 versus annealing temperature Annealing time was 24 h (Wang and Chao, 1998) be found in Anderson et al (1997) for TiO2 , Anderson and Ottermann (1997) for SiO2 and Bange...
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pvt and phase behaviour of petroleum reservoir fluids - ali danesh
... stabilised phases of gas and liquid The two phases are individually analysed and then 2.2 PVT Tests 39 numerically recombined, using the ratio of the separated phases The gas and liquid phases are ... gas and oil These pseudo components, are identified by flashing the reservoir fluid at the standard conditions, and characterising the separated gas and oil phases by their specific gravity and ... critical temperature and pressure of a mixture composed of 55 mole% ethane and 45 mole% normal heptane 33 PVT TESTS AND CORRELATIONS Accurate and reliable phase behaviour and volumetric data...
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phase equilibria, phase diagrams and phase transformations - their thermodynamic basis
... 7.10 7.11 Phase equilibria and potential phase diagrams 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 Gibbs’ phase rule Fundamental property diagram Topology of potential phase diagrams Potential phase diagrams ... binary and multinary systems Sections of potential phase diagrams Binary systems Ternary systems Direction of phase fields in potential phase diagrams Extremum in temperature and pressure Molar phase ... Projected and mixed phase diagrams 205 10.1 Schreinemakers’ projection of potential phase diagrams 10.2 The phase field rule and projected diagrams 10.3 Relation between molar diagrams and Schreinemakers’...
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molecular dynamics simulation of heat transfer and phase change during
... starts, and the lattice structure is destroyed in the melted region and is replaced by a random atomic distribution After 20 ps, the solid liquid interface stops moving into the target, and vaporized ... with a velocity of about a thousand meters per second -100 10 15 20 Tim e (ps) 25 30 Figure 10 (a) Depths of the solid melted and vaporized, and (b) rate of melting and evaporation in argon illuminated ... S., and Kuroki, M., 1993, "Molecular Dynamics Study of Solid Melting and Vaporization by Laser Irradiation," International Journal of Heat and Mass Transfer, 36, pp 20612067 Herrmann, R F W., and...
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molecular dynamics simulation of heat transfer and phase change during
... starts, and the lattice structure is destroyed in the melted region and is replaced by a random atomic distribution After 20 ps, the solid liquid interface stops moving into the target, and vaporized ... with a velocity of about a thousand meters per second -100 10 15 20 Tim e (ps) 25 30 Figure 10 (a) Depths of the solid melted and vaporized, and (b) rate of melting and evaporation in argon illuminated ... S., and Kuroki, M., 1993, "Molecular Dynamics Study of Solid Melting and Vaporization by Laser Irradiation," International Journal of Heat and Mass Transfer, 36, pp 20612067 Herrmann, R F W., and...
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molecular dynamics simulation of heat transfer and phase change during
... starts, and the lattice structure is destroyed in the melted region and is replaced by a random atomic distribution After 20 ps, the solid liquid interface stops moving into the target, and vaporized ... with a velocity of about a thousand meters per second -100 10 15 20 Tim e (ps) 25 30 Figure 10 (a) Depths of the solid melted and vaporized, and (b) rate of melting and evaporation in argon illuminated ... S., and Kuroki, M., 1993, "Molecular Dynamics Study of Solid Melting and Vaporization by Laser Irradiation," International Journal of Heat and Mass Transfer, 36, pp 20612067 Herrmann, R F W., and...
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xây dựng tiêu chuẩn về rung phavà trôi pha (jitter and wander) cho giao diện số theo phân cấp đồng bộ pdh và sdh
... for jitter and wander at synchronization interfaces Jitter and wander tolerance of equipment interfaces 7.1 Jitter and wander tolerance of traffic interfaces 7.1.1 64 kbit/s input jitter and wander ... kbit/s input jitter and wander tolerance 7.1.2 2048 kbit/s input jitter and wander tolerance 6.2 048 kbit/s input jitter and wander tolerance 7.1.3 8448 kbit/s input jitter and wander tolerance ... kbit/s input jitter and wander tolerance 6.5 139 264 kbit/s input jitter and wander tolerance 7.2 Jitter and wander tolerance of synchronization interfaces 6.1 Jitter and wander tolerance for...
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Báo cáo toán học: " Integrated acoustic echo and background noise suppression technique based on soft decision" docx
... acoustic echo and noise suppression algorithm using the combined power of acoustic echo and background noise within a soft decision framework The combined power of the acoustic echo and noise is adopted ... suppress the acoustic echo and the noise signal with a single gain based on soft decision For this, the noise and echo spectral are separately and efficiently estimated and combined by a single power ... conditions, white, babble, and vehicular noises from the NOISEX-92 database were added to clean near-end speech signals at signal-tonoise ratios (SNRs) of 5, 10, 15, and 20 dB For the purpose...
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Báo cáo hóa học: " Nanoscale potassium niobate crystal structure and phase transition" ppt
... http://www.nanoscalereslett.com/content/6/1/530 phase and the phase transition temperatures of nanoscale KNbO3 powders Results and discussion Typical field emission scanning electron microscopy (FESEM) and transmission electron ... FESEM and TEM images, and TEM images showed that nanoscale KNbO3 particles had a brick-like morphology Synchrotron XRD and Rietveld refinement showed that the ferroelectric orthorhombic phase ... transition temperature was nearly unchanged, and that the Curie temperature (TC) and phase transition were independent of particle size To further investigate the phase transition of nanoscale KNbO3,...
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Báo cáo hóa học: " Two-way relaying using constant envelope modulation and phase-superposition-phase-forward" ppt
... N0 B12 and σnA,3 = σnB,3 = N0 B3 , where N0 is the noise power spectral density (PSD), B12 the bandwidth of the receive LPFs in Phases I and II, and B3 the bandwidth of the receive LPF in Phase ... and n(t) are, respectively, CN 0, σg2 and , θ (t) is the signal phase, and a(t) and ψ(t) CN are respectively the amplitude and phase of y(t) Without loss of generality, we assume dB, k = +1 and ... passing yR,1 (t) ˜ and yR,2 (t) , the bandpass versions of yR,1(t) and yR,2(t), through a bandpass filter, followed by bandpass limiting [19], then bandpass sampling [20] and quantization As...
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Báo cáo sinh học: " Research Article A New Switching-Based Median Filtering Scheme and Algorithm for Removal of High-Density Salt and Pepper Noise in Images" pptx
... the input image and identifies pixels corrupted by salt and pepper noise Salt and pepper noise produces two-level pixels, namely, and 255 and, therefore, identification is straightforward Stage ... is considered as a noise- free Each and every pixel of the image is checked for the presence of salt and pepper noise pixel During processing if a pixel element lies between “0 and 255”, it is left ... of original and restored images, σr and σx are standard deviations of original and restored images, r p and x p are the image contents of pth local window, and G is the number of local windows...
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báo cáo hóa học:" Integrated acoustic echo and background noise suppression technique based on soft decision" pptx
... acoustic echo and noise suppression algorithm using the combined power of acoustic echo and background noise within a soft decision framework The combined power of the acoustic echo and noise is adopted ... suppress the acoustic echo and the noise signal with a single gain based on soft decision For this, the noise and echo spectral are separately and efficiently estimated and combined by a single power ... conditions, white, babble, and vehicular noises from the NOISEX-92 database were added to clean near-end speech signals at signal-tonoise ratios (SNRs) of 5, 10, 15, and 20 dB For the purpose...
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Báo cáo hóa học: " Integrated acoustic echo and background noise suppression technique based on soft decision" doc
... acoustic echo and noise suppression algorithm using the combined power of acoustic echo and background noise within a soft decision framework The combined power of the acoustic echo and noise is adopted ... suppress the acoustic echo and the noise signal with a single gain based on soft decision For this, the noise and echo spectral are separately and efficiently estimated and combined by a single power ... conditions, white, babble, and vehicular noises from the NOISEX-92 database were added to clean near-end speech signals at signal-tonoise ratios (SNRs) of 5, 10, 15, and 20 dB For the purpose...
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Báo cáo hóa học: " Molecular Dynamics Simulation of Nanoindentation-induced Mechanical Deformation and Phase Transformation in Monocrystalline Silicon" potx
... 72 and nanoindentation-induced phase transformations during loading and unloading Both spherical and Berkovich indenters were considered Molecular ... metastable Si-III and Si-XII phases is strongly stress-dependent, different stress distributions induced by spherical and Berkovich indenters would result in different Si-III and Si-XII distributions ... et al [20] have observed and discussed the presence of Si-I, Si-II, Si-III, Si-XII, and bct5-Si phases during nanoindentation Among the several possible mechanisms of phase transformations in...
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Báo cáo hóa học: "Research Article Monte Carlo Solutions for Blind Phase Noise Estimation" pdf
... to the phase noise problem for uncoded and coded systems in Sections and 6, respectively Finally, Section provides numerical results and Section wraps up the paper Channel Model 2.1 Phase Noise ... (5) and exploit the fact that I[rk a∗ exp(− j θk−1 )] hazards an estimate of the k difference between θk−1 and the true value of θk The impact of the phase noise and the additive (thermal) noise ... the carrier phase If the carrier phase remains constant over a relatively long period, standard feed-forward estimation techniques can be applied In the presence of severe phase noise, however,...
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