Results 111 to 120 of about 28,904 (158)

The origins of patchy aurora at Jupiter. [PDF]

Nat Commun
Daly A, Li W, Ma Q, Shen XC, Hue V, Clark G, Greathouse TK, Gladstone GR, Mauk BH, Kurth WS, Hospodarsky GB, Allegrini F, Bolton SJ.   +12 more
europepmc   +1 more source

The Effect of Dioptric Blur on Sight-Reading Music. [PDF]

Ophthalmic Physiol Opt
Yu D, Akau M, Chung STL.
europepmc   +1 more source

Unraveling the relative impact of material and optical stochastic effects on EUV LWR. [PDF]

Sci Rep
Park JY, Seo Y, Shin DH, Chae H, Jang Y, Son WJ, Lee S, Go H, Park C, Kim DS, Sung MM, Koh C.   +11 more
europepmc   +1 more source

Real-Time Embedded Smart-Particle Monitoring for Index-Based Evaluation of Asphalt Mixture Compaction Quality. [PDF]

Sensors (Basel)
Xiao M, Yu X, Min W, Liu F, Li Y, Duan H, Liu F, Wu H, Ding X.   +8 more
europepmc   +1 more source

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Analysis of Pitch Curve of Internal-Curved Planet Gear Pump

Advanced Materials Research, 2013
Non-circular gear can be seen as a variant of circular gear, whose rolling circle become non-circular rather than circular of circular gear and such kind of non-circular rolling circle is called Pitch Curve. When designing of non-circular gear, one has to decide the Pitch Curve according to given conditions before determines other parameters. Generally,
Zhen Hui Luan, Chao Wang, Wei Peng Gao
exaly   +2 more sources

Pitch extraction by trigonometric curve fitting

IEEE Transactions on Acoustics, Speech, and Signal Processing, 1975
An algorithm is proposed for extracting the pitch of voiced speech. The method is based on approximating a given segment of the speech waveform in a least-squares sense by a finite Fourier series. In the approximation the fundamental frequency of the Fourier series, as well as its coefficients, is considered variable.
K Steiglitz
exaly   +2 more sources

SiPTH: Singing Transcription Based on Hysteresis Defined on the Pitch-Time Curve

IEEE/ACM Transactions on Audio Speech and Language Processing, 2015
In this paper, we present a method for monophonic singing transcription based on hysteresis defined on the pitch-time curve. This method is designed to perform note segmentation even when the pitch evolution during the same note behaves unstably, as in the case of untrained singers.
Isabel Barbancho, Ana M Barbancho, Lorenzo J Tardón   +2 more
exaly   +2 more sources

Synthesis of the steepest rotation pitch curve design for noncircular gear

Mechanism and Machine Theory, 2016
Abstract A steepest rotation method for designing pitch curve with fixed boundaries of noncircular gear is proposed by resorting to calculus of variations. A general mathematical model is established to design the steepest rotation pitch curves with integral constraint for noncircular gear pair, including external and internal meshing gear pair.
Xin Zhang, Shouwen Fan
exaly   +2 more sources

Pitch deviation measurement and analysis of curve-face gear pair

Measurement: Journal of the International Measurement Confederation, 2016
Abstract The curve-face gear pair is proposed as a new type of gear pair which was put forward in recent years. It can achieve variable ratio transmission of motion and power between the intersection axes. In the matter of the inspection of the pitch deviations of this gear pair, there is no practical possibility for a reliable metrological ...
Chao Lin
exaly   +2 more sources

Pitch pyrolysis kinetics from single TG curve

Journal of Analytical and Applied Pyrolysis, 2004
Abstract Global pitch pyrolysis kinetic parameters determined by different methods from single thermogravimetric curves are compared. Differential (Freeman–Carroll, Vachuska–Vobořil), integral (Coats–Redfern, Horowitz–Metzger) and the method of direct non-linear regression (NLR) were used.
Václav Slovak
exaly   +2 more sources