Frequency scaling

Xem 1-20 trên 26 kết quả Frequency scaling
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Nonlinear Frequency Scaling Algorithm for High Squint Spotlight SAR Data Processing

    pdf8p dauphong16 20-02-2012 23 2   Download

  • Wireless Communications Principles and Practice - Chapter 4: Mobile Radio Propagation Large-Scale Path Loss Introduction, Electromagnetic Spectrum, Electromagnetic Waves; Speed, Wavelength, Frequency; Electric and Magnetic Fields.

    pdf38p maiyeumaiyeu25 16-12-2016 8 2   Download

  • We present a joint model for Chinese word segmentation and new word detection. We present high dimensional new features, including word-based features and enriched edge (label-transition) features, for the joint modeling. As we know, training a word segmentation system on large-scale datasets is already costly.

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  • The main contents of this chapter include all of the following: Transfer function, the decibel scale, bode plots, series resonance, parallel resonance, passive filters, active filters, scaling.

    pdf78p youcanletgo_04 17-01-2016 13 0   Download

  • Phần mềm tiết kiệm điện khi dùng máy tính Tiết kiệm năng lượng và bảo vệ môi trường là một trong những vấn đề được quan tâm hàng đầu hiện nay. Bạn cũng có thể góp phần giúp bảo vệ môi trường và tiết kiệm điện năng tiêu thụ khi sử dụng máy tính với Granola. Granola là phần mềm miễn phí, sử dụng thuật toán thông minh, giúp tối ưu hệ thống để máy tính sử dụng ít điện năng hơn, nhưng vẫn giữ nguyên được hiệu quả và tốc độ vốn có.

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  • Special and general relativity are the theories describing the physics of space and time. Space and time are explored with clocks and electromagnetic signals. Therefore, special and general relativity are related to precise clocks and the thorough understanding of signal propagation. The ever-increasing accuracy of clocks together with novel methods for precision time transfer and clock synchronization are pivotal for the new generation of experiments probing the validity of Einstein’s theories from subatomic distances to cosmic scales....

    pdf660p tom_123 14-11-2012 29 6   Download

  • The national metrology institutes always establish their time scale UTC(k) (UTC of k laboratory) based on the atomic clocks. Atomic clocks and a time scale algorithm provides an ensemble time which is better than any component clock in the system. This paper introduces establishing of Vietnam time scale UTC(VMI) (UTC of Vietnam Metrology Institute) using the comparison data of commercial ceasium atomic clocks. We applied the time scale algorithm named AT1 and an own our method and present instrument at the time and frequency laboratory – VMI. ...

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Time-Frequency and Time-Scale-Based Fragile Watermarking Methods for Image Authentication Braham Barkat1 and Farook Sattar (EURASIP Member)2 1 Department 2 Faculty

    pdf14p dauphong14 11-02-2012 26 3   Download

  • absolute pollen frequency (APF) *Pollen data from sediments, expressed in terms of the absolute numbers for each *species, *genus, or *family, per unit volume of sedi- ment and, where deposition rates are known, per unit time. In certain circumstances this approach gives clearer information than does the traditional way of expressing pollen data as *relative pollen frequencies (RPFs). APFs are particularly useful in site comparisons in which one or more high pollen producers vary.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Computationally Efficient Scale Covariant Time-Frequency Distributions Selin Aviyente

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Time-Scale and Time-Frequency Analyses of Irregularly Sampled Astronomical Time Series

    pdf14p dauphong20 11-03-2012 14 2   Download

  • In July 1923, the Brazilian composer Heitor Villa-Lobos arrived in Paris as a complete unknown. Some five years had passed since his first large-scale concert in Brazil; Villa-Lobos journeyed to Europe with the intention of publicizing his musical output. His entry into the Parisian art world took place through the group of Brazilian modernist painters and writers he had encountered in 1922, immediately before the Modern Art Week in São Paulo.

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  • Moreover, the activity of the microbial enzyme can be easily modulated and their production can scale up. It is estimated that there are about 200 enzymes originated from microorganisms are commercialized. Proteases are enzymes that hydrolyze proteins into smaller peptides and free amino acids.

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  • The discrete wavelet transform (DWT) algorithms have a firm position in processing of signals in several areas of research and industry. As DWT provides both octavescale frequency and spatial timing of the analyzed signal, it is constantly used to solve and treat more and more advanced problems. The DWT algorithms were initially based on the compactly supported conjugate quadrature filters (CQFs). However, a drawback in CQFs is due to the nonlinear phase effects such as spatial dislocations in multi-scale analysis.

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  • Discrete wavelet transform (DWT) algorithms have become standard tools for discrete-time signal and image processing in several areas in research and industry. As DWT provides both frequency and location information of the analyzed signal, it is constantly used to solve and treat more and more advanced problems. The present book: Discrete Wavelet Transforms: Theory and Applications describes the latest progress in DWT analysis in non-stationary signal processing, multi-scale image enhancement as well as in biomedical and industrial applications....

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  • The process of integrated circuits (IC) started its era of very-large-scale integration (VLSI) in 1970’s when thousands of transistors were integrated into a single chip. Since then, the transistors counts and clock frequencies of state-of-art chips have grown by orders of magnitude. Nowadays we are able to integrate more than a billion transistors into a single device. However, the term “VLSI” remains being commonly used, despite of some effort to coin a new term ultralarge- scale integration (ULSI) for finer distinctions many years ago.

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  • IMAGE FEATURE EXTRACTION An image feature is a distinguishing primitive characteristic or attribute of an image. Some features are natural in the sense that such features are defined by the visual appearance of an image, while other, artificial features result from specific manipulations of an image. Natural features include the luminance of a region of pixels and gray scale textural regions. Image amplitude histograms and spatial frequency spectra are examples of artificial features.

    pdf42p doroxon 12-08-2010 46 4   Download

  • satisfy thoả mãn .. s. an equation thoả mãn một phương trình, nghiệm đúng một phương trình saturate bão hoà saturation sự bão hoà save tiết kiệm scalar vô hướng // lượng vô hướng relative s. hh. lượng vô hướng tương đối scale thang binary s. thang nhị phân circular s. mt. thang tỷ lệ tròn, thang vòng decimal s. thang thập phân diagonal s. thang tỷ lệ ngang distance s. thang tuyến tính,thang tỷ lệ thẳng 375 expanded s. thang phóng đại frequency s. thang tần số logarithmic s. thang lôga non-uniform s. ...

    pdf28p xingau2 04-08-2011 33 4   Download

  • Obtaining an accurate 24-hour-sleep-wake history is extremly important. History should be focused also on relevant factors as medical history, compensation of epilepsy, type and frequency of epileptic seizures, their incidence according to circadian cycle and actual antiepileptic medication, or other drug and medication use. Also social, enviromental or psychological conditions, which may interfere with sleep quality, should be evaluated. Neurological examination in connection with neuroimaging methods (MRI) can detect cerebral leasions as the reason of sleep problems.

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  • Large-scale discriminative machine translation promises to further the state-of-the-art, but has failed to deliver convincing gains over current heuristic frequency count systems. We argue that a principle reason for this failure is not dealing with multiple, equivalent translations. We present a translation model which models derivations as a latent variable, in both training and decoding, and is fully discriminative and globally optimised. Results show that accounting for multiple derivations does indeed improve performance.

    pdf9p hongphan_1 15-04-2013 19 3   Download

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