نتایج جستجو برای: band matrix

تعداد نتایج: 493844  

1998
F. Zimmermann D. H. Whittum C. K. Ng

We estimate the short-range wake elds in the W-band active matrix linac of a 5-TeV collider, and demonstrate that for the assumed 60-pC bunch c harge and 10-m rms bunch length they are acceptable. Abstract. We estimate the short-range wake elds in the W-band active matrix linac of a 5-TeV collider, and demonstrate that for the assumed 60-pC bunch c harge and 10-m rms bunch length they are accep...

Journal: :Physical review. B, Condensed matter 1991
Pryor

The subband structure and band-to-band optical matrix elements are computed for serpentine superlattice quantum-wire arrays. The subband dispersion and bandwidths are examined as a function of the curvature of the confining barriers and of the barrier height separating the wires. The optical matrix elements show a strong polarization dependence, even when the coupling between wires in the array...

Journal: :Signal Processing 2006
Tony Lin Pengwei Hao Shufang Xu

This paper presents a matrix factorization method for implementing orthonormal M-band wavelet reversible integer transforms. Based on an algebraic construction approach, the polyphase matrix of orthonormal M-band wavelet transforms can be factorized into a finite sequence of elementary reversible matrices that map integers to integers reversibly. These elementary reversible matrices can be furt...

2001
Richard J. Vaccaro Brian F. Harrison

This paper introduces matrix filters as a tool for localization and detection problems in passive sonar. The outputs of an array of sensors, at some given frequency, can be represented by a vector of complex numbers. A linear filtering operation on the sensor outputs can be expressed as the multiplication of a matrix (called a matrix filter) times this vector. The purpose of a matrix filter is ...

Journal: :Signal Processing 2022

In this paper, we present a method to estimate the signal subspace at all frequencies in given band, which is computed from usual set of frequency-bin sample covariance matrices wideband estimation. Fundamentally, exploits similarity between any two near-by produce an improved along band. Its key idea consists modeling by means projection matrix function approximated polynomial. The provides im...

Journal: :Computer Methods in Applied Mechanics and Engineering 1977

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