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Now showing items 1-10 of 355

#### Convolution, filtering, and multiplexing in fractional Fourier domains and their relation to chirp and wavelet transforms

(, 1994)

A concise introduction to the concept of fractional Fourier transforms is followed by a discussion of their relation to chirp and wavelet transforms. The notion of fractional Fourier domains is developed in conjunction ...

#### Single-crystal sum-frequency-generating optical parametric oscillator

(Optical Society of America, 1999)

We report a synchronously pumped optical parametric oscillator that generates the sum frequency of the pump and the signal wavelengths. A single KTiOPO4 (KTP) crystal is used for both parametric generation and sum-frequency ...

#### Limit to bit rate capacity of electrical interconnects from aspect ratio of system architecture

(Elsevier, 1997-02-25)

We show that there is a limit to the total number of bits per second,
B, of information that can flow in a simple digital electrical
interconnection that is set only by the ratio of the length l of the
interconnection ...

#### Gibbs random field model based weight selection for the 2-D adaptive weighted median filter

(Institute of Electrical and Electronics Engineers, 1994)

A generalized filtering method based on the minimization
of the energy of the Gibbs model is described. The well-known linear
and median filters are all special cases of this method. It is shown that,
with the selection ...

#### Job shop scheduling with beam search

(Elsevier, 1999-10-16)

Beam Search is a heuristic method for solving optimization problems. It is an adaptation of the branch and bound
method in which only some nodes are evaluated in the search tree. At any level, only the promising nodes are ...

#### Bivariate distribution and the hazard functions when a component is randomly truncated

(Elsevier, 1997-01)

In random truncation models one observes the i.i.d. pairs (Ti≤Yi), i=1, ..., n. If Y is the variable of interest, then T is another independent variable which prevents the complete observation of Y and random left truncation ...

#### Weak and strong quantile representations for randomly truncated data with applications

(Elsevier, 1993-05-26)

Suppose that we observe bivariate data (X,. q) only when Y, < Xi (left truncation). Denote with F the marginal d.f. of
the X’s In this paper we derive a Bahadur-type representation for the quantile function of the pertaining ...

#### On a parameter estimation method for Gibbs-Markov random fields

(IEEE, 1994-04)

This correspondence is about a Gibbs-Markov random field
(GMRF) parameter estimation technique proposed by Derin and Elliott.
We will refer to this technique as the histogramming (H) method. First,
the relation of the ...

#### Nanometer-scale patterning and individual current-controlled lithography using multiple scanning probes

(American Institute of Physics., 1999-03-19)

Scanning probe lithography(SPL) is capable of sub-30-nm-patterning resolution and nanometer-scale alignment registration, suggesting it might provide a solution to the semiconductor industry’s lithography challenges. ...

#### Biquadratic transconductance switched capacitor filters

(IEEE, 1993-04)

Switched-capacitor (SC) filters yield efficient implementations in integrated form. However, they employ op-amps, each of which must be designed for a given filter separately. Furthermore, SC filters are not tunable. This ...