نتایج جستجو برای: waveform

تعداد نتایج: 15679  

2012
Joan Mercade

The purpose of this white paper is to show how the Agilent 33500B Series Trueform waveform generators can be applied to generate complex modulated signals. The Agilent 33500B Series Trueform waveform generators offer a very cost-effective solution for generating many modern, complex, baseband IQ digital communication signals. This white paper demonstrates the Agilent 33500B Series Trueform wave...

2009
Antonia Papandreou-Suppappola Arye Nehorai Robert Calderbank

IEEE SIGNAL PROCESSING MAGAZINE [10] JANUARY 2009 I magine being able to recognize objects under water while swimming, just like dolphins do, or being able to locate objects while actively homing in, just like bats do. Echolocation in these mammals has evolved over millions of years. Initial returns are processed to locate and identify objects, and then the mammal adapts the time-frequency sign...

Journal: :Journal of insect physiology 2006
P Houston Joost Elaine A Backus David Morgan Fengming Yan

Glassy-winged sharpshooter, Homalodisca coagulata (Say), is an efficient vector of Xylella fastidiosa (Xf), the causal bacterium of Pierce's disease, and leaf scorch in almond and oleander. Acquisition and inoculation of Xf occur sometime during the process of stylet penetration into the plant. That process is most rigorously studied via electrical penetration graph (EPG) monitoring of insect f...

2008

Timing jitter generally causes a bias (systematic error) in the amplitude estimates of sampled waveforms. Equations are developed for computing the bias in both the time and frequency domains. Two principal estimators are considered: the sample mean and the socalled Markov estimator used in some equivalent-time sampling systems. Examples are given using both real and simulated data. I . INTRODU...

2013
Junhyeong Bae Nathan A. Goodman Michael Gehm Ivan B. Djordjevic Ali Bilgin

............................................................................................................... 13 CHAPTER 1 – INTRODUCTION ........................................................................... 15 CHAPTER 2 – AUTOMATIC TARGET RECOGNITION .................................. 22 2.1 Automatic Target Recognition for Monostatic Radar ................................. 22 2.1.1 Pr...

1994
Tony Robinson

This report describes a program that performs compression of waveform les such as audio data. A simple predictive model of the waveform is used followed by Huuman coding of the prediction residuals. This is both fast and near optimal for many commonly occuring waveform signals. This framework is then extended to lossy coding under the conditions of maximising the segmental signal to noise ratio...

Journal: :Appl. Math. Lett. 2016
Xavier Antoine Emmanuel Lorin

A Schwarz Waveform Relaxation (SWR) algorithm is proposed to solve by Domain Decomposition Method (DDM) linear and nonlinear Schrödinger equations. The symbols of the transparent fractional transmission operators involved in Optimized Schwarz Waveform Relaxation (OSWR) algorithms are approximated by low order Lagrange polynomials to derive Lagrange-Schwarz Waveform Relaxation (LSWR) algorithms ...

2002
Neil Henderson Neil White Raymond Veldhuis Pieter Hartel Kees Slump

The use of signals resulting from tapping a rhythm on a pressure sensor is explored for authentication. The features used for authentication can be divided into rhythm and waveform features. This paper studies the use of waveform features. A verification scheme based on prototype waveforms is presented. The scheme is tested on experimental data. Based on waveform-only information, an Equal Erro...

Journal: :Bjog 2007
I Amer-Wahlin S Arulkumaran H Hagberg K Maršál GHA Visser

ST waveform analysis of fetal electrocardiogram (ECG) for intrapartum surveillance (STAN) is a newly introduced method for fetal surveillance. The purpose of this commentary is to assist in the proper use of fetal ECG in combination with cardiotocography (CTG) during labour. Guidelines and recommendations concerning CTG and ST waveform interpretation and classification are stated that were agre...

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