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spectral analysis
Items for "spectral analysis"
Modelling long-term heart rate variability: an ARFIMA approach
Long-term heart rate variability (HRV) series can be described by time-variant autoregressive modelling...
Keywords: long-range correlations, selective adaptive segmentation, spectral analysis
10/2006 | Biomedizinische Technik, Walter de GruyterCentral vasopressin V1a and V1b receptors modulate the cardiovascular response to air-jet stress in conscious rats
This study investigates the contribution of central vasopressin receptors in the modulation of systolic arterial pressure (SAP) and heart rate (HR) response to air-jet stress in conscious Wistar rats equipped with a femoral arterial catheter and intracerebroventricular cannula using novel non-peptide and selective vasopressin V1a (SR49059) and V1b (SSR149415) antagonists...
Keywords: blood pressure, heart rate, spectral analysis
10/2006 | Biomedizinische Technik, Walter de GruyterEmbedded Diagnosis for Pressure Transmitters
The paper shows the successful implementation of the plugged-impulse-lines diagnostic function in a differential pressure transmitter...
Keywords: diagnosis, pressure transmitters, spectral analysis, impulse lines
09/2007 | tm – Technisches Messen, Oldenbourg WissenschaftsverlagNew Parameters for Analysis of Distortions of a Coriolis Mass Flow Meter
All systems of flow measurement fail in the case of two-phase flows. The Coriolis mass flow meter shows deviations already at small volumes of gas higher one percent, which cause uncertainties of the values of mass flow and density...
Keywords: coriolis mass flow meter, spectral analysis, two-phase flow, exciting current, sensor voltage
11/2007 | tm – Technisches Messen, Oldenbourg Wissenschaftsverlag