scholarly journals Are different M = a + bI0 relationships due to a statistical bias?

1998 ◽  
Vol 41 (1) ◽  
Author(s):  
M. Mucciarelli
Keyword(s):  
Functional Form ◽  
Macroseismic Intensity ◽  
Data Sampling ◽  
Statistical Bias ◽  
The Common

Relationships between magnitude and macroseismic intensity are widely used, even though intensity is a non-metric observable. Several proposed relationships for the Italian and surrounding regions show a significant correlation of the parameters of the widely used functional form M = a + bI0 This could suggest either the common dependence on a third variable or that the different proposed relationships are due to a pivotal phenomenon around average values, mainly driven by data sampling and uncertainties. Synthetic simulations lend support to the last hypothesis.

Modified CMFB Circuit with Enhanced Accuracy for Data Converter Application

2013 ◽  
Vol 446-447 ◽  
pp. 992-996
Author(s):  
Mohd Fairus Ahmad ◽  
Sohiful Anuar Zainol Murad ◽  
Mukhzeer Mohamad Shahimin ◽  
Shamsul Amir Abdul Rais ◽  
Ahmad Fariz Hasan
Keyword(s):  
Low Power Design ◽  
Data Sampling ◽  
Data Converter ◽  
Process Technology ◽  
Common Mode ◽  
Common Mode Voltage ◽  
Transconductance Amplifier ◽  
Voltage Division ◽  
The Common ◽  
Feedback Voltage

Enhanced feedback voltage of common mode feedback (CMFB) circuit is designed in this work for CMOS data sampling application using 0.18-μm Silterra process technology. The double error detecting point circuit is employed to associate with the feedback point in order to prevent the undesired voltage common mode at the output of operational transconductance amplifier (OTA). The PMOS input transistor for injecting the common mode voltage is used to fit in the limitation of voltage division in low power design. The feedback voltage is strongly pushed to have a stable value as to make the outputs of differential amplifier circuit swing at a nearly constant voltage at 1.2 V for enhancing accuracy of data converter.

Public Input Provision in Asymmetric Regions with Labor Market Imperfections

2018 ◽  
Vol 19 (4) ◽  
pp. 466-492
Author(s):  
Holger Gillet ◽  
Johannes Pauser
Keyword(s):  
Labor Market ◽  
Capital Market ◽  
Functional Form ◽  
Market Imperfections ◽  
Public Input ◽  
Tax Subsidy ◽  
Pecuniary Externalities ◽  
Public Inputs ◽  
The Common ◽  
The Interest Rate

Abstract This paper examines efficiency in public input provision in two large regions with labor market imperfections. Because employment and pecuniary externalities are associated with public input provision, the provision level exceeds the optimal amount under the presence of wage rigidities in the capital-exporting jurisdiction if only head taxes are used to finance government expenditures. Efficiency in public input provision will remain ambiguous in the capital-importing jurisdiction unless a specific functional form is assumed for the production technology. The constrained efficient provision with public inputs can be restored with an additional tax (subsidy) on capital that is used to strategically influence the interest rate on the common capital market and to increase employment by attracting foreign capital.

scholarly journals Macroseismic intensity evaluation with the >

1995 ◽  
Vol 38 (5-6) ◽  
Author(s):  
G. Ferrari ◽  
P. Gasperini ◽  
E. Guidoboni
Keyword(s):  
Fuzzy Sets ◽  
Decision Process ◽  
Evaluation Process ◽  
Macroseismic Intensity ◽  
Computer Method ◽  
Common Language ◽  
Historical Records ◽  
Approximate Relation ◽  
Macroseismic Scale ◽  
The Common

The use of a macroseismic scale often requires subjective choices and judgments which may produce inhomogeneities and biases in the resulting intensities. To get over this problem it would be necessary to formalize the decision process leading to the estimation of the macroseismic intensity but, on historical records, this is often hindered by the poorness and incompleteness of the aLailable information and by the intrinsical ambiguity of the common language. Moreover. all the intensity scales have always been created and updated to be used <<in the field. on contemporary earthquakes and then it may happen tkdt even detailed historical descriptions often do not correspond to the descriptive frameworks of any grade. I11 order to face these problems. we propose in this work a computer method for the evaluation of the macroseismic intensity which makes use of the <<Fuzzy Sets Logic>>T. his approach reproduces the taslts performed by the hurnan brain which. taking advantage of the tolerance of imprecision. is able to handle with information bearing only an approximate relation to the data. This allows to understand and make explicit some passes of the evaluation process that are unconsciously followed by the macroseismic exper

scholarly journals Some Models of Inference in the Risk Theory from a Bayesian Viewpoint

1974 ◽  
Vol 8 (1) ◽  
pp. 38-56 ◽  
Author(s):  
Luciano Daboni
Keyword(s):  
Joint Distribution ◽  
Functional Form ◽  
Point Of View ◽  
Risk Theory ◽  
Common Distribution ◽  
The Common ◽  
Risk Processes ◽  
Partial Exchangeability ◽  
Structural Point ◽  
The Bayesian Approach

Our purpose is to introduce some models of inference for risk processes. The bayesian viewpoint is adopted and for our treatment the concepts of exchangeability and partial exchangeability (due to B. de Finetti, [6], [7]) are essential.We recall the definitions:The random variables of a sequence (X1, X2 …) are exchangeable if, for every n, the joint distribution of n r.v. of the sequence is always the same, whatever the n r.v. are and however they are permuted.From a structural point of view an exchangeable process X1, X2 … can be intended as a sequence of r.v. equally distributed among which a “stochastic dependence due to uncertainty” exists. More precisely the Xi are independent conditionally on any of a given set (finite or not) of exhaustive and exclusive hypothesis. These hypotheses may concern, for instance, the values of a parameter (number or vector) on which the common distribution, of known functional form, of Xi depends. We shall restrict ourselves to this case. Therefore, we shall assume that, conditionally on each possible value θ of a parameter Θ, the Xi are independent with F(x/θ) as known distribution function. According to the bayesian approach, a probability distribution on Θ must be assigned.

scholarly journals A Simple Approach in Estimating the Effectiveness of Adapting Mirror Concentrator and Tracking Mechanism for PV Arrays in the Tropics

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
M. E. Ya’acob ◽  
H. Hizam ◽  
H. Abdul Rahman ◽  
W. Z. Wan Omar ◽  
Myo Than Htay ◽  
...  
Keyword(s):  
Power Generation ◽  
Field Method ◽  
Data Sampling ◽  
Solar Pv ◽  
Dc Power ◽  
The Common ◽  
Additional Reference ◽  
Testing Condition ◽  
The Tropics ◽  
Pv Generator

Mirror concentrating element and tracking mechanism has been seriously investigated and widely adapted in solar PV technology. In this study, a practical in-field method is conducted in Serdang, Selangor, Malaysia, for the two technologies in comparison to the common fixed flat PV arrays. The data sampling process is measured under stochastic weather characteristics with the main target of calculating the effectiveness of PV power output. The data are monitored, recorded, and analysed in real time via GPRS online monitoring system for 10 consecutive months. The analysis is based on a simple comparison of the actual daily power generation from each PV generator with statistical analysis of multiple linear regression (MLR) and analysis of variance test (ANOVA). From the analysis, it is shown that tracking mechanism generates approximately 88 Watts (9.4%) compared to the mirror concentrator which generates 144 Watts (23.4%) of the cumulative dc power for different array configurations at standard testing condition (STC) references. The significant increase in power generation shows feasibilities of implying both mechanisms for PV generators and thus contributes to additional reference in PV array design.

Catalogue reduction techniques

1978 ◽  
Vol 48 ◽  
pp. 389-390 ◽  
Author(s):  
Chr. de Vegt
Keyword(s):  
Adjustment Process ◽  
Proper Motions ◽  
Measuring Process ◽  
Aerial Photogrammetry ◽  
Reduction Techniques ◽  
Observational Technique ◽  
The Common ◽  
Astrometric Data

AbstractReduction techniques as applied to astrometric data material tend to split up traditionally into at least two different classes according to the observational technique used, namely transit circle observations and photographic observations. Although it is not realized fully in practice at present, the application of a blockadjustment technique for all kind of catalogue reductions is suggested. The term blockadjustment shall denote in this context the common adjustment of the principal unknowns which are the positions, proper motions and certain reduction parameters modelling the systematic properties of the observational process. Especially for old epoch catalogue data we frequently meet the situation that no independent detailed information on the telescope properties and other instrumental parameters, describing for example the measuring process, is available from special calibration observations or measurements; therefore the adjustment process should be highly self-calibrating, that means: all necessary information has to be extracted from the catalogue data themselves. Successful applications of this concept have been made already in the field of aerial photogrammetry.

Renilla Bioluminescence: A Morphologic Approach to the Location of Photocytes

1974 ◽  
Vol 32 ◽  
pp. 208-209
Author(s):  
Ben O. Spurlock ◽  
Milton J. Cormier
Keyword(s):  
Excited State ◽  
Ground State ◽  
Molecular Basis ◽  
Light Emission ◽  
Chemical Basis ◽  
Electronic Excited State ◽  
Colonial Form ◽  
The Common ◽  
Eighteenth And Nineteenth Centuries ◽  
Catalyzed Oxidation

The phenomenon of bioluminescence has fascinated layman and scientist alike for many centuries. During the eighteenth and nineteenth centuries a number of observations were reported on the physiology of bioluminescence in Renilla, the common sea pansy. More recently biochemists have directed their attention to the molecular basis of luminosity in this colonial form. These studies have centered primarily on defining the chemical basis for bioluminescence and its control. It is now established that bioluminescence in Renilla arises due to the luciferase-catalyzed oxidation of luciferin. This results in the creation of a product (oxyluciferin) in an electronic excited state. The transition of oxyluciferin from its excited state to the ground state leads to light emission.

Mammalian Bone Marrow Acetylcholinesterase

1982 ◽  
Vol 40 ◽  
pp. 44-45
Author(s):  
Ezzatollah Keyhani
Keyword(s):  
Central Nervous System ◽  
Bone Marrow ◽  
Nervous System ◽  
Common Property ◽  
Extracellular Medium ◽  
The Central Nervous System ◽  
The Common ◽  
Mammalian Bone

Acetylcholinesterase (EC 3.1.1.7) (ACHE) has been localized at cholinergic junctions both in the central nervous system and at the periphery and it functions in neurotransmission. ACHE was also found in other tissues without involvement in neurotransmission, but exhibiting the common property of transporting water and ions. This communication describes intracellular ACHE in mammalian bone marrow and its secretion into the extracellular medium.

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