Results 81 to 90 of about 359,536 (206)

Delta-System Method: A Survey

open access: yes
First version of the survey - possibly, to be updated within a year or ...
openaire   +2 more sources

District level poverty estimation: a spatial approach [PDF]

open access: yes
The paper uses the procedure for estimating regional consumer price index numbers based on the estimation of item-specific region wise Engel curves. Given the problem of unavailability of official district level poverty lines, the same are estimated by ...
Somnath Chattopadhyay
core  

Internal generation of waves: Delta source function method and source term addition method [PDF]

open access: yes, 2007
author's final versionIn this study, we investigate two internal wave generation methods in numerical modeling of time-dependent equations for water wave propagation, i.e., delta source function method and source term addition method, the latter of which
Kim, Gunwoo   +2 more
core   +2 more sources

Life cycle assessment of intensive striped catfish farming in the Mekong Delta for screening hotspots as input to environmental policy and research agenda [PDF]

open access: yes, 2011
Purpose Intensive striped catfish production in the Mekong Delta has, in recent years, raised environmental concerns. We conducted a stakeholder-based screening life cycle assessment (LCA) of the intensive farming system to determine the critical ...
Pham Thi Ahn   +5 more
core   +1 more source

A Differential Quadrature Procedure with Direct Projection of the Heaviside Function for Numerical Solution of Moving Load Problem

open access: yesLatin American Journal of Solids and Structures
Owing to its particular characteristics, the direct discretization of the Dirac-delta function is not feasible when point discretization methods like the differential quadrature method (DQM) are applied.
S.A. Eftekhari
doaj   +1 more source

Development of a Free Space Optical Communication System Using the Delta-Sigma Modulation Method [PDF]

open access: yes, 1994
P(論文)This paper describes development of a free space optical communication system with the delta-sigma modulation scheme. The delta-sigma modulater can convert analog signals into 1 bit digital signals whose SNR against the quantum noise is equal to ...
42552   +9 more
core   +1 more source

Research on the grasping method of delta robot flexible gripper based on multiple models and improved WOA algorithm

open access: yesShipin yu jixie
[Objective] Solve the problems of poor control accuracy and adaptability in the Delta robot flexible gripper grasping method. [Methods] This article took the Delta robot flexible gripper as the research object and proposed a Delta robot flexible gripper ...
ZHANG Min   +3 more
doaj   +1 more source

Sigma-Delta Based Modulation Method for Matrix Converters [PDF]

open access: yes, 2018
This paper presents a new modulation method for matrix converters control, based on Sigma-Delta modulation. The method employs a Sigma-Delta modulator, equipped with a quantizer with time-variable reference levels.
Simone Orcioni   +4 more
core   +1 more source

Comparison of Corneal Power and Astigmatism between Simulated Keratometry, True Net Power, and Total Corneal Refractive Power before and after SMILE Surgery

open access: yesJournal of Ophthalmology, 2017
Purpose. To compare the mean corneal power (Km) and total astigmatism (Ka) estimated by three methods: simulated keratometry (simK), true net power (TNP), and total corneal refractive power (TCRP) before and after femtosecond laser small incision ...
Yishan Qian   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy