The quadrature modulator is a fundamental radio component for worldwide digital wireless communication standards such as Global System for Mobile Communications (GSM), Digital Communications SystemsÐ1800 MHz (DCS1800), Digital European Cordless Telecommunications (DECT), American and Personal Digital Cellular (ADC/PDC), Japanese Personal Handy Phone (PHP RCR28). A typical system application and...

Background The main purpose of this study was to identify factors that influence healthcare quality in the Iranian context.   Methods Exploratory in-depth individual and focus group interviews were conducted with 222 healthcare stakeholders including healthcare providers, managers, policy-makers, and payers to identify factors affecting the quality of healthcare services provided in Iranian hea...

This article analyses the success and failure factors underlying smallholder farmers’ resilience to drought in Sub-Saharan Africa based on a literature review of period 2007–19. The analysis is guided by transformation theory, which states that requires adequate preconditions three spheres: practical, political personal. While significant progress has occurred practical sphere, only moderate ch...

Recent studies have confirmed the importance of understanding the cognition of users and information systems (IS) professionals. These works agree that organizational cognition is far too critical to be ignored as it can impact on IS outcomes. While cognition has been considered in a variety of IS contexts, no specific methodology has dominated. A theory and method suitable to the study of cogn...