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Dynamic Reconfiguration Technologies Based on FPGA in Software Defined Radio System

Partial Reconfiguration (PR) is a method for Field Programmable Gate Array (FPGA) designs which allows multiple applications to time-share a portion of an FPGA while the rest of the device continues to operate unaffected. Using this strategy, the physical layer processing architecture in Software Defined Radio (SDR) systems can benefit from reduced complexity and increased design flexibility, as different waveform applications can be grouped into one part of a single FPGA. Waveform switching often means not only changing functionality, but also changing the FPGA clock frequency. However, that is beyond the current functionality of PR processes as the clock components (such as Digital Clock Managers (DCMs)) are excluded from the process of partial reconfiguration. In this paper, we present a novel architecture that combines another reconfigurable technology, Dynamic Reconfigurable Port (DRP), with PR based on a single FPGA in order to dynamically change both functionality and also the clock frequency. The architecture is demonstrated to reduce hardware utilization significantly compared with standard, static FPGA design.     

Religious affiliation and psychopathology in a Mexican-American population.

Studied 54 Protestant and 54 Catholic Mexican-American Ss of similar levels of acculturation, education, and socioeconomic background. Evaluations of psychopathology were derived from the L-R sections of the Cornell Medical Index and behavioral observations. The lower rate of pathological responses by Protestant Ss was attributed to the social support offered by the small, intimate congregations with their strong, paternal leadership and the Protestant doctrines of asceticism and individual responsibility which contribute to impulse control. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Effects of interference and cognitive arousal upon the processing of organized thought.

Reports part of a series dealing with cognitive arousal and reverberation. Prior investigations highlighted the influence of brief posthypnotic manipulations of mental arousal, introduced during the reverberation phase following stimulus presentation of strings of consonants, upon the later salience of those stimuli. 2 male undergraduates' tasks consisted 1st of reading aloud 6 words in scrambled order from 2 familiar 3-word phrases and then reporting whatever words popped into mind during a 12-sec period. Posthypnotic experimental interventions consisted of (1) the auditory hallucination of numbers while reporting words, and (2) the alterations of cognitive arousal in 5 degrees ranging from very high to very low. Both variables produced significant effects upon the meaningful organization of words in 2 Ss' reports. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Personality profiles of gifted women: Psychologists.

Compared the responses to the 16PF of 124 highly successful women psychologists with women in general, college women, and successful academic men to identify personality factors enabling these women to succeed in spite of powerful sex-role expectations to the contrary. In terms of test scores, women psychologists were significantly more intelligent, socially aloof, dominant, serious, adventuresome, sensitive, flexible, imaginative, insightful, unconventional, secure, self-sufficient, and less anxiety-prone than women in general and college girls. Despite similar test profiles of successful academic men and women, the women scored higher on intelligence, radicalism, and super-ego strength, and lower on self-sentiment. Women who published extensively were more exacting and socially aloof than less productive women psychologists. (28 ref.) (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Relations of heart rate to motor activity and arousal in the rat.

Recorded heart rate in 9 male hooded rats and 1 male albino rat under conditions of satiation or food deprivation. Increased heart rate was associated with phasic movement or an erect posture. These 2 factors appeared to combine during face washing or licking of the back, resulting in heart rates up to 500/bpm. Food deprivation up to 47 hr. had no direct effect on heart rate. It is suggested that many of the results of studies relating heart rate in the rat to learning, motivation, arousal, etc. may be secondary effects of changed behavior patterns such as an increase or decrease in grooming. (French summary) (20 ref.) (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Primate research, family politics, and social policy: Transforming "cads" into "dads."

The ideology of fatherhood, as it is defined in Western, industrialized culture, assumes that fathers are biologically predisposed to be relatively uninvolved in infant care. This article summarizes recent revisions of both primate research and sociobiological theory. These new perspectives on male parenting behavior shift the focus from a narrow emphasis on the genetic relationship between male primates and their offspring to a broader focus that includes multiple social, demographic, and ecological variables. This paradigm underlines the behavioral flexibility, rather than the behavioral fixity, of male parenting behaviors. The relevance of this new theoretical consensus for social policy that could strengthen fathers' relationships with their children is discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Dietary disinhibition, perceived stress, and glucose control in young, Type 1 diabetic women.

Examining the relationship of stress, dietary disinhibition, and blood glucose control in diabetic young women was the goal of this study. 65 diabetic girls and women, ranging in age from 12 to 26 yrs, completed eating behaviors and perceived stress scales during regular clinic visits. Blood glucose control was assessed by concurrent glycosylated hemoglobin measurements. Multiple regression analyses indicated that high levels of perceived stress predicted dietary disinhibition and that within the age range studied, young women were more likely than early adolescent girls to perceive their life as stressful. Contrary to previous findings that failed to show that stress can indirectly affect glucose control by interfering with compliance behaviors, the present work indicated a Stress?×?Dietary Disinhibition interaction in predicting glucose control. Blood glucose control was poorest in those diabetic women who both perceived their lives as stressful and reported medium to high disinhibition. Blood glucose control was unrelated to stress in young women who reported low levels of disinhibition. These results have implications for the development of specific interventions for young diabetic women who perceive their lives as stressful and who may respond to stress by eating. (PsycINFO Database Record (c) 2010 APA, all rights reserved)