Hip flexor strain occurs from overuse of the muscles that help you flex your. knee or do high kicks. This injury occurs in bicyclist, athletes who jump or. run with high knee kicks, athletes like soccer players, who do forceful. kicking activities, and people who practice, and people who practice the. martial arts.
In statistics , a spurious relationship ( see also spurious correlation and spurious regression ) is a mathematical relationship in which two or more events or variables are not causally related to each other ( i.e. they are independent ) , yet it may be wrongly inferred that they are , due to either coincidence or the presence of a certain third , ...
This matters: Spurious Free Dynamic Range (SFDR) April 13, 2015 | BY: Denis Smetana. Spurious free dynamic range (SFDR) is a critical parameter for assessing the ability of a particular ADC or DAC to process or generate an analog signal. For applications processing sensor data or generating specific waveforms, SFDR represents the smallest signal that can be distinguished from any other artifacts that are generated as part of the processing.