Andrew Topper

Learn More
A cross-sectional study was performed to investigate the association between fear of falling and postural performance in the elderly. One hundred ambulatory and independent volunteers (aged 62-96) were subjected to five types of balance tests: (a) spontaneous postural sway, (b) induced anterior-posterior sway, (c) induced medial-lateral sway, (d) one-leg(More)
We evaluate the low dose rate sensitivity in several families of discrete bipolar transistors across device parameter, quality assurance level, and irradiation bias configuration. The 2N2222 showed the most significant low dose rate sensitivity, with low dose rate enhancement factor of ×3.91 after 100 krad(Si). The 2N2907 also showed critical(More)
Andrew Topper is president of Foresite Systems and consults on CASE tool evaluation, selection, implementation and structured methodologies for organizations around the world. Mr. Topper teaches a two-day seminar on Evaluating CASE tools, has written on the subject of CASE and software development for major computer magazines including Embedded Systems(More)
  • 1