A New Smoothness Tester

A New Grain Hardness Tester

.\ hardness tester, especially adapted for grain, was cor~structecl by modifying a commercial portable soft metal tester known as the Barcol Impressor. h preloaded stylus is forced into grain sections preparetl by rneans ot a microtome. The displacement of the stylus, nleasured by a dial micrometer, is used as a hardness index. This has been related to tlie l'ickers tlianlontl pyramid hardness ...

New Moduli of Smoothness

We discuss various properties of the new modulus of smoothness ω k,r (f, t)p := sup 0<h6t ‖W kh(·)∆khφ(·)(f , ·)‖Lp [−1,1], where φ(x) := √ 1− x2 and Wδ(x) = ( (1−x−δφ(x)/2)(1+x−δφ(x)/2) )1/2 . Related moduli with more general weights are also considered.

A blind spot tester.

A General Trajectory Tester

Introduction While the vast majority of clinical MRI sequences utilize Cartesian sampling strategies, in a growing number of applications nonCartesian schemes are being employed for a variety of technical reasons. For example, our own motivation is diffusion tensor imaging (DTI) wherein we use spiral trajectories [1], in part because they facilitate efficient self-navigation schemes for artifac...

tm: A Stress Tester

tm is a program designed to test systems by simulating over-exaggerated use. The program can be used to check the accuracy of shared resources of a system or determine if a system will fail under intensive use. The simulation of users is done by threads running scripts. The configuration of tm and a description of the scripting language is included. A real test using tm is described and the res...