Stretching before performance is a common practice among athletes in hopes of increasing performance and reducing the risk of injury. However, cumulative results indicate a negative impact of static stretching and proprioceptive neuromuscular facilitation (PNF) on performance; thus, there is a need for evaluating other stretching strategies for effective warm-up. The purpose of this study was t...

one of the main concerns of processing algorithms used in synthetic aperture radar (sar) with a ballistic motion is the compensation of all phase errors in the data received from the target to achieve a clear picture of the target. in this article, by using range doppler algorithm and phase-gradient auto focus algorithm, imagery in one sar with a ballistic motion is considered according to the ...

The crosslinks of carbon nanotubes (CNT) film has been demonstrated to owing the ability reinforce quasi-static mechanical properties. But it is unclear whether improve ballistic impact resistance CNT film. Here, we investigated with by combining micro-ballistic experiments coarse-grained molecular dynamics (CGMD) simulations. quantitatively characterized in terms specific penetration energy. M...

With a brief introduction to ballistic phenomenon, the theory, fabrication, working and plausible applications of some ballistic devices are presented. Index – Heterostructure semiconductor, 2DEG, Electron Mobility, Mesoscopic Structure, Ballistic Transport, Ballistic Devices

Military personnel use protective armor systems that are frequently exposed to low-level damage, such as non-ballistic impact, wear-and-tear from everyday use, and damage during storage of equipment. The extent which pre-damage could affect the performance an system is unknown. In this work, has been introduced into a Kevlar/phenolic resin-starved composite panel using tensile loading. stress–s...

n the Air Defense Systems Department, systems engineering is a way of thinking. More than a “process,” the systems perspective drives our approach to solving emerging air and missile defense problems as the threat becomes more advanced and the tactical environment more complex. This perspective and the requisite tools have evolved with the increasing complexity of those systems. In this article...