OFDM renders multipath channels with nite memory equivalent to parallel at fading subchannels, over which equalization amounts to simple phase compensation. If the channel status information is known at the transmitter side, optimal power loading across subchannels is possible. Users mobility, time and carrier asynchronism introduce variations in the equivalent channel impulse response setting ...

We propose the novel combination of a laser guide and magnetic lens to transport a cold atomic cloud. We have modelled the loading and guiding of a launched cloud of cold atoms with the optical dipole force. We discuss the optimum strategy for loading typically 30 % of the atoms from a MOT and guiding them vertically through 22 cm. However, although the atoms are tightly confined transversely, ...

To analyze the effect of lower-limb rotation on foot pressure distribution, 16 patients (23 feet) with neuromuscular diseases who received derotation osteotomy of lower limbs without concomitant foot-ankle procedures were included in this retrospective study. The cross-correlation analysis showed that the interval change of the foot progression angle was correlated with the interval change of t...

High frontal plane knee joint angular impulse has been associated with patellofemoral pain syndrome (PFPS) and knee osteoarthritis (OA) [1,2]. Interventions that reduce frontal plane knee joint loading may provide clinical benefits. Wedged insoles have widely been proposed as one form of such an intervention. It has been shown that a laterally wedged insole can effectively decrease the peak fro...

Forming sheet metals under blast loading or the explosive forming technique has many advantages for productions, but it is restricted due to its accuracy. This paper introduces a novel theoretical-empirical study metal based on simple plasticity principles. It provides method of producing cone parts loading, including an analytical model and experimental validation. Firstly, underwater explosio...

Waterborne debris impacts during inundation events are a widely observed threat to structures in coastal communities. This study investigates the probability of impact and magnitude wave–current (N = 1,170) current-only 156) on exposed sheltered buildings within 10 × building array, using laboratory measurements structural loading response, flow hydrodynamics, video recordings transport impact....