نتایج جستجو برای: saturation velocity

تعداد نتایج: 188619  

2014
Quoc Khanh Dang Young Soo Suh

In this paper, a smoothing algorithm for compensating inertial sensor saturation is proposed. The sensor saturation happens when a sensor measures a value that is larger than its dynamic range. This can lead to a considerable accumulated error. To compensate the lost information in saturated sensor data, we propose a smoothing algorithm in which the saturation compensation is formulated as an o...

Journal: :Microelectronics Journal 2009
Ismail Saad Michael L. P. Tan Ing Hui Hii Razali Ismail Vijay K. Arora

Ohm’s law, a linear drift velocity response to the applied electric field, has been and continues to be the basis for characterizing, evaluating performance, and designing integrated circuits, but is shown not to hold its supremacy as channel lengths are being scaled down. In the high electric field, the collision-free ballistic transport is predicted, while in low electric field the transport ...

Journal: :Physical review letters 1996
Brubaker Wang Nolte Melloch

Intervalley scattering of hot electrons during high-field transport in transverse-field photorefractive quantum wells induces a nonlocal optical response in which photoinduced changes in the refractive index are spatially shifted relative to the optical stimulus, providing an avenue for optical gain. We demonstrate that the onset of the photorefractive phase shift coincides with the onset of ve...

2006
Jianhua Wu Robert L. Williams Jae Lew

We consider the problems of kinematic and dynamic constraints, with actuator saturation and wheel slippage avoidance, for motion planning of a holonomic three-wheeled omni-directional robot. That is, the motion planner must not demand more velocity and acceleration at each time instant than the robot can provide. A new coupled non-linear dynamics model is derived. The novel concepts of Velocity...

2004
Toshishige Yamada

Abstruct'lkansport properties of ungated Si/Sil --z Ge, are studied by an ensemble Monte Carlo technique. The device performance is studied with a quantum hydrodynamic equation method using the Monte Carlo results. The phonon-scatteringlimited mobility is enhanced over bulk Si, and is found to reach 23000 cm2/Vs at 77 K and 4000 cm2Ns at 300 K. The saturation velocity is increased slightly comp...

2002
V. M. Kenkre P. E. Parris

We present a possible mechanism for the saturation of the velocity of photoinjected charge carriers in pure organic crystals, the analysis having been motivated by observations in pentacene. The mechanism is based on the strong wave vector dependence of the damping coefficient appearing in the appropriate effective mass equation. Our primary goal is to explore this mechanism in general terms ra...

2004
F. Cheung

Dust clusters, consisted of one up to twelve particles arranged in a horizontal plane, were formed in an inductively coupled rf plasma. When an axial magnetic field was applied to the dust clusters, the clusters rotate collectively in the left-handed direction with respect to the field. It was observed in our cluster rotation that, for single ring cluster, the angular velocity of the rotation i...

2000
Werner Vogels David Follett Jenwei Hsieh David Lifka David Stern

In a multi-user production cluster there is no control over the intra-cluster communication patterns, which can cause unanticipated hot spots to occur in the cluster interconnect. In a multistage interconnect a common side effect of such a hot-spot is the roll-over of the saturation to other areas in the interconnect that were otherwise not in the direct path of the primary congested element. T...

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