Grid cells on the ball

F Stella, B Si, E Kropff, A Treves - Journal of Statistical …, 2013 - iopscience.iop.org
… What sort of grid cells do we expect to see in rodents who have spent their … ball, with virtual
reality simulating a coherently revolving surround? We consider a simple model of grid firing …

Sports ball aerodynamics: a numerical study of the erratic motion of soccer balls

S Barber, SB Chin, MJ Carré - Computers & Fluids, 2009 - Elsevier
Cell aspect ratio. Cell aspect ratio is another measure of grid quality, and a general rule-of-thumb
specified in the FLUENT user guide is to keep the aspect ratio of all the cells in the grid

Single-layer fanout routing and routability analysis for ball grid arrays

MF Yu, WWM Dai - Proceedings of IEEE International …, 1995 - ieeexplore.ieee.org
… We define a grid cell gi to be the area bounded by the pins TI, tip+^, next(n1) and next(nf+l). …
the grid cell gf be Lf and Ri respectively. If the number of pins connected to a wire in the cell

Computational analysis of separated flow around a golf ball using unstructured grid CFD

T Kato, T Fujita, Y Ito, K Nakahashi… - 15th AIAA Computational …, 2001 - arc.aiaa.org
… The gradients associated with the control volume centroids are volume-averaged gradients
computed using the value in the surrounding grid cells. A limiter, ¥, is used to make the …

Simulation modeling of a thrown ball bouncing nonlinearly across a grid of cups

JA Howe - Applied Mathematics and Computation, 2015 - Elsevier
… In the top right cell, we see that when the ball is undergoing top-spin, but is spinning slower
than it is traveling linearly, the bounce will result in a slower linear trajectory with a faster spin…

Place cells, grid cells, attractors, and remapping

KJ Jeffery - Neural plasticity, 2011 - Wiley Online Library
… [22] who found that partial presentation of a set of environmental cues (analogous to
placing a ball at the edge rather than the centre of an attractor basin) triggered spontaneous …

Reference-free path-walking method for ball grid array inspection in surface mounting machines

W Jin, W Lin, X Yang, H Gao - IEEE Transactions on Industrial …, 2017 - ieeexplore.ieee.org
… In this section, an efficient and robust path-walking method to recognize position of the ball
in the grid is proposed. The method consists of two procedures: 1) modified Hough transform …

Thermal analysis of a flip chip ceramic ball grid array (CBGA) package

R Kandasamy, AS Mujumdar - Microelectronics Reliability, 2008 - Elsevier
… Therefore, in this work numerical calculations were performed using reasonable localized
grid cells approximately using 150,000–500,000 cumulative grid cells as a compromise …

Measuring football players' on-the-ball contributions from passes during games

L Bransen, J Van Haaren - Machine Learning and Data Mining for Sports …, 2019 - Springer
grid of cells, where each cell is 15 m long and 17 m wide. Hence, a default pitch of 105 m long
and 68 m wide yields a 7-by-4 gridgrid cells of 15 by 17 m, and clustering with grid cells of …

The deep learning development for real-time ball and goal detection of barelang-FC

E Rudiawan, R Analia, PD Sutopo… - … and Applications (IES …, 2017 - ieeexplore.ieee.org
… named as “ball” and “goal” classes. Each grid cell containing the object will have the conditional
probabilities. This method only predicts one set of class probabilities per grid cell or the …