Open Access. Powered by Scholars. Published by Universities.®
- Keyword
-
- Method (2)
- System (2)
- 3D (1)
- Artificial Quasicrystals (1)
- Audio (1)
-
- Biometrics (1)
- CO2 mitigation (1)
- Cache coherence protocol (1)
- Chlorella (1)
- Controlled Magnetic Reversal (1)
- Energy-efficient (1)
- Ferromagnetic thin films (1)
- Growth media (1)
- Illumination (1)
- Imaging (1)
- Light (1)
- Mobile sensor network (1)
- Parameter estimation (1)
- Permalloy Films (1)
- Probability-based energy model (1)
- Real-time scheduling (1)
- Scenedesmus (1)
- Spatial (1)
- Speakers (1)
- Structured (1)
- Three-dimensional (1)
- Urea (1)
- Visual sound source (1)
- Wsn (1)
Articles 1 - 6 of 6
Full-Text Articles in Engineering
Controlled Magnetic Reversal In Permalloy Films Patterned Into Artificial Quasicrystals, Vinayak Shantaram Bhat, J. Sklenar, B. Farmer, J. Woods, Jeffrey Todd Hastings, S. J. Lee, J. B. Ketterson, Lance E. De Long
Controlled Magnetic Reversal In Permalloy Films Patterned Into Artificial Quasicrystals, Vinayak Shantaram Bhat, J. Sklenar, B. Farmer, J. Woods, Jeffrey Todd Hastings, S. J. Lee, J. B. Ketterson, Lance E. De Long
Physics and Astronomy Faculty Publications
We have patterned novel Permalloy thin films with quasicrystalline Penrose P2 tilings and measured their dc magnetization and ferromagnetic resonance absorption. Reproducible anomalies in the hysteretic, low-field data signal a series of abrupt transitions between ordered magnetization textures, culminating in a smooth evolution into a saturated state. Micromagnetic simulations compare well to experimental dc hysteresis loops and ferromagnetic resonance spectra and indicate that systematic control of magnetic reversal and domain wall motion can be achieved via tiling design, offering a new paradigm of magnonic quasicrystals.
Influence Of Media Composition On The Growth Rate Of Chlorella Vulgaris And Scenedesmus Acutus Utilized For Co2 Mitigation, Czarena L. Crofcheck, Xinyi E, Aubrey Shea, Michael D. Montross, Mark Crocker, Rodney Andrews
Influence Of Media Composition On The Growth Rate Of Chlorella Vulgaris And Scenedesmus Acutus Utilized For Co2 Mitigation, Czarena L. Crofcheck, Xinyi E, Aubrey Shea, Michael D. Montross, Mark Crocker, Rodney Andrews
Biosystems and Agricultural Engineering Faculty Publications
Atmospheric carbon dioxide levels have increased since the industrial revolution due to increasing combustion of fossil fuels. One possible CO2 mitigation strategy is the use of microalgae for mitigation of CO2. This paper focuses on the influence of media composition on the growth rate of two microalgae strains, Chlorella vulgaris and Scenedesmus actus. A KNO3 based medium was found to work better for Chlorella, while a urea based equivalent worked better for Scenedesmus. The urea based media investigated here resulted in growth similar to that found with previously reported KNO3 based media. …
Energy-Efficient Soft Real-Time Scheduling For Parameter Estimation In Wsns, Senlin Zhang, Zixiang Wang, Meikang Qiu, Meiqin Liu
Energy-Efficient Soft Real-Time Scheduling For Parameter Estimation In Wsns, Senlin Zhang, Zixiang Wang, Meikang Qiu, Meiqin Liu
Electrical and Computer Engineering Faculty Publications
In wireless sensor networks (WSNs), homogeneous or heterogenous sensor nodes are deployed at a certain area to monitor our curious target. The sensor nodes report their observations to the base station (BS), and the BS should implement the parameter estimation with sensors’ data. Best linear unbiased estimation (BLUE) is a common estimator in the parameter estimation. Due to the end-to-end packet delay, it takes some time for the BS to receive sufficient data for the estimation. In some soft real-time applications, we expect that the estimation can be completed before the deadline with a probability. The existing approaches usually guarantee …
An Probability-Based Energy Model On Cache Coherence Protocol With Mobile Sensor Network, Jihe Wang, Bing Guo, Meikang Qiu
An Probability-Based Energy Model On Cache Coherence Protocol With Mobile Sensor Network, Jihe Wang, Bing Guo, Meikang Qiu
Electrical and Computer Engineering Faculty Publications
Mobile sensor networks (MSNs) are widely used in various domains to monitor, record, compute, and interact the information within an environment. To prolong the life time of each node in MSNs, energy model and conservation should be considered carefully when designing the data communication mechanism in the network. The limited battery volume and high workload on channels worsen the life times of the busy nodes. In this paper, we propose a new energy evaluating methodology of packet transmissions in MSNs, which is based on redividing network layers and describing the synchronous data flow with matrix form. We first introduce the …
Method And System For Creating Three-Dimensional Spatial Audio, Jens Hannemann, Kevin D. Donohue
Method And System For Creating Three-Dimensional Spatial Audio, Jens Hannemann, Kevin D. Donohue
Electrical and Computer Engineering Faculty Patents
A system and method for rendering a virtual sound source using a plurality of speakers in an arbitrary arrangement includes expanding a wave field of the virtual sound source and a composite wave field generated by the plurality of speakers into multi-pole expansions, and equating the multi-pole expansions to each other to form a continuous equation. A set of constraints is applied to the continuous equation that minimize an error in a sweet spot region resulting in a linear system of equations. The linear system of equations is solved using singular-value decomposition to arrive at a pseudo-inverse representing a multi-dimensional …
System And Method For 3d Imaging Using Structured Light Illumination, Laurence G. Hassebrook, Daniel L. Lau, Henry G. Dietz
System And Method For 3d Imaging Using Structured Light Illumination, Laurence G. Hassebrook, Daniel L. Lau, Henry G. Dietz
Electrical and Computer Engineering Faculty Patents
A biometrics system captures and processes a handprint image using a structured light illumination to create a 2D representation equivalent of a rolled inked handprint. A processing unit calculates 3D coordinates of the hand from the plurality of images and maps the 3D coordinates to a 2D flat surface to create a 2D representation equivalent of a rolled inked handprint.