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Filtering by: Date issued sim 2011-06-09 Resource Type Dissertation

Detecting medusahead (Taeniatherum caput-medusae (L.) Nevski) using high frequency, sequential, globally positioned digital images

Creator:

Ndzeidze, Stephen Koghan

Abstract:

Invasive plant species are expanding and transforming vegetative communities across Oregon and throughout the United States. Over the past three decades remote sensing, geographic information system (GIS), and Global Positioning System (GPS) technologies have been integrated to detect and map the distribution of noxious rangeland plants. This study developed low-cost...

Resource Type:

Dissertation
Variable sampling compensation of networked control systems with delays using neural networks

Creator:

Lopez-Echevarria, Daniel

Abstract:

In networked control systems (NCS) information or packets usually flow from a sensor or a set of sensors to a remotely located controller. Then the controller processes the received information and sends a series of control commands to the actuators through a communication network which could be either wireless or...

Resource Type:

Dissertation
Cryptogam communities in forest and steppe ecosystems of Oregon, USA

Creator:

Root, Heather T.

Abstract:

I focus on addressing knowledge gaps relating to management of cryptogams in Oregon's public lands in Pseudotsuga menziesii-Tsuga heterophylla forests on the west side of the Cascade Range and dryland steppe in the Cascade Range's rainshadow. While a great deal of research has illustrated the importance of late-successional forests for...

Resource Type:

Dissertation