3,430 research outputs found
Robust semantic analysis for adaptive speech interfaces
The DUMAS project develops speech-based applications that are adaptable to different users and domains. The paper describes the project's robust semantic analysis strategy, used both in the generic framework for the development of multilingual speech-based dialogue systems which is the main project goal, and in the initial test application, a mobile phone-based e-mail interface
Multi-session group scenarios for speech interface design
When developing adaptive speech-based multilingual interaction systems, we need representative data on the user's behaviour. In this paper we focus on a data collection method pertaining to adaptation in the user's interaction with the system. We describe a multi-session group scenario for Wizard of Oz studies with two novel features: firstly, instead of doing solo sessions with a static mailbox, our test users communicated with each other in a group of six, and secondly, the communication took place over several sessions in a period of five to eight days. The paper discusses our data collection studies using the method, concentrating on the usefulness of the method in terms of naturalness of the interaction and long-term developments
A Millimeter Wave MIMO Testbed for 5G Communications
This paper presents a 2 x 2 millimeter wave (mm-wave)
multiple-input-multiple-output (MIMO) testbed that operates at around 30 GHz.
The link assessment of the system operating at 26.25 GHz was carried out on a
test bench, with a short communication distance between the transmitting and
receiving antennas. A user-programmable, reconfigurable and real-time signal
processing field-programmable gate arrays (FPGAs)-based software defined radio
(SDR) system was employed as part of the testbed to validate the system-level
performance for a downlink time division long-term evolution (TD-LTE) duplex
scheme. Constellation diagram for quadrature phase shift keying (QPSK) digital
modulation were acquired while the testbed was operating at 30 GHz. The testbed
could be employed for the development of signal test, communication algorithm
and measurement metrology for 5G communications.Comment: 89th ARFTG Microwave Measurement Conference (ARFTG 2017
Fair Labor Association 2007 Annual Report
Assesses the progress made by companies in the move towards sustainable corporate responsibility in their labor standards. Breaks up data by company
An Evaluation of Distortion and Interference Sources originating Within a Millimeter-wave MIMO Testbed for 5G Communications
This paper presents an evaluation of distortion and interference sources,
namely, the harmonic distortion and antenna crosstalk, originating within a 2 x
2 millimeter-wave (mm-wave) multiple-input-multiple-output (MIMO) testbed. The
experience gained through the insight into the built testbed could be fed into
the design of future mm-wave massive MIMO testbeds.Comment: 2nd URSI Atlantic Radio Science Meeting (URSI AT-RASC 2018
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North Campus Open Space Restoration Project Restoration Plan
This Restoration Plan is the result of a collaborative effort between UCSB’s Cheadle Center for Biological Diversity and Ecological Restoration (CCBER) and a team of consultants lead by Environmental Science Associates (ESA). ESA conducted studies and prepared the design and construction documents for the earthwork to restore the landform of the project site to conditions suitable to support estuarine and transitional habitats, and to restore the South Parcel mesa to topography similar to its historic form. True Nature Design led the design of public access elements and designed the recycled water irrigation system to provide establishment irrigation to the restored native plant communities. Stantec provided civil engineering designs for the structural components of the project public access elements (crossing structures and finished trail surfaces). CCBER designed the plan for the matrix of aquatic, wetland, and upland habitats to be restored to the site, including species selection; planting methods; and habitat features to benefit wildlife. CCBER also lead the development of the maintenance and monitoring methods and adaptive management strategy.The intent of this Restoration Plan is to describe the methodology for post grading restoration, enhancement, monitoring, and management of native habitats within the North Campus Open Space (NCOS) Restoration Project
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North Campus Open Space Restoration Project As-Built Grading and Hydrology Report
This report describes the as-built geomorphology and hydrology of the North Campus Open Space (NCOS) restoration project at the completion of the grading phase of the project. Topics covered include: a comparison of the predicted and as-built grading elevations, as-built cross-sections and thalwegs of the two main channels, and a comparison of the hydrology of the project site before and after the completion of the grading phase. A selection of photos of the project site taken before and after the completion of grading are provided at the end of the report. Ongoing project work not covered in this report includes: trail and bridge construction, planting and site maintenance, and the planned construction of a visitor interpretative plaza and maintenance equipment shed
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North Campus Open Space Restoration Project Annual Monitoring Report: Year 2 (2019)
Born out of a vision shared by the local community, students, faculty, researchers and state and federal agencies, the North Campus Open Space (NCOS) restoration project is recreating more than 40 acres of estuarine and palustrine wetlands that historically comprised the upper portion of Devereux Slough that was filled in the mid-1960s to create the Ocean Meadows golf course. Led by the UC Santa Barbara Cheadle Center for Biodiversity and Ecological Restoration (CCBER) in collaboration with other UCSB departments, faculty, student and local community groups, contractors and government agencies, the project is also restoring more than 60 acres of upland habitats that include native grassland, coastal sage scrub, riparian, oak chaparral woodland, vernal pools and patches of annual wildflowers in clay and sandy soils. In addition to wetland and upland habitat restoration, the goals of the NCOS project include flood reduction, support for threatened and endangered species, public access and the provision of educational opportunities. Ancillary benefits of the project include carbon sequestration, preservation of local genotypes, and protection of adjacent ecological values and infrastructure through a design that integrates sea level rise considerations.Currently in its third year of implementation, the main planting phase of the project is approximately 90% complete, and the focus is now turning towards maintenance, continued monitoring, new research projects, and supplemental planting to add diversity, including special status species such as the Ventura marsh milk-vetch (Astragalus pycnostachys var. lanosissimus). This report describes the methods and results of monitoring for the first two years of the project, from vegetation and wildlife to wetland geomorphology, hydrology and water quality, carbon sequestration studies, community use and a detailed record of restoration efforts by type of worker, task and site location. This work documents the progress of the project and supports longer-term research and monitoring programs. Results from the second year of monitoring show substantial progress towards the project’s restoration goals, with many being met or exceeded
Millimeter-Wave Over-the-Air Signal-to-Interference-plus-Noise-Ratio Measurements Using a MIMO Testbed
In this paper, over-the-air experiments with external and internal
interferences were performed using Chalmers millimeter-wave
multiple-input-multiple-output testbed MATE. The resulting SINR for both
interference experiments are compared and discussed.Comment: 2nd URSI Atlantic Radio Science Meeting (URSI AT-RASC 2018
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