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VOLATILITY CLUSTERING USING A HETEROGENEOUS AGENT-BASED MODELARREY-MBI, PASCAL EBOT January 2011 (has links)
Volatility clustering is a stylized fact common in nance. Large changes in prices tend to cluster whereas small changes behave likewise. The higher the volatility of a market, the more risky it is said to be and vice versa . Below, we study volatility clustering using an agent-based model. This model looks at the reaction of agents as a result of the variation of asset prices. This is due to the irregular switching of agents between fundamentalist and chartist behaviors generating a time varying volatility. Switching depends on the performances of the various strategies. The expectations of the excess returns of the agents (fundamentalists and chartists) are heterogenous.
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Flexible Switching for Flight Test NetworksCollins, Diarmuid 10 1900 (has links)
ITC/USA 2015 Conference Proceedings / The Fifty-First Annual International Telemetering Conference and Technical Exhibition / October 26-29, 2015 / Bally's Hotel & Convention Center, Las Vegas, NV / The network switch is a critical element in the flight test network. All devices in the network are configured, synchronised and managed via the switch. In addition to this all acquired data is routed through the switch. For these reasons, the flight test network switch has always needed to be rugged and reliable with high throughput and simple intuitive setup. Ethernet technology and the move towards open standards within FTI systems have enabled flight test networks to become increasingly flexible and heterogeneous. Modern FTI networks may have different synchronisation and data transmission protocols running simultaneously. It is also important to quickly switch network configurations for different flight profiles and to enable new features to be easily added to existing installations. This paper examines the increasing network interoperability and flexibility challenges and discusses how the network switch is best placed to provide solutions.
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The forming process in amorphous silicon memory devicesChoi, Wee Kiong January 1986 (has links)
No description available.
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Path Panels vs. Digital Switching MatricesGilorma, Mike 10 1900 (has links)
ITC/USA 2011 Conference Proceedings / The Forty-Seventh Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2011 / Bally's Las Vegas, Las Vegas, Nevada / Patch panels are still frequently used in telemetry installations as a means for routing signals during and in between missions. These patch panels have been used for decades and have many benefits operationally speaking. Digital switching matrices on the other hand, while very popular in the broadcasting and music industries, are not being fully utilized in the telemetry world. Digital switches offer many of the same benefits of patch panels along with an abundance of added features including signal conversion and distribution. This paper describes the benefits of migrating from patch panels to digital switching matrices. It will discuss both the pros and cons of each technology as well as look at the short term and long term cost implications of each. This paper will also discuss return on investment and operational improvements that can be gained from utilizing digital switching matrices in place of patch panels.
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A study of drive schemes for synchronous rectifiers in switching powersupplies謝雪飛, Xie, Xuefei. January 2002 (has links)
published_or_final_version / Electrical and Electronic Engineering / Doctoral / Doctor of Philosophy
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Feedback-based two stage switch architecture for high speed router designHu, Bing, 胡冰 January 2009 (has links)
published_or_final_version / Electrical and Electronic Engineering / Doctoral / Doctor of Philosophy
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Fast packet switching for integrated servicesNewman, P. January 1988 (has links)
As the communications industry continues to expand, two current trends are becoming apparent: the desire to support an increasing diversity of communications services, (voice, video, image, text, etc.), and the consequent requirement for increased network capacity to handle the expected growth in such multi-service traffic. This dissertation describes the design, performance and implementation of a high capacity switch which uses fast packet switching to offer the integrated support of mulit-service traffic. Applications for this switch are considered within the public network, in the emerging metropolitan area network and within local area networks. The Cambridge Fast Packet Switch is based upon a non-buffered, multi-path switch fabric with packet buffers situated at the input ports of the switch. This results in a very simple implementation suitable for construction in current gate array technology. A simulation study of the throughput at saturation of the switch is first presented to select the most appropriate switch parameters. Then follows an investigation of the switch performance for multi-service traffic. It is shown, for example, that for an implementation in current CMOS technology, operating at 50 MHz, switches with a total traffic capacity of up to 150 Gbit/sec may be constructed. Furthermore, if the high priority traffic load is limited on each input port to a maximum of 80% of switch port saturation, then a maximum delay across the switch of the order of 100 μsecs may be guaranteed, for 90% of the high priority traffic, regardless of the lower priority traffic load. An investigation of the implementation of the switch by the construction of the two fundamental components of the design in 3 μm HCMOS gate arrays is presented and close agreement is demonstrated between the performance of the hardware implementation and the simulation model. It is concluded that the most likely area of application of this design is as a high capacity multi-service local area network or in the interconnection of such networks.
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Congestion control for unreserved traffic in ATM networksKelley, Simon Richard January 1993 (has links)
No description available.
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Physical layer modelling of optical telecommunications architecuturesGilfedder, Timothy Hugh January 1998 (has links)
No description available.
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The nonlinear optical properties of conjugated molecular materialsQureshi, Faisal January 1997 (has links)
No description available.
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