نتایج جستجو برای: self tuning filter

تعداد نتایج: 690412  

2017
Alexandru Popovici San Jose Peter M. T. Zaal Daan M. Pool

A Dual Extended Kalman Filter was implemented for the identification of time-varying human manual control behavior. Two filters that run concurrently were used, a state filter that estimates the equalization dynamics, and a parameter filter that estimates the neuromuscular parameters and time delay. Time-varying parameters were modeled as a random walk. The filter successfully estimated time-va...

2009
Hengky Chandrahalim Sunil A. Bhave Roger Kaul

This letter reports on the performances of a frequency-tunable lead-zirconate-titanate-transduced fully differential mechanically coupled high-overtone width-extensional filter. The demonstrated electric field tuning provides channel agility and bandwidth adjustability for the incorporation of analog spectral processors in modern radio receiver architectures. We designed and experimentally char...

2002
Thomas J. Hacker Brian D. Athey Jason Sommerfield

A major source of performance degradation in highperformance distributed applications has been attributed to poor end-to-end TCP performance. The root causes of poor TCP performance are difficult to isolate and diagnose, and the efficacy of tuning efforts are often difficult to gauge. This paper describes some sources of poor TCP performance, and describes a method to diagnose some of these pro...

2017
Thomas Dall Larsen Nils A. Andersen Ole Ravn

In many practical Kalman filter applications, the quantity of most significance for the estimation e m r w the process noise matrix. When filters are stabilized or performance is sought improved, tuning of this matrix is the most common method. This tuning process cannot be done before the filter is implemented, OS it is primarily made necessary by modelling errors. In this paper two different ...

2011
Qiujing Zhang Chunhua Wang Jingru Sun Sichun Du

This paper introduces a new type of CMOS-based current conveyor: current controlled fully balanced second generation current conveyor (CFBCCII) element which has a pair of differential Y terminals, a pair of differential X terminals and two pairs of Z terminals. The proposed circuit offers electronic tuning possibilities by means of a current adjustable intrinsic resistance at its X terminal. A...

2002
Klaus Marquardt

Project Solutions. Increasing responsiveness is often dealt against decreasing another valuable resource. As responsiveness is a quality, the most significant resources in a software project to trade off are scope, cost, time, and other quality aspects. In a lot of systems, namely “embedded systems”, software is an integral part, but only one part of the system. Here trade-offs against hardware...

2008
Miguel Matos José Pereira Rui Oliveira

Recent research on managing complex computing systems has focused on the autonomic computing vision: Systems should manage themselves according to high level administrative goals [5]. As an example, system components should monitor the environment and self-tune to meet quality of service expectations, without requiring manual intervention in selecting concrete configuration options or in coordi...

2013
B. H. Ahmad N. A. Shairi

This paper presents a tunable bandstop filter design using defected ground structure (DGS) where FR4 substrate is used as a low cost solution compared to others substrate such as Teflon and Rogers RT/Duroid. Thus, the performance of the tunable DGS bandstop filter using FR4 substrate is analyzed in this paper. Besides, analytical modeling of the tunable bandstop filter is derived and discussed ...

2016
Po Hu Wenan Li Hongjian Sun

The synchronous tuning of the self-oscillating wireless power transfer (WPT) in a close-coupling condition is studied in this paper. The Hamel locus is applied to predict the self-oscillating points in the WPT system. In order to make the system operate stably at the most efficient point, which is the middle resonant point when there are middle resonant and split frequency points caused by freq...

2014
Shahzeb Siddiqui Fatemah AlZayer Saber Feki

The performance optimization of scientific applications usually requires an in-depth knowledge of the hardware and software. A performance tuning mechanism is suggested to automatically tune OpenACC parameters to adapt to the execution environment on a given system. A historic learning based methodology is suggested to prune the parameter search space for a more efficient auto-tuning process. T...

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