نتایج جستجو برای: cramer

تعداد نتایج: 1978  

Journal: :IJAHUC 2006
Juan Liu Qingfeng Huang

In distributed sensor networks, the tradeoff between application performance and resource consumption is a fundamental issue. In this paper, we analyze the tradeoff in the context of localization problems. In particular, the localization performance is characterized using the Cramer-Rao lower bound which reflects the performance limit in the family of unbiased estimators. For a variety of dista...

Journal: :IEEE Trans. Signal Processing 2009
Hussein Hijazi Laurent Ros

In this paper, we consider the Bayesian Cramer-Rao bound (BCRB) for the dynamical estimation of multi-path Rayleigh channel complex gains in data-aided (DA) and non-data-aided (NDA) OFDM systems. This bound is derived in an on-line and off-line scenarios for time-invariant and time-varying complex gains within one OFDM symbol, assuming the availability of prior information. In NDA context, wher...

Journal: :IEEE Trans. Signal Processing 1999
Joseph M. Francos Benjamin Friedlander

Amplitude Polynomial Phase Signals Joseph M. Francos and Benjamin Friedlander Abstract Phase information has fundamental importance in many two-dimensional signal processing problems. In this paper we consider two-dimensional signals with random amplitude and a continuous deterministic phase. The signal is represented by a random amplitude polynomial-phase model. A computationally e cient estim...

2003
Christina Grönwall Tomas Carlsson Fredrik Gustafsson

In this paper a tool for synthetic generation of scanning laser radar data is described and its performance is evaluated. By analyzing data from the system, we will recognize objects on ground. In the measurement system it is possible to add several design parameters, which make it possible to test an estimation scheme under different types of system design. The measurement system model include...

Journal: :IEEE Transactions on Nuclear Science 2009

Journal: :Revue française d'automatique, informatique, recherche opérationnelle. Recherche opérationnelle 1975

Journal: :International Journal of Statistics and Probability 2015

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