نتایج جستجو برای: cramer
تعداد نتایج: 1978 فیلتر نتایج به سال:
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...
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...
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...
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...
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