Results 271 to 280 of about 3,164,796 (323)
Some of the next articles are maybe not open access.
Evolutionary conservation and mutational spectrum of BMPR2 gene
Gene, 2006A variety of mutations in the bone morphogenetic protein receptor type 2 (BMPR2) have been identified in patients with pulmonary arterial hypertension. In this study, using our BMPR2 mutation database and BMPR-II protein sequences from eight distantly related species, we defined the relationship among evolutionary conservation, mutation frequency and ...
Wai K P, Wong +2 more
openaire +2 more sources
2018 IEEE/CIC International Conference on Communications in China (ICCC), 2018
With the rapid development of wireless communication technology, the low utilization of spectrum resources and the high demand for spectrum have always been an urgent and paradoxical problem to be resolved.
Peitong Yang +6 more
semanticscholar +1 more source
With the rapid development of wireless communication technology, the low utilization of spectrum resources and the high demand for spectrum have always been an urgent and paradoxical problem to be resolved.
Peitong Yang +6 more
semanticscholar +1 more source
Chemical Reviews, 2022
Light-emitting diodes (LEDs) are attracting considerable attention around the world. Phosphor materials, as crucial color-converted components, play central roles in LED development.
Mu‐Huai Fang +3 more
semanticscholar +1 more source
Light-emitting diodes (LEDs) are attracting considerable attention around the world. Phosphor materials, as crucial color-converted components, play central roles in LED development.
Mu‐Huai Fang +3 more
semanticscholar +1 more source
[Evolutionary psychiatry applied to autism spectrum disorder].
Tijdschrift voor psychiatrie, 2023Considering an evolutionary perspective, psychiatric conditions present us with a paradox. How can the high prevalence of those conditions be explained, given the importance of genetic factors in many of them? Evolutionary principles predict that traits with an adverse effect on reproduction undergo negative selection.To try to formulate an answer to ...
K, Hendrickx +2 more
openaire +1 more source
Evolutionary spectrum estimation by positivity constrained deconvolution
IEEE Transactions on Signal Processing, 1999We present a deconvolution technique to obtain the evolutionary spectrum (ES) of nonstationary signals by deconvolving the blurring effects of the time-frequency distribution (TFD) kernel from bilinear TFDs. The resulting spectrum is non-negative and has desirable properties such as higher resolution and higher concentration in time frequency.
M.K. Emresoy, A. El-Jaroudi
openaire +1 more source
A multidimensional approach to evolutionary spectrum estimation
Proceedings of the 32nd Midwest Symposium on Circuits and Systems, 2003Smoothing of the Wigner distribution introduces two-dimensional sequences which bring the theory of two-dimensional filter analysis and design to the one-dimensional time-varying spectrum estimation. In this study, the region of support of the two-dimensional filters associated with the commonly used periodogram, averaged periodograms, and Wigner ...
M.G. Amin, M.T. Schiavoni
openaire +1 more source
Location-oriented evolutionary games for spectrum sharing
2014 IEEE Global Communications Conference, 2014Spectrum sharing between primary users (PUs) and secondary users (SUs) can be realized using economic approaches. In this paper, we propose a method for multiple PUs to share with multiple SUs different idle channels in overlapped licensed areas. Due to the fluctuations of supply and demand in different areas, the SUs are grouped according to their ...
Feixiang Zhang, Xiangwei Zhou
openaire +1 more source
Sonar spectrum recognition chip designed by evolutionary algorithm
IJCNN'99. International Joint Conference on Neural Networks. Proceedings (Cat. No.99CH36339), 2003An evolutionary design methodology for sonar spectrum recognition chip is proposed and the prototype chip is developed. In the design, sonar spectrum data are transformed to truth-tables and the truth-tables are evolved to obtain generalization capability by using genetic algorithms.
M. Yasunaga, T. Nakamura, I. Yoshihara
openaire +1 more source
Evolutionary Search for Energy-Efficient Distributed Cooperative Spectrum Sensing
2020 International Conference on Computing, Networking and Communications (ICNC), 2020This paper concerns the energy efficiencyoptimization for distributed cooperative spectrum sensing. In the considered distributed spectrum sensing system, each sensor measures the local test statistic for the target spectrum bands and these measurements will be combined together through a weighted consensus protocol.
Jiang, He +3 more
openaire +2 more sources
Evolutionary Model for Synthetic Spectrum Compatible Accelerograms
2016This paper proposes a numerical procedure for the generation of sets of synthetic acceleration time histories that result compatible with an assigned target design spectrum. The proposed formulation is able to take into account both the energy distribution in time and the contemporary variability of the frequency content.
Fabio Carli, Claudio Carino
openaire +1 more source

