Ralph E. Hudson

2.5k total citations · 1 hit paper
63 papers, 1.8k citations indexed

About

Ralph E. Hudson is a scholar working on Signal Processing, Electrical and Electronic Engineering and Computational Mechanics. According to data from OpenAlex, Ralph E. Hudson has authored 63 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 47 papers in Signal Processing, 29 papers in Electrical and Electronic Engineering and 12 papers in Computational Mechanics. Recurrent topics in Ralph E. Hudson's work include Speech and Audio Processing (44 papers), Indoor and Outdoor Localization Technologies (23 papers) and Direction-of-Arrival Estimation Techniques (21 papers). Ralph E. Hudson is often cited by papers focused on Speech and Audio Processing (44 papers), Indoor and Outdoor Localization Technologies (23 papers) and Direction-of-Arrival Estimation Techniques (21 papers). Ralph E. Hudson collaborates with scholars based in United States, United Kingdom and China. Ralph E. Hudson's co-authors include Kung Yao, F. Lorenzelli, C.W. Reed, Chiao-En Chen, Ertuǧrul Taciroğlu, K. Yao, Shadnaz Asgari, Charles Taylor, Deborah Estrin and D. Maniezzo and has published in prestigious journals such as Nucleic Acids Research, Proceedings of the IEEE and IEEE Transactions on Signal Processing.

In The Last Decade

Ralph E. Hudson

60 papers receiving 1.7k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Maximum-likelihood source localization and unknown sensor location estimation for wideband signals in the near-field

2002 376 citations Ralph E. Hudson, Kung Yao et al. IEEE Transactions on Signal Processing profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Ralph E. Hudson United States	18	1.0k	929	460	266	221	63	1.8k
Haijian Zhang China	22	383 0.4×	354 0.4×	166 0.4×	159 0.6×	197 0.9×	86	1.5k
Shefeng Yan China	23	422 0.4×	955 1.0×	119 0.3×	115 0.4×	390 1.8×	118	1.6k
Defeng Huang Australia	22	1.2k 1.2×	293 0.3×	765 1.7×	173 0.7×	138 0.6×	124	1.8k
Xiaohong Shen China	21	729 0.7×	176 0.2×	380 0.8×	196 0.7×	46 0.2×	193	1.5k
Emanuele Grossi Italy	21	594 0.6×	159 0.2×	318 0.7×	474 1.8×	142 0.6×	98	1.6k
Fabio Antonacci Italy	24	483 0.5×	1.7k 1.9×	48 0.1×	360 1.4×	460 2.1×	183	2.3k
Murat Torlak United States	20	1.2k 1.2×	324 0.3×	584 1.3×	118 0.4×	183 0.8×	118	2.2k
Zhongfu Ye China	22	357 0.4×	1.1k 1.2×	63 0.1×	171 0.6×	237 1.1×	135	1.7k
Luzhou Xu United States	25	445 0.4×	968 1.0×	146 0.3×	134 0.5×	297 1.3×	72	2.8k
Wei Cui China	19	426 0.4×	735 0.8×	57 0.1×	83 0.3×	264 1.2×	127	1.5k

Countries citing papers authored by Ralph E. Hudson

Since Specialization

Citations

This map shows the geographic impact of Ralph E. Hudson's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ralph E. Hudson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ralph E. Hudson more than expected).

Fields of papers citing papers by Ralph E. Hudson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ralph E. Hudson. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ralph E. Hudson. The network helps show where Ralph E. Hudson may publish in the future.

Co-authorship network of co-authors of Ralph E. Hudson

This figure shows the co-authorship network connecting the top 25 collaborators of Ralph E. Hudson. A scholar is included among the top collaborators of Ralph E. Hudson based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ralph E. Hudson. Ralph E. Hudson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Hudson, Ralph E., et al.. (2017). An enhanced rheometer inertia correction procedure (ERIC) for the study of gelling systems using combined motor-transducer rheometers. Physics of Fluids. 29(12). 19 indexed citations

Yu, Kai, Ralph E. Hudson, Yimin D. Zhang, et al.. (2016). Low-Complexity 2D Direction-of-Arrival Estimation for Acoustic Sensor Arrays. IEEE Signal Processing Letters. 23(12). 1791–1795. 16 indexed citations

Asgari, Shadnaz, et al.. (2014). Moving source localization using seismic signal processing. Journal of Sound and Vibration. 335. 384–396. 16 indexed citations

Hudson, Ralph E., et al.. (2013). Change point detection methodology used for segmenting bird songs. 206–209. 5 indexed citations

Hudson, Ralph E., et al.. (2012). Energy-based cooperative spectrum sensing for emergency communications over fading channels in Cognitive Radio public safety networks. 1. 1345–1350. 2 indexed citations

Ali, Andreas M., Ralph E. Hudson, & Kung Yao. (2009). Tracking of random number of targets with random number of sensors using Random Finite Set Theory. 2217–2220. 2 indexed citations

Chen, Chiao-En, F. Lorenzelli, Ralph E. Hudson, & Kung Yao. (2008). Stochastic Maximum-Likelihood DOA Estimation in the Presence of Unknown Nonuniform Noise. IEEE Transactions on Signal Processing. 56(7). 3038–3044. 113 indexed citations

Ali, Andreas M., Shadnaz Asgari, Travis C. Collier, et al.. (2008). An Empirical Study of Collaborative Acoustic Source Localization. Journal of Signal Processing Systems. 57(3). 415–436. 52 indexed citations

Chen, Chiao-En, F. Lorenzelli, Ralph E. Hudson, & K. Yao. (2007). Acoustic Source DOA Estimation using the Cross-Entropy Method. II–1057. 2 indexed citations

10.

Asgari, Shadnaz, Chiao-En Chen, Andreas M. Ali, et al.. (2005). Collection and processing of acoustic and seismic array data for source localization. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 5910. 59100A–59100A. 2 indexed citations

11.

Hudson, Ralph E.. (2003). Transcription increases multiple spontaneous point mutations in Salmonella enterica. Nucleic Acids Research. 31(15). 4517–4522. 36 indexed citations

12.

Maniezzo, D., et al.. (2002). A Wireless Time-Synchronized COTS Sensor Platform, Part II: Applications to Beamforming. Center for Embedded Network Sensing. 35 indexed citations

13.

Yao, Kung, et al.. (2002). Channel estimation and adaptive power allocation for performance and capacity improvement of multiple-antenna OFDM systems. 82–85. 48 indexed citations

14.

Hudson, Ralph E., et al.. (2002). Cramer-Rao bound analysis of wideband source localization and DOA estimation. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 4791. 304–304. 10 indexed citations

15.

Yao, Kung, et al.. (2002). Maximum-likelihood acoustic source localization: Experimental results. IEEE International Conference on Acoustics Speech and Signal Processing. III–2949. 24 indexed citations

16.

Yao, K., et al.. (2002). A novel DSP system for microphone array applications. 2. 201–204. 1 indexed citations

17.

Hudson, Ralph E., et al.. (2002). Calibration, optimization, and DSP implementation of microphone array for speech processing. 221–230. 1 indexed citations

18.

Yao, Kung, et al.. (1998). Blind beamforming on a randomly distributed sensor array system. IEEE Journal on Selected Areas in Communications. 16(8). 1555–1567. 193 indexed citations

19.

Yao, Kung, et al.. (1998). Space-time beamforming for randomly distributed sensors. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 3461. 257–257. 6 indexed citations

20.

Lorenzelli, F., et al.. (1995). <title>Optimization and performance of broadband microphone arrays</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 2563. 158–169. 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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