Reinhard Keller

1.9k total citations · 1 hit paper
24 papers, 1.1k citations indexed

About

Reinhard Keller is a scholar working on Aerospace Engineering, Astronomy and Astrophysics and Electrical and Electronic Engineering. According to data from OpenAlex, Reinhard Keller has authored 24 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Aerospace Engineering, 10 papers in Astronomy and Astrophysics and 10 papers in Electrical and Electronic Engineering. Recurrent topics in Reinhard Keller's work include Microwave Engineering and Waveguides (7 papers), Radio Astronomy Observations and Technology (6 papers) and Superconducting and THz Device Technology (4 papers). Reinhard Keller is often cited by papers focused on Microwave Engineering and Waveguides (7 papers), Radio Astronomy Observations and Technology (6 papers) and Superconducting and THz Device Technology (4 papers). Reinhard Keller collaborates with scholars based in Germany, Australia and United States. Reinhard Keller's co-authors include N. Ben Bekhti, P. M. W. Kalberla, L. Flöer, J. Kerp, B. Winkel, Daniel Lenz, H. Alyson Ford, F. J. Lockman, M. R. Calabretta and H. Nakanishi and has published in prestigious journals such as Astronomy and Astrophysics, IEEE Journal of Photovoltaics and Frequenz.

In The Last Decade

Reinhard Keller

23 papers receiving 987 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.

HI4PI: a full-sky H i survey based on EBHIS and GASS

2016 853 citations N. Ben Bekhti, L. Flöer et al. Astronomy and Astrophysics profile →

Peers

Reinhard Keller

AA

NHEP

EEE

INSTR

AMPO

E. Pfeffermann Germany

G. C. Anupama India

R. Hofmann Germany

L. Vigroux France

Makoto Inoue Japan

M. Tagger France

Dae‐Sik Moon Canada

J. Kerp Germany

J. W. Percival United States

A. A. Breeveld United Kingdom

E. Pfeffermann Germany

Reinhard Keller

612 ×0.6

AA

302 ×0.8

NHEP

65 ×0.7

EEE

54 ×1.0

INSTR

39 ×0.7

AMPO

Citations per year, relative to Reinhard Keller Reinhard Keller (= 1×) peers E. Pfeffermann

Countries citing papers authored by Reinhard Keller

Since Specialization

Citations

This map shows the geographic impact of Reinhard Keller'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 Reinhard Keller with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Reinhard Keller more than expected).

Fields of papers citing papers by Reinhard Keller

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Reinhard Keller. 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 Reinhard Keller. The network helps show where Reinhard Keller may publish in the future.

Co-authorship network of co-authors of Reinhard Keller

This figure shows the co-authorship network connecting the top 25 collaborators of Reinhard Keller. A scholar is included among the top collaborators of Reinhard Keller 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 Reinhard Keller. Reinhard Keller is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Keller, Reinhard, et al.. (2017). A Novel Fast Process for Zn(O,S) Buffer Layers, Doped With Al and B and Deposited on CIGSSe Solar Cells. IEEE Journal of Photovoltaics. 7(3). 864–869. 7 indexed citations

2.

Bekhti, N. Ben, L. Flöer, Reinhard Keller, et al.. (2016). HI4PI: a full-sky H i survey based on EBHIS and GASS. Astronomy and Astrophysics. 594. A116–A116. 853 indexed citations breakdown →

3.

Obreschkow, Danail, C. J. A. P. Martins, Alvise Raccanelli, et al.. (2015). Real time cosmology - A direct measure of the expansion rate of the Universe with the SKA. UWA Profiles and Research Repository (University of Western Australia). 27–27. 19 indexed citations

4.

Winkel, B., J. Kerp, L. Flöer, et al.. (2015). The Effelsberg-Bonn H i Survey: Milky Way gas. Astronomy and Astrophysics. 585. A41–A41. 119 indexed citations

5.

Keller, Reinhard, et al.. (2015). Software Defined Radio in Radio Astronomy; limits and application in RFI detection. 1–1. 1 indexed citations

6.

Krag, H., et al.. (2013). Validation of Revised Multibeam Estimation Algorithms with Data from TIRA/Effelsberg Bistatic Beampark Experiments. Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft). 723. 126. 1 indexed citations

7.

Wijnholds, Stefan J., G. W. Kant, Erik van der Wal, et al.. (2011). EMBRACE: First experimental Results with the Initial 10% of a 10,000 Element Phased Array Radio Telescope. 43–43. 2 indexed citations

8.

Torchinsky, S., L. Chemin, Philippe Picard, et al.. (2011). Profiling the EMBRACE tile beam using GPS satellite carriers. 42–42. 2 indexed citations

9.

Das, Kamal, A. L. Roy, Reinhard Keller, & G. Tuccari. (2009). Conversion from linear to circular polarization in FPGA. Astronomy and Astrophysics. 509. A23–A23. 2 indexed citations

10.

Jehn, R., et al.. (2009). First Results from the Multibeam Bistatic Beampark Experiments at FGAN. Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft). 672. 33. 1 indexed citations

11.

Roy, A. L., et al.. (2007). Phase correction of VLBI with water vapour radiometry. 58–58. 3 indexed citations

12.

Roy, A. L., et al.. (2004). The Water Vapour Radiometer at Effelsberg. Max Planck Institute for Plasma Physics. 265–270. 3 indexed citations

13.

Keller, Reinhard, et al.. (1995). Optimum CAD of complex rectangular and circular waveguide circuits by combination of field theory with the nodal approach. cas 22. 430–433. 3 indexed citations

14.

Keller, Reinhard, et al.. (1994). Analyse von Hohlleiterschaltungen durch Kombination von feld- und netzwerktheoretischen Verfahren. Frequenz. 48(11-12). 1 indexed citations

15.

Keller, Reinhard & F. Arndt. (1994). Rigorous CAD of Rectangular Aperture Coupled Circular Waveguide Multi Mode Filters. 1337–1342. 1 indexed citations

16.

Keller, Reinhard, et al.. (1993). Rigorous CAD of multiport coupled rectangular waveguide components. 611–614. 27 indexed citations

17.

Keller, Reinhard & F. Arndt. (1993). Rigorous modal analysis of the asymmetric rectangular iris in circular waveguides. IEEE Microwave and Guided Wave Letters. 3(6). 185–187. 14 indexed citations

18.

Keller, Reinhard, et al.. (1988). The Corrugated-Waveguide Sand-Pass Filter - A New Type of Waveguide Filter. 945–949. 7 indexed citations

19.

Keller, Reinhard, et al.. (1987). CAD of Waveguide Low-Pass Filters for Satellite Applications. mtt 23. 151–156. 21 indexed citations

20.

Gaugler, Eduard, et al.. (1981). Haben uns die Japaner überholt. 1 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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