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Topic · Signal Processing

Digital Filter Design and Implementation

Digital Filter Design and Implementation is a research topic within Signal Processing. Science Explorer counts 19k research works in it since 1951. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers covers advanced techniques in digital signal processing, including FFT algorithms, filter banks, DCT approximation, FIR filter design, multiplierless algorithms, digital audio coding, software radio applications, polyphase filters, variable fractional delay filters, and the use of semidefinite programming for optimization.

  • FFT
  • Filter Banks
  • DCT
  • FIR Filters
  • Multiplierless Algorithms
  • Digital Audio Coding
  • Software Radio
  • Polyphase Filters
  • Variable Fractional Delay
  • Semidefinite Programming
Research works
19k
fractional, since 1951
In the world top 10%
1.9k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+4%
the tick is no change
Largest producer
China
36% of the 10 largest, 2022-now
Digital Filter Design and Implementation

Which countries lead Digital Filter Design and Implementation research?

By volume, China and India publish the most (427 and 338 works in 2022-now).

By volume, 2022-now

  1. 1 China 427 works
  2. 2 India 338 works
  3. 3 United States 152 works
  4. 4 Japan 59 works
  5. 5 Germany 59 works
  6. 6 Russia 35 works
  7. 7 France 32 works
  8. 8 United Kingdom 31 works
  9. 9 South Korea 31 works
  10. 10 Italy 29 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 35.8%India: 28.3%United States: 12.7%Japan: 5.0%6 others listed: 18.2%36%largest
China427 · 35.8%India338 · 28.3%United States152 · 12.7%Japan59 · 5.0%6 others listed217 · 18.2%

Shares of the rows listed above, not of the whole node.

Which institutions lead Digital Filter Design and Implementation research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Digital Filter Design and Implementation research, followed by University of Electronic Science and Technology of China and Toho University.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 18 works
  2. 2 University of Electronic Science and Technology of ChinaChina 17 works
  3. 3 Toho UniversityJapan 16 works
  4. 4 Xidian UniversityChina 14 works
  5. 5 Centre National de la Recherche ScientifiqueFrance 12 works
  6. 6 Beijing Institute of TechnologyChina 10 works
  7. 7 Amrita Vishwa VidyapeethamIndia 9 works
  8. 8 Vellore Institute of Technology UniversityIndia 9 works
  9. 9 University of Science and Technology of ChinaChina 8 works
  10. 10 National University of Defense TechnologyChina 8 works

Who are the leading researchers in Digital Filter Design and Implementation?

The most-cited researchers publishing on Digital Filter Design and Implementation include Sanjit Mitra, H. Vincent Poor and Anil Kumar Jain.

  1. 1 Sanjit Mitra India 167k citations
  2. 2 H. Vincent Poor United States 165k citations
  3. 3 Anil Kumar Jain United States 160k citations
  4. 4 David L. Donoho United States 154k citations
  5. 5 Alan Conrad Bovik United States 150k citations
  6. 6 Stephen Boyd United States 142k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Digital Filter Design and Implementation?

The most cited paper in Digital Filter Design and Implementation is "On the use of windows for harmonic analysis with the discrete Fourier transform" (Fred J. Harris, 1978), with 7,317 citations. Next come "An Algorithm for Vector Quantizer Design" (7,224) and "A new, fast, and efficient image codec based on set partitioning in hierarchical trees" (5,360).

Most cited papers
#PaperReleasedCitations
1 On the use of windows for harmonic analysis with the discrete Fourier transform Fred J. Harris · Proceedings of the IEEE 1978 7,317
2 An Algorithm for Vector Quantizer Design Y. Linde, Andres Buzo, Robert M. Gray · IEEE Transactions on Communications 1980 7,224
3 A new, fast, and efficient image codec based on set partitioning in hierarchical trees Amir Said, William A. Pearlman · IEEE Transactions on Circuits and Systems for Video Technology Jun 1996 5,360
4 The Design and Implementation of FFTW3 Matteo Frigo, Steven G. Johnson · Proceedings of the IEEE 24 Jan 2005 5,208
5 Discrete Cosine Transform N. Ahmed, T.R. Natarajan, K.R. Rao · IEEE Transactions on Computers 1974 5,116
All 101 most cited papers, with filters and sorting

Where is Digital Filter Design and Implementation research done?

The largest centres of Digital Filter Design and Implementation research in 2022-now are Beijing (China), Xi'an (China), Tokyo (Japan) and Nanjing (China).

Largest cities, 2022-now

  1. 1 BeijingChina 82 works
  2. 2 Xi'anChina 35 works
  3. 3 TokyoJapan 33 works
  4. 4 NanjingChina 30 works
  5. 5 ChennaiIndia 26 works
  6. 6 ShanghaiChina 26 works
  7. 7 BengaluruIndia 26 works
  8. 8 ChengduChina 25 works
  9. 9 New DelhiIndia 17 works
  10. 10 HangzhouChina 17 works
See Digital Filter Design and Implementation on the map

Where is the best place to study Digital Filter Design and Implementation?

Among universities, judged by research, Beijing Institute of Technology, University of Science and Technology of China and University of Electronic Science and Technology of China score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 13.5222%fractional works in this field (log) →share of work in the world top 10% →Beijing Institute of…University of Scienc…University of Electr…Xidian University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Beijing Institute of TechnologyChina 60.433.7%5.8×10 -44.5%
2University of Science and Technology of ChinaChina 58.125.8%5.0×8 +218.6%
3University of Electronic Science and Technology of ChinaChina 56.810.7%10.3×16 -3.9%
4Xidian UniversityChina 56.79.7%13.6×14 +144.8%
5Toho UniversityJapan 55.83.0%114.4×16 +157.6%
6Amrita Vishwa VidyapeethamIndia 24.68.3%11.8×9 +2.8%
7National University of Defense TechnologyChina 23.710.7%7.6×8 +17.2%
8Vellore Institute of Technology UniversityIndia 22.411.2%6.1×9 -58.4%
9Zhejiang UniversityChina 20.58.6%2.1×8 -

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Digital Filter Design and Implementation, country by country

Is Digital Filter Design and Implementation research growing?

Output in 2022-2025 was 4% higher than in 2018-2021, peaking in 2002. The fastest-growing topics are Digital Filter Design and Implementation.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Digital Filter Design and Implementation as a percentage of every work published that year, 0.0058% in 2024.

still counting0.050%0.10%0.15%Digital Filter Design and Implementation0.0081% in 202519801990200020102020

Fractional works of Digital Filter Design and Implementation over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Digital Filter Design and Implementation9.9% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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