Concepedia

Keiichiro Koga

KK

3

Publications

108

Citations

3

H-Index

1977

Active since

Affiliations

Showa Denko (Japan)(Current)

Keiichiro Koga is an author at Showa Denko (Japan) specializing in engineering, signal processing, and computer engineering.

Top concepts

Publications per year

1977–1989

3

Publications

3

An analog speech scrambling system using the FFT technique with high-level security

Akira Matsunaga, Keiichiro Koga, Michihisa Ohkawa · IEEE Journal on Selected Areas in Communications · 1989 · 58 citations

, , +19

A Speech Scrambler Using the Fast Fourier Transform Technique

Keiichi Sakurai, Keiichiro Koga, T. Muratani · IEEE Journal on Selected Areas in Communications · 1984 · 26 citations

, , +11

On-board regenerative repeaters applied to digital satellite communications

Keiichiro Koga, T. Muratani, A. Ogawa · Proceedings of the IEEE · 1977 · 24 citations

, , +14

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