Koji Asami - researchr alias

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Viewing Publication 1 - 31 from 31

2022

High-Precision Sub-Nyquist Sampling System Based on Modulated Wideband Converter for Communication Device TestingZolboo Byambadorj, Koji Asami, Takahiro J. Yamaguchi, Akio Higo, Masahiro Fujita, Tetsuya Iizuka. tcasI, 69(1):378-388, 2022. [doi]

2021

Application of Residue Sampling to RF/AMS Device TestingShogo Katayama, Yudai Abe, Anna Kuwana, Koji Asami, Masahiro Ishida, Ryuya Ohta, Haruo Kobayashi 0001. ats 2021: 19-24 [doi]

2020

Ultra-Wideband Modulation Signal Measurement Using Local Sweep Digitizing MethodKoji Asami, Keisuke Kusunoki, Nobuhiro Shimizu, Yoshiyuki Aoki. vts 2020: 1-6 [doi]

Theoretical Analysis on Noise Performance of Modulated Wideband Converters for Analog TestingZolboo Byambadorj, Koji Asami, Takahiro J. Yamaguchi, Akio Higo, Masahiro Fujita, Tetsuya Iizuka. ats 2020: 1-6 [doi]

A Calibration Technique for Simultaneous Estimation of Actual Sensing Matrix Coefficients on Modulated Wideband ConvertersZolboo Byambadorj, Koji Asami, Takahiro J. Yamaguchi, Akio Higo, Masahiro Fujita, Tetsuya Iizuka. tcas, 67-I(12):5561-5573, 2020. [doi]

Theoretical Analysis of Noise Figure for Modulated Wideband ConverterZolboo Byambadorj, Koji Asami, Takahiro J. Yamaguchi, Akio Higo, Masahiro Fujita, Tetsuya Iizuka. tcas, 67-I(1):298-308, 2020. [doi]

Study on Crest Factor Controlled Multi-Tone Signal for Analog RF Circuit TestingYukiko Shibasaki, Koji Asami, Akemi Hatta, Riho Aoki, Anna Kuwana, Haruo Kobayashi 0001. isocc 2020: 133-134 [doi]

Analysis and Design of Multi-Tone Signal Generation Algorithms for Reducing Crest FactorYukiko Shibasaki, Koji Asami, Riho Aoki, Akemi Hatta, Anna Kuwana, Haruo Kobayashi 0001. ats 2020: 1-6 [doi]

2019

Analog / Mixed-Signal / RF Circuits for Complex Signal ProcessingHaruo Kobayashi 0001, Nene Kushita, Minh Tri Tran, Koji Asami, Hao San, Anna Kuwana, Akemi Hatta. asicon 2019: 1-4 [doi]

Analysis and Evaluation Method of RC Polyphase FilterKoji Asami, Nene Kushita, Akemi Hatta, Minh Tri Tran, Yoshiro Tamura, Anna Kuwana, Haruo Kobayashi 0001. asicon 2019: 1-4 [doi]

Crest Factor Controlled Multi-Tone Signals for Analog/Mixed-Signal IC TestingYukiko Shibasaki, Koji Asami, Anna Kuwana, Kosuke Machida, Yuanyang Du, Akemi Hatta, Kazuyoshi Kubo, Haruo Kobayashi. itc-asia 2019: 7-12 [doi]

Physical Meanings of Fractal Behaviors of Water in Aqueous and Biological Systems with Open-Ended Coaxial ElectrodesShin Yagihara, Rio Kita, Naoki Shinyashiki, Hironobu Saito, Yuko Maruyama, Tsubasa Kawaguchi, Kohei Shoji, Tetsuya Saito, Tsuyoshi Aoyama, Ko Shimazaki, Keisuke Matsumoto, Minoru Fukuzaki, Haruchika Masuda, Shinichiro Hiraiwa, Koji Asami, Masayuki Tokita. sensors, 19(11):2606, 2019. [doi]

2018

Innovative practices on test in JapanKoji Asami, Yoshiro Tamura, Haruo Kobayashi, Jun Matsushima, Yoichi Maeda, Kazumi Hatayama. vts 2018: 1 [doi]

Low-Distortion One-Tone and Two-Tone Signal Generation Using AWG Over Full Nyquist RegionTomonori Yanagida, Shohei Shibuya, Kosuke Machida, Koji Asami, Haruo Kobayashi. itc-asia 2018: 91-96 [doi]

2017

Fibonacci sequence weighted SAR ADC as golden section searchHirotaka Arai, Takuya Arafune, Shohei Shibuya, Yutaro Kobayashi, Koji Asami, Haruo Kobayashi. ispacs 2017: 657-662 [doi]

Low-distortion signal generation for analog/mixed-signal circuit testing with digital ATEMasayuki Kawabata, Koji Asami, Shohei Shibuya, Tomonori Yanagida, Haruo Kobayashi. itc-asia 2017: 2-7 [doi]

2016

Rectangular Waveform Generation with Harmonics SuppressionMasayuki Kawabata, Koji Asami, Shohei Shibuya, Tomonori Yanagida, Haruo Kobayashi. ats 2016: 125 [doi]

Novel crosstalk evaluation method for high-density signal traces using clock waveform conversion techniqueTakayuki Nakamura, Koji Asami. itc 2016: 1-7 [doi]

2013

Novel estimation method of EVM with channel correction for linear impairments in multi-standard RF transceiversKoji Asami, Takashi Shimura, Toshiaki Kurihara. vts 2013: 1-6 [doi]

Digital Compensation for Timing Mismatches in Interleaved ADCsRu Yi, Minghui Wu, Koji Asami, Haruo Kobayashi, Ramin Khatami, Atsuhiro Katayama, Isao Shimizu, Kentaroh Katoh. ats 2013: 134-139 [doi]

2010

Timing skew compensation technique using digital filter with novel linear phase conditionKoji Asami, Hiroyuki Miyajima, Tsuyoshi Kurosawa, Takenori Tateiwa, Haruo Kobayashi. itc 2010: 334-342 [doi]

Evaluation techniques of frequency-dependent I/Q imbalances in wideband quadrature mixersKoji Asami, Toshiaki Kurihara, Yushi Inada. itc 2010: 229-236 [doi]

2009

An Algorithm to Evaluate Imbalances of Quadrature MixersKoji Asami, Michiaki Arai. ieicet, 92-A(4):1223-1229, 2009. [doi]

Technique to Improve the Performance of Time-Interleaved A-D Converters with Mismatches of Non-linearityKoji Asami, Takahide Suzuki, Hiroyuki Miyajima, Tetsuya Taura, Haruo Kobayashi. ieicet, 92-A(2):374-380, 2009. [doi]

2008

Technique to Improve the Performance of Time-Interleaved A-D Converters with Mismatches of Non-linearityKoji Asami, Hidetaka Suzuki, Hiroyuki Miyajima, Tetsuya Taura, Haruo Kobayashi. ats 2008: 105-110 [doi]

2007

An Algorithm to Improve the Performance of M-Channel Time-Interleaved A-D ConvertersKoji Asami. ieicet, 90-A(12):2846-2852, 2007. [doi]

An algorithm to evaluate wide-band quadrature mixersKoji Asami. itc 2007: 1-7 [doi]

2005

Technique to improve the performance of time-interleaved A-D convertersKoji Asami. itc 2005: 7 [doi]

2002

WCDMA Testing with a Baseband/IF Range AWGKoji Asami, Yasuo Furukawa, Michael Purtell, Motoo Ueda, Karl Watanabe, Toshifumi Watanabe. itc 2002: 1140-1145 [doi]

1999

A method to improve the performance of high-speed waveform digitizingKoji Asami, Shinsuke Tajiri. itc 1999: 947-954

1996

Testing the Digital Modulation of PHS DevicesKoji Asami. itc 1996: 99-103

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Publications by 'Koji Asami'

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2022

2021

2020

2019

2018

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2013

2010

2009

2008

2007

2005

2002

1999

1996

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