{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,4]],"date-time":"2022-04-04T08:22:43Z","timestamp":1649060563773},"reference-count":16,"publisher":"World Scientific Pub Co Pte Lt","issue":"07","funder":[{"name":"National Science and Technology Major Project of China","award":["(2011ZX05009-005)"]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J CIRCUIT SYST COMP"],"published-print":{"date-parts":[[2018,6,30]]},"abstract":" Bandwidth limitation is a vital problem for high-speed data transmission in logging cable telemetry systems (LCTSs). This paper proposes a frequency compensation method with an analog circuit design, possessing high flexibility and robustness. Analytical expressions are derived for the relationship between pole-zero and gain, deviations caused by high temperature; and are then verified via simulation. To address the efficacy of the circuit design, a real case with low computation complexity and high accuracy is proposed and employed. The case of a 7[Formula: see text]km LCTS shows frequency compensation with a 200% bandwidth expansion\u00a0\u2014 from 160[Formula: see text]kHz at [Formula: see text]55[Formula: see text]dB of the original cable to 300[Formula: see text]kHz at [Formula: see text]3[Formula: see text]dB\u00a0\u2014 and a 60[Formula: see text]dB improvement in high frequency gain. After comparing the signals with and without compensation, the improvements in transmission performance by the proposed pre-emphasis circuit and equalizer are confirmed. <\/jats:p>","DOI":"10.1142\/s0218126618501037","type":"journal-article","created":{"date-parts":[[2017,11,10]],"date-time":"2017-11-10T02:44:20Z","timestamp":1510281860000},"page":"1850103","source":"Crossref","is-referenced-by-count":0,"title":["Optimal Design Methodology for Frequency Compensation Circuits in Logging Cable Transmission Channel"],"prefix":"10.1142","volume":"27","author":[{"ORCID":"http:\/\/orcid.org\/0000-0001-8755-269X","authenticated-orcid":false,"given":"Qian","family":"Cui","sequence":"first","affiliation":[{"name":"College of Geophysics and Information Engineering, China University of Petroleum-Beijing, Beijing 102249, P. R. 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