便攜式無(wú)線(xiàn)人體脂肪率測量?jì)x的設計

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便攜式無(wú)線(xiàn)人體脂肪率測量?jì)x的設計
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作者單位:(1.中國科學(xué)院微電子研究所,北京 100029; ;2.中國科學(xué)技術(shù)大學(xué),合肥 230026)[HJ1.6mm]
作者簡(jiǎn)介:范 舟(1989-),女,安徽蕪湖人,碩士研究生,主要從事生物醫療電子傳感器方向的研究。[FQ)]
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基金項目:新一代寬帶無(wú)線(xiàn)移動(dòng)通信網(wǎng)(03專(zhuān)項)(2014ZX03004001-004)。

Designing of Portable Wireless Measuring Instrument of Human Body Fat Percentage

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(1.Institute of Microelectronics,Chinese Academy of Sciences,Beijing 100029,China;2.University of Sciences and Technology of China,Hefei 230026,China)[JZ)]

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摘要:

生物電阻抗法(BIA)是一種安全非侵入式的、結果可靠有效的人體組成成分(脂肪含量)測量方法;以此為原理,設計了一款便攜式無(wú)線(xiàn)人體脂肪率測量?jì)x;硬件上,系統以高集成化、低功耗的阻抗測量芯片AD5933為核心,通過(guò)藍牙實(shí)現與上位機的無(wú)線(xiàn)通信,大大降低了設備的復雜度;軟件部分提出一種單頻點(diǎn)小阻抗范圍的增益系數校準方式,計算量小且容易實(shí)現;將新測量?jì)x和歐姆龍體脂儀HBF-358進(jìn)行對比實(shí)驗,并作Bland-Altman一致性分析;結果表明,二者的相關(guān)系數為0.997;此外,該測量?jì)x還具有易操作、小型化的特點(diǎn)。

Abstract:

Bioelectrical impedance analysis is a safe and noninvasive method that provides reliable and sufficiently accurate estimates of human body composition(fat percentage). Based on this method,a portable wireless measuring instrument of human body fat percentage is designed. Characterized by high integration and low power,AD5933 is an important module of the instrument,using Bluetooth to communicate with computer wirelessly and reducing the complexity of equipment much more. A more practical calibration method of gain factor is proposed,suitable for single frequency and small range of impedance measurement,having less calculation and realizing easily. The comparing experiment between the new instrument and ORMON HBF-358 is processed with Bland-Altman consistency analysis. The result shows the correlation coefficient between the new instrument and ORMON HBF-358 is 0.997.This instrument possesses the advantage of easy operation and small in size.

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范舟,胡巍,王云峰,張海英.便攜式無(wú)線(xiàn)人體脂肪率測量?jì)x的設計計算機測量與控制[J].,2015,23(7):2581-2584.

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在線(xiàn)發(fā)布日期: 2015-07-31
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