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放大器
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  amplifier
    NEW DESIGN OF HIGH PRECISION BIOLOGICAL MICROELECTRODE AMPLIFIER AND ITS APPLICATION
    新型高精度生物微电极放大器的设计及其应用
短句来源
    Electrode Potential and Design of First Stage Amplifier
    电极电位与放大器的前级设计
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    Realization of Automatic Capacitance Compensation in PC Ⅲ Patch Clamp Amplifier
    PC-Ⅲ 型膜片钳放大器自动电容补偿的实现
短句来源
    The Automatic Testing of ECG Amplifier
    心电放大器的自动测试
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    The development and application of a two-channel amplifier for bio-signals
    双道生物信号放大器的研制及应用
短句来源
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  amplifier a
    Methods: Spontaneous cardiac action potential signals were fed into a microcomputer through a glass microelectrode, a microelectrode amplifier, a differentiator and A/D converter.
    方法:将心肌细胞自发动作电位经玻璃微电极、微电极放大器、微分器、A/D转换器输入微型计算机。
短句来源
    In the process of development, we have designed the pulse wave detecting circuit. The signal of pulse wave can be detected by a pulse pressure sensor, be amplified and filtered by a circuit including a difference amplifier, a low-pass filter, a high-pass filter and an inverter, be converted to digital signal by an A/D converter, and finally be processed by PC.
    首先设计脉搏波采集电路,脉搏波由脉搏压力传感器采集,经过差动放大器、低通滤波器、高通滤波器和反相器,通过A/D 采集卡转为数字信号,用微型计算机进行处理。
短句来源
    The dynamic digital sphymometer is used to measured the puleses of human per minute。 It is consisted of a tranducer. an amplifier,a singl-stable circuit,a fre- quency multiplicator、a F/V transformer,an A/D transformer and a digital shower It is able to continuously show the dynamic changs of human puleses frequency.
    动态数字脉搏计用于测定人体每分钟脉搏的次数,由传感器、放大器,单稳态电路、倍频电路、频率电压转换电路,A/D 转换和数字显示电路构成,该机能连续显示人体脉搏频率的动态变化,也可用于人体心率的监测。
短句来源
    The system consists of H2-sensitive electrode,special amplifier,A/D converter and 80X86microccmputer·Two-direction electrode potential compensation ,“single point average”eharacter point pick-up and curve fitting techniques were used.
    系统包括氢气敏感电极、专用放大器、A/D转换器和80X86微机。 系统采用电极电位双向补偿、信号的“单点叠加平均”、特征点提取、曲线拟合等关键技术。
短句来源
    The structure andoperation principle of the neuroelectrical amplifier, A/D converter and computer interface circuit are emphatically discussed.
    重点阐述了仪器的神经电信号放大器和A/D转换及计算机接口电路的结构及工作原理。
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  “放大器”译为未确定词的双语例句
    In this system we realize the data transmission between the PC and the automatic patch-clamp with USB control chip CYC68013. The design of the hardware interface, the firmware and the application software in PC are described in details.
    该系统采用USB2.0控制器CY7C68013,实现了PC机和膜片钳放大器的数据传输。 详细介绍了USB硬件接口、固件程序设计以及上位机应用程序的设计。
短句来源
    Checkup of disorders in radio-frequency am-plifier for 1.5T MRI system
    1.5T磁共振系统射频放大器故障检修
短句来源
    The voltage reference of IC is 2.2V,which can keep stabilization when the power supply is bigger than 2.3V.In that case circuits can insulate yawp from power supply.
    在稳压源电路设计中,采用了运算放大器负反馈的形式,使参考电压源为2.2V,并在电源大于2.3V时保持稳定,隔离了电源噪声。
短句来源
    Hardware based on AD620 is used to amplify ECG signal, and MSP430F149 is used as host to sample and preprocess ECG signal, circuit based on TMS320VC5402 is designed for proposed algorithm.
    硬件设计的主要内容包括:基于仪表放大器设计心电信号前置放大电路,采用单片机MSP430F149作为主机实现心电信号数字化、预处理功能,采用TMS320VC5402芯片作为从机实现心电特征检测算法。
短句来源
    Quantitative results of time domain and frequency domain analysis can be obtained and represented more intuitively by graphics, such as Lorenz scatter, R R interval histogram, etc.
    该系统由心电放大器、A/D转换器、心律失常分析、HRV分析等模块组成,能对被检测对象提供定量的时域和频域分析结果,并能以Lorenz散点图、R-R间期分布图等更直观的图形形式显示分析结果。
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  amplifier
And we simulated the transmission model constructed with Erbium-doped fiber amplifier (EDFA) as the solo amplifier and the chirped fiber Bragg grating (CFBG) as the solo dispersion compensator used in the system.
      
The displacement of a piezoelectric multilayer actuator was amplified by a flexure-hinged amplifier based on the principles of triangle amplification.
      
A new electron beam (EB) control system was developed in a general vacuum EB machine by equipping it with an industrial control computer, programmable logic control (PLC), deflection coil, data acquisition card, power amplifier, etc.
      
This problem is of interest in connection with the possibility of application to the design of jet amplifier-one of the elements of fluidic automatic control (pneumonies) [1, 2].
      
The influence of a chain pumping reaction mechanism in a diffusion-type continuous-action chemical amplifier on an RF molecule is investigated.
      
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  enlarger
We propose an outline to design an instance generator using an expanding graph of a certain type, called here an "exact 1/2-enlarger".
      
We first show a simple algorithm for constructing an exact 1/2-enlarger, thereby deriving one concrete polynomial-time instance generator GEN.
      
We also show that an exact 1/2-enlarger can be obtained with high probability
      
Different negative densities were simulated by a series of time exposures for a uniform field in an enlarger, using a range of photographic papers.
      
Lenses L7 and L8 are F3.5, 150 mm focal length enlarger lenses.
      
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  amplifier a
Amplifier A device that boosts the strength of a television signal.
      
Amplifier A4 has a gain of 1 with a 2-pole filter.
      
Amplifier A device which increases the power or amplitude of an electrical signal.
      
Avoid touching wells with dropper tips or pipette tips when dispensing amplifier A and B as this may lead to cross-contamination between wells.
      
Bias voltages Vb1 and Vb2 and the low-frequency feedback amplifier A1 are chosen to stabilize the gain against temperature and supply variations.
      
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ABSTRACT

本文介绍B型医用超声显像系统的分辨率的各种判据,并对影响系统分辨率的诸因素作了讨论。提出了以获得空间点扩展函数(Space Point Spread Function)为目的的测量方法。对一个聚焦换能器的测量结果表明,对数放大器的使用将使系统的横向分辨率比使用线性放大器时降低60%。这个方法还能定量地测量各级电路对系统分辨率的影响。

Addition of mass M acts on the simple mechanical model of the muscle and muscular spindle. A theoretical investigation is made by using the lesser stretch force for muscular contraction. An operational amplifier is performed instead of all classical elements. P.I.D, accommodation is used as motor neuron. A preliminary electric model of stretch reflex is designed and make a computer analogue diagram. According to the theory of feedback control analyse the muscular contraction and muscular tonus. It is with very...

Addition of mass M acts on the simple mechanical model of the muscle and muscular spindle. A theoretical investigation is made by using the lesser stretch force for muscular contraction. An operational amplifier is performed instead of all classical elements. P.I.D, accommodation is used as motor neuron. A preliminary electric model of stretch reflex is designed and make a computer analogue diagram. According to the theory of feedback control analyse the muscular contraction and muscular tonus. It is with very similarity as physiological condition of it erature.

在肌肉和肌梭的简单机械模型中增加质量M的因素。对较小牵张力作用下肌肉收缩情况进行理论推导,将各典型环节用相应的运算放大器电路代替,用PID调节器模拟运动神经元。初步设计了一个牵张反射电子模型,绘出计算机模拟图。对肌收缩和肌紧张的反馈控制定性分析,与生理学有关论述有较好的符合。

作者根据电压钳的基本原理,结合微电极技术,研制了两微电极电压钳实验装置。本装置由五部份组成:(一)差分式微电极放大器;(二)控制放大电路;(三)细胞膜离子电流测量电路;(四)电流电极监视电路;(五)“串联电阻”补偿电路。该装置的特点是系统噪声小、反馈响应快、输出电流大,并采用电流电极阻抗补偿技术,可以对较小时间常数的细胞进行电压钳实验。经实际使用表明该装置能稳定地记录蛙缝匠肌及皮胸肌神经肌肉接头小终板电流及细胞膜的通道离子电流。

 
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