阻抗分析仪

该文用XRD和SEM对Cu掺杂的Mg-Zn铁氧体的相结构和显微结构进行了研究。用HP4194A阻抗分析仪研究了烧结样品的磁谱。

In this paper , Cu doped Mg-Zn ferrites were studied from phase formation , microstructure and magnetic patterns by XRD , SEM and impedance analyzer ( HP4194A ) .

复合膜电阻与介电常数由低频（LF）阻抗分析仪进行研究从而得到膜电阻、介电常数和频率间的关系。

The resistivity and dielectric constant of the films were studied by means of a LF impedance analyzer so as to obtain the relationship between the frequency and the dielectric constant and resistivity of the films .

通过X射线衍射，阻抗分析仪对体系物相结构和介电性能进行了测试分析。

The phase structure and dielectric behavior were measured by XRD and impedance meter .

利用X射线衍射仪，测定了材料的物相结构，利用阻抗分析仪测定了不同频率和温度下材料的介电常数和介电损耗。

The phase structure , dielectric constant and dielectric loss were measured by X-ray diffraction spectrometer ( XRD ) and LCZ impedance meter , respectively .

利用LCR阻抗分析仪研究了所得聚氨酯弹性体的介电性能。

The dielectric properties were measured with LCR analyzer .

采用美国HPAngilent4294A阻抗分析仪测试了以Pt为底电极、Ag为上电极的MFM电容器的介电性能。

The dielectrical measurements were conducted on metal-ferroelectric-metal capacitors using Pt as the bottom electrode and Ag as the top electrode .

通过XRD，SEM和低频阻抗分析仪等分析手段，研究了YSZ薄膜的相结构、形貌特征及其电导性能。

The phase structure , microstructure and electrical conductivity of YSZ films are studied by using XRD , SEM and LF ( low frequency ) impedance meter .

压电阻抗法的核心问题是PZT片激励及耦合电阻抗（或电导纳）的测量，目前研究中多是借助阻抗分析仪实现。

The core issues of EMI are the excitation of PZT patches and measurement of coupled impedance ( or admittance ) which are usually achieved by the bulky and expensive Impedance Analyzer .

研究了20~1MHz范围内数字阻抗分析仪中相敏检波器的设计原理，并详细介绍了基于该原理的信号采集原理、关键参数的计算、功能电路的设计，及以DSP为核心的相敏检波器实时算法。

The theory of a novel digital phase detector in 20 ~ 1MHz impedance analyzer is proposed . The signal sampling theory , the calculation of key parameters , the design of function circuits , and the real-time algorithm based on DSP are described in detail .

安捷伦4396B阻抗分析仪在测试吸波材料复相对介电常数上的应用

Application of Agilent Impedance Analyzer 4396B on Measurements of Absorbing Materials Complex Permittivity

HP4191A高频阻抗分析仪是一应用矢量阻抗分析技术进行高准确度，宽量程，多功能阻抗测量的自动化仪器，他能在1～1000MHz频率范围内测量电子元器件的阻抗参数。

The HP Model 4191A RF Impedance Analyzer is a fully automatic , high performance test instrument designed to measure diverse impedance parameter of electronic devices and materials at extended frequencies ranging for 1-1000 MHz .

采用阻抗分析仪测量半桥FC-IPEM的寄生参数，建立寄生参数模型，测量中，使用改进型寄生电容测量方法，提高了测量的准确性。

The parasitic parameters are extracted for building the parasitic parameter model of the FC-IPEM using an impedance analyzer . A method of paralleling external capacitor is proposed to improve measurement precision of structural capacitance .

另外，在用HP4395A阻抗分析仪测量高频阻抗频率特性时，为屏蔽外界电磁干扰，应该对被测模型加屏蔽罩并可靠接地。

In addition , a novel way to improve the measurement of high frequency impedance by Impedance Analyzer HP4395A was presented , which can protect the DUT ( device under text ) from exterior EMI effectively .

FZ&1型肺阻抗分析仪测定慢阻肺患者的呼吸阻抗

Measurement of Respiratory Impedance of COPD Patients with Impedance Pneumography FZ-1

肺阻抗分析仪的设计和性能评价

Designation and Functional Evaluation of Pulmonary Impedance Analyser Model FZ-1

精密阻抗分析仪中数字相敏检波技术研究与实现

Research and Realization of DPSD Technique in Precision Impedance Analyzer

应用阻抗分析仪测量磁芯复数磁导率的不确定度分析

Uncertainty Analysis of Complex Permeability Measurement Using Impedance Analyzer

新型全数字化阻抗分析仪设计与实现

Design and Realization of a Novel Digital Impedance Analyzer

鉴于以往此类实验中所采用的阻抗分析仪价格十分昂贵，提出了一种更实用的实验方法。

Whereas a typical impedance analyzer used in other experiments before is very expensive , a banausic experimental method is put forward .

首先，根据电-力-声类比原理，采用高精度的阻抗分析仪，测量超声振动系统在不同工况下的导纳圆。

First , according to the theory of electricity-force-acoustic analogy , admittance circles in different load cases were measured by using admittance analyzing apparatus .

利用阻抗分析仪测试了多孔金属陶瓷的介电性能和磁性能，详细研究了金属陶瓷微观结构与其电磁性能的关系。

The dielectric and magnetic properties of the porous cermets are tested using impedance analyzer . The relationship between the microstructure of the cermets and its electromagnetic properties are investigated .

最后应用阻抗分析仪对本文研制的旋转超声振动系统主要性能参数进行测试，结果显示各项参数满足设计指标，谐振频率仅偏离设计值0.38%。

The results show that the parameters meet performance index . The deviation of resonant frequency is only 0.38 % . Then the ultrasonic vibration system is installed in rotary ultrasonic machine tool .

利用阻抗分析仪测试材料高频频段的介电常数及磁导率，重点研究不同金属含量对复合材料高频性能的影响。

The permittivity and permeability of the composites at room temperature in high frequency range were determined using precision impedance analyzer . And high-frequency properties of the cermets in relation to metal concentration were analyzed carefully .

用阻抗特性分析仪分析了电机的阻抗特性和相位特性；

The motor 's character of impedance and phase contrast has been surveyed by using impedance characteristic analysis instrument .

利用阻抗／材料分析仪测量磁性薄膜的复磁导率

Measurement for complex permeability of magnetic thin-film by impedance / material analyzer

介绍了一种智能化声阻抗中耳功能分析仪的测试原理，仪器组成，系统的主要功能等。

This thesis introduces the measuring principle , device composition and main functions of an intelligent acoustic impedance middle ear analyzer .

KX-21型血细胞分析仪是日产全自动、多参数、三分类、阻抗型全血细胞分析仪，可为临床提供18项参数和三类细胞分布图。

KX-21 Blood Analyzer , manufactured by Japan , is multiple parameters and three classification . It can provide 18 parameters and three kinds of cell distribution pictures for clinic .

本课题从理论和实践上对阻抗频谱分析作了初步的研究，对阻抗频谱分析仪研制工作中可能出现的问题进行了论述，为今后研制综合性能更好的频谱分析仪打下了基础。

This task makes a preliminary study of the spectrum analysis in theory and practice . The possible problems which may presents in the development of an impedance spectrum analyzer are discussed so as to make a good foundation for the development of a better spectrum analyzer in the future .

阻抗听力计，阻坑测听仪测试系统由阻抗分析仪、计算机、压电陶瓷片、铝梁组成。

The simple impedance measurement system is consisted of piezoelectric element , an impedance analyzer , Al beam and computer .

导纳圆图法测量换能器的阻抗特性可达很高精度，所以目前科研与工程领域应用的绝大部分超声换能器阻抗分析仪是采用了此方法。

Measuring transducer impedance characteristic by admittance circle diagram will be very accuracy . Therefore , currently , this method is applied in most of the ultrasonic transducer impedance analyzer in science research and engineering field .