铁电材料以其特殊的极化反转现象而具有电滞回线的特性，在记忆处理、图像显示和信息存储等领域具有广泛而重要的应用。铁电材料的特征参数主要通过电滞回线及伏安特性测量等加以确定。开发电滞回线及伏安特性测量装置对铁电体的研发及应用具有重要的作用及意义。 　　　通过分析铁电体电畴的极化规律，建立了铁电体本征电滞回线模型，得出了本征电滞回线的特性，为电滞回线的补偿提供了理论依据。并对比分析电滞回线测量的补偿方法，分析电滞回线测量的影响因素，提出了基于铁电体本征电滞回线模型的补偿方法，通过改进信号调理电路，结合虚拟仪器思想并借助LabVIEW8.2编写程序开发了一套铁电材料电滞回线测试系统。通过PZT样品补偿前后的结果对比分析表明，该数值补偿方法可有效补偿漏电阻和线性感应电容对电滞回线测试的影响并获得了比较真实的电滞回线，满足了铁电材料研究与应用的需求。 　　　铁电体伏安特性测量可直接准确地判定铁电材料的基本特性。鉴于目前国内开发的相关设备均缺乏同时对其伏安特性的测量功能，我们在铁电体电滞回线测试系统基础上，拓展开发了伏安特性测量功能模块，以实现对铁电材料的伏安特性参数快速准确的测量。该模块基于电流检测原理电路，运用labview虚拟仪器编程语言，实现了对材料漏电流曲线的实时动态测量，并由计算机进行测试数据采集，结果显示，储存和分析。 　　　基于对铁电体本征电滞回线模型方程的建立，提出了测量过程数值补偿方法，通过电路改进与软件设计，开发了用于铁电体电滞回线测量的系统，并拓展实现了铁电体伏安特性测量功能。测试结果表明，该系统可准确快速地测量出铁电材料的电滞回线与漏电流特性，操作便捷，为铁电材料的深入研发与应用提供了有效的解决方案。

The ferroelectric material caused by hysteresis loop characteristics with the spontaneous polarization, can be widely used in memory device, image display and information storage devices and so on. The measurement of the ferroelectric material hysteresis loops and I-V characteristics can determine important parameters related ferroelectric materials, testing of material properties is good or bad. Development of hysteresis loops and voltage characteristic measuring system has an important role and significance of the research, development and application of ferroelectrics. 　　　This paper analyzes the law of the ferroelectric polarization of electric domains, established the intrinsic ferroelectric hysteresis loop model,which provides a theoretical basis for compensating of hysteresis loop. By improving the signal conditioning circuitry, combined with virtual instruments structure and LabVIEW8.2, a ferroelectric material hysteresis loop test system were developed.The testing results of PZT sample shows that the numerical compensation method can effectively compensate the influence induced by leakage resistance and capacitance and get a more genuine hysteresis loop to meet the application requirements of ferroelectric materials testing. 　　　I-V characteristics can accurately determine the important characteristics of ferroelectric materials. the domestic test equipment lack of direct measurement of the leakage current. In this paper, by extending the hysteresis loop test system ,a volt-ampere characteristic measurement module was designed, the module can test voltage characteristics of the ferroelectric material quickly and accurately. This measurement module is based on the measurement principle of the circuit voltage characteristics and used labview virtual instrument programming language.It implements software control measurement process and use computer for data acquisition, the results display, storage and analysis. 　　　Based on the establishment of the above intrinsic ferroelectric hysteresis loop model equations, numerical measurement process proposed compensation method was developed through the circuit improvement and software design, used the developed ferroelectric hysteresis loop measurement system, It is to expand to achieve the ferroelectric I-V measurements. The test results show that the system can quickly and accurately measure the ferroelectric material hysteresis loops and leakage current characteristics.for the further development and application of ferroelectric materials,It provide an effective solution.