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Off-Diagonal GMI Sensors With a Software-Defined Radio Detector: Implementation and Performance

机译:具有软件定义的无线电检测器的非对角GMI传感器:实现和性能

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摘要

The implementation and the performance of a software-defined radio (SDR) detector for the signal demodulation and processing in off-diagonal GMI sensors are presented. One of the underlying ideas of this SDR is to benefit from the possibility to obtain almost linear and asymmetric characteristics of the off-diagonal component around the zero field. Unlike the commonly used peak detectors, the implemented SDR detector allows retaining this feature, without using any bias field and additional techniques of offset canceling. The key rules for a successful implementation of the SDR detector are given in some details and its potential is addressed. The first performances of the sensor are given and discussed. These include response, sensitivity, and noise as well as dynamic range, linearity, and slew rate.
机译:介绍了用于非对角GMI传感器中信号解调和处理的软件定义无线电(SDR)检测器的实现和性能。该SDR的基本思想之一是受益于获得零场附近非对角线分量几乎线性和不对称特性的可能性。与常用的峰值检测器不同,已实现的SDR检测器允许保留此功能,而无需使用任何偏置场和其他抵消偏移技术。成功实施SDR检测器的关键规则已在某些细节中给出,并探讨了其潜力。给出并讨论了传感器的第一性能。这些包括响应,灵敏度和噪声以及动态范围,线性和压摆率。

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