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Towards Non-Cooperative Standoff Biometrics Using Extremely Low Frequency (ELF) Processing

机译:迈向使用极低频(ELF)处理的非合作僵持生物识别技术

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摘要

Earth's Field Nuclear Magnetic Resonance (directX-NMR) is a novel detection technique that exploits the uniformity of the earth's magnetic field to measure processing magnetizations of isotope-having objects such as human beings. The ability to provide standoff medical surveillance will increase the Biomedical Wellness (BMW) of not only aging American citizens but also persons we seek to track from healthy to diseased states. Taking advantage of the uniform field in the earth, spatio-temporal integration (3 orders due to time and 4 orders due to space) and Higher Order Statistics (HOS), namely, change detection via kurtosis (ΔK), SNR and the ability to make non-locality measurements may be increased to at least the level of the typical hospital NMR devices. Moreover, we present theoretical calculations of magnitude and consider time dynamics of the resonant/relaxing magnetic fields as a function of 3D human motion and distance.
机译:地球磁场核磁共振(directX-NMR)是一种新颖的检测技术,该技术利用地球磁场的均匀性来测量具有同位素的物体(例如人类)的加工磁化强度。提供僵持的医疗监视的能力将不仅增加美国老龄公民的生物医学健康(BMW),而且还将增加我们寻求追踪从健康到患病状态的人们的生物医学健康。利用地球上的均匀场,时空积分(由于时间而产生的3阶和因空间而产生的4阶)和高阶统计量(HOS),即通过峰度(ΔK),SNR和进行非局部性测量至少可以增加到典型医院NMR设备的水平。此外,我们提出了幅度的理论计算,并考虑了共振/松弛磁场的时间动态与3D人类运动和距离的关系。

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