使用毫米波雷达和UWBB监控老年人的实例
Gabriel García-Gutiérrez1, Elena Aparicio-Esteve1, Jesús Ureña1
1Department of Electronics, University of Alcalá, 28805 Alcalá de Henares, Spain.
Sensors (Basel, Switzerland)
|January 28, 2026
概括
这项研究引入了一种使用超宽带 (UWB) 和毫米波 (mmWave) 雷达等无线电频率技术的新方法,用于不引人注目的老年人监控. 该系统提取流动性指标,增强住宅环境中的护理.
科学领域:
- 老年学和健康信息学
- 传感器技术和信号处理技术
- 人与计算机的交互
背景情况:
- 人口老龄化需要在住院护理中进行不显眼的,持续的监测.
- 无线电频率 (RF) 技术,包括超宽带 (UWB) 和毫米波 (mmWave) 雷达,提供保护隐私的存在和运动检测.
- 现有系统需要整合,以便全面监测老年人.
研究的目的:
- 从长期室内监测数据中提取定量移动性指标的数据处理方法的开发和验证.
- 评估联合UWB和毫米波雷达传感系统用于老年护理的可行性.
- 提供个性化的卧室占用,久坐行为和移动性的指标.
主要方法:
- 部署了一个混合系统,结合了无设备的毫米波雷达 (卧室/浴室) 和基于标签的UWB定位 (公共区域).
- 毫米波数据使用适应性短期平均/长期平均 (STA/LTA) 探测器进行运动分类.
- 在UWB数据中使用了卡尔曼波器,用于轨迹平滑和移动性指标推导.
主要成果:
- 该方法成功地从毫米波数据中提取了卧室占用率和非静止活动的个性化指标.
- 平滑的UWB轨迹使得每日步行和移动性指标的推导成为可能.
- 概念验证证明了该系统的能力,从三个用户那里获得了一天的样本.
结论:
- 拟议的数据处理方法有效地提取了用于老年人监测的关键流动性指标.
- 结合UWB和毫米波雷达传感可用于现实世界老年护理中的纵向例行分析.
- 这种方法支持在住院护理环境中加强,保护隐私的监控.
相关概念视频
01:16Characteristics of Practical Op Amps
859
A difference amplifier, a crucial component in numerous electronic devices, ideally amplifies only the difference-mode signal, which is the difference between two input signals. However, in practical circuits, the output voltage depends on both the differential gain and the common-mode gain.
The ratio of differential gain to the common-mode gain is defined as the common-mode rejection ratio (CMRR). This ratio quantifies the ability of operational amplifiers (op-amps) to reject common-mode...
The ratio of differential gain to the common-mode gain is defined as the common-mode rejection ratio (CMRR). This ratio quantifies the ability of operational amplifiers (op-amps) to reject common-mode...
859
01:30Theoretical Foundations of Nursing Practice
17.4K
Theories play an essential role in organizing patient care. Theories refer to a proposed or followed belief, policy, or procedure that is the basis for action. Nursing theories are knowledge-based concepts that guide nurses' actions, influence nursing education and practice, and allow nurses to care for their patients.
Theories provide a perspective to assess patients' conditions and organize data and methods. They also assist in analyzing and interpreting information. They represent a...
Theories provide a perspective to assess patients' conditions and organize data and methods. They also assist in analyzing and interpreting information. They represent a...
17.4K
01:28Equivalent Circuits for Practical Transformers
1.4K
The practical equivalent circuits of single-phase two-winding transformers exhibit significant deviations from their idealized versions due to the inherent properties of winding resistance and finite core permeability. These properties result in real and reactive power losses, affecting the transformer's performance. Understanding these deviations is crucial for designing more efficient transformers.
In a practical transformer, each winding exhibits resistance and leakage reactance. The...
In a practical transformer, each winding exhibits resistance and leakage reactance. The...
1.4K
01:33Adult Stem Cells
33.8K
Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously...
33.8K
01:23Holter Monitor: 24-Hour Monitoring
2.4K
Holter monitoring is a continuous electrocardiography (ECG) recording that tracks the heart's electrical activity over an extended period, generally 24 to 48 hours. This noninvasive diagnostic tool detects irregular heart rhythms that may not be captured during a standard ECG performed in a clinical setting.DeviceThe Holter monitor is a portable, small device connected to several electrodes on the patient's chest. These electrodes detect the heart's electrical signals and transmit them to the...
2.4K
02:05Self-Presentation: Self-Monitoring and Self-Handicapping
44.7K
People can go to great lengths to protect their self-image and present themselves in ways that they want others to see them. Sociologist Erving Goffman presented the idea that a person is like an actor on a stage. Calling his theory dramaturgy, Goffman believed that we use “impression management” to present ourselves to others as we hope to be perceived. Each situation is a new scene, and individuals perform different roles depending on who is present (Goffman, 1959). Think about...
44.7K