相关实验视频
Updated: Jun 25, 2026

07:20
Trapping of Micro Particles in Nanoplasmonic Optical Lattice
Published on: September 5, 2017
6.6K
可配置的代码分割多重 TES 探测器的错误纠正,具有冷子开关
Joel C Weber1,2, Joseph W Fowler1,2, Malcolm Durkin1,2
1National Institute of Standards and Technology, Boulder, Colorado 80305, USA.
概括
超导冷子开关使得可重新配置的毫克尔文电路成为可能. 将它们集成到SQUID多重组数组中,可以进行错误纠正,在传感器故障后恢复数据.
科学领域:
- 物理 物理学 物理
- 电气工程 电气工程
- 低温生化技术 (Cryogenics) 是一个非常重要的技术.
背景情况:
- 在毫克尔文温度下运行的超导电路提供极低的功耗消耗.
- 冷子开关是这种电路的一个有前途的构建块.
- 目前用于传感器阵列的多重复合技术面临局限性.
研究的目的:
- 为了证明冷子开关对可重新配置的毫克尔文电路的实用性.
- 在使用冷子开关的 SQUID 多重传感器阵列中实现错误校正.
- 在传感器故障时增强数据恢复.
主要方法:
- 将磁性驱动的薄膜冷子开关集成到一个流量总代码划分SQUID多重读取输出中.
- 使用冷子开关在故障时从单个过渡边缘传感器 (TES) 微热量计提供零信号输出.
- 限制解调矩阵从剩余传感器中恢复数据.
主要成果:
- 将一个冷子开关成功集成到一个SQUID多重读取系统中.
- 演示可配置的错误纠正功能.
- 允许在单个传感器故障后从功能传感器恢复数据.
结论:
- 冷子开关是一个可行的组件,用于构建可重新配置的毫克尔文电路.
- 这种集成为冷子开关提供了实际应用,并为传感器阵列的错误纠正提供了一种方法.
- 为更复杂的毫凯尔文电子系统奠定了基础.
相关概念视频
Determination of Crystal Structures
In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...
Power System Three-Phase Short Circuits
Determining the subtransient fault current in a power system involves representing transformers by their leakage reactances, transmission lines by their equivalent series reactances, and synchronous machines as constant voltage sources behind their subtransient reactances. In this analysis, certain elements are excluded, such as winding resistances, series resistances, shunt admittances, delta-Y phase shifts, armature resistance, saturation, saliency, non-rotating impedance loads, and small...
Reclosers and Fuses
Automatic circuit reclosers enhance the protection of distribution circuits by interrupting and auto-reclosing an AC circuit according to a preset sequence. They effectively manage temporary faults on overhead distribution lines, often caused by tree limbs or wildlife, by briefly disrupting service to improve overall reliability. However, contact with reclosers or energized broken conductors on the ground can pose serious hazards.
A comprehensive protection scheme for radial distribution...
A comprehensive protection scheme for radial distribution...
Directional Relays
Directional relays, essential for managing unidirectional fault currents, enhance the safety and efficiency of power systems. On power lines equipped with directional relays, faults downstream (to the right) of the current transformer typically cause the fault current to lag the bus voltage by approximately 90 degrees, known as the forward direction. In contrast, upstream (left-side) faults may result in the fault current leading the bus voltage by nearly 90 degrees, termed the reverse...
Line Protection with Impedance Relays
Coordinating time-delay overcurrent relays in complex radial systems and directional overcurrent relays in multi-source transmission loops can be challenging. Impedance relays address these issues by responding to the voltage-to-current ratio, specifically measuring the apparent impedance of a line. These relays become more sensitive during faults as current increases and voltage decreases, thereby reducing the apparent impedance.
Under normal conditions, low load currents keep the measured...
Under normal conditions, low load currents keep the measured...
Differential Relays
Differential relays are used to protect generators, buses, and transformers by comparing electrical quantities at different points. When a fault occurs, the difference in current between the two points triggers the relay to operate, opening the circuit breaker. Under normal conditions, the current entering (i1) and leaving (i2) a generator are equal. When a fault occurs, however, these currents become unequal, and the difference current flows in the relay operating coil, causing the relay to...

