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関連する概念動画

Parallel Processing01:20

Parallel Processing

780
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
780
Parallel Resonance01:23

Parallel Resonance

609
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
609
Resistors In Parallel01:23

Resistors In Parallel

6.4K
Resistors are in parallel when one end of all the resistors are connected to a continuous wire of negligible resistance and the other end of all the resistors are also connected to one another through a continuous wire of negligible resistance. In the case of a parallel configuration, the potential drop across each resistor is the same. Current through each resistor can be found using Ohm’s law, I = V/R, where the voltage is constant across each resistor. The sum of the individual currents...
6.4K
Uncertainty in Measurement: Accuracy and Precision03:37

Uncertainty in Measurement: Accuracy and Precision

106.0K
Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value. 
106.0K
Series and Parallel Capacitors01:14

Series and Parallel Capacitors

9.8K
Capacitors, fundamental components in electronic circuits, can be connected in series and/or parallel configurations. Each configuration has different impacts on the overall behavior of the circuit.
First, consider capacitors connected in series to a battery. In this configuration, the plate connected to the battery's positive terminal develops a positive charge, while the plate attached to the negative terminal becomes negatively charged. An equal magnitude of charge is induced on the...
9.8K
Parallel-axis Theorem01:06

Parallel-axis Theorem

8.3K
The parallel-axis theorem provides a convenient and quick method of finding the moment of inertia of an object about an axis parallel to the axis passing through its center of mass. Consider a thin rod as an example. There is a striking similarity between the process of finding the moment of inertia of a thin rod about an axis through its middle, where the center of mass lies, and about an axis through its end using the conventional method. In the conventional method, the concept of linear mass...
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関連する実験動画

Updated: Feb 15, 2026

Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing
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FBGセンサーの高精度デモドレーションは,平行FBGを搭載した調整可能なMichelsonインターフェロメーターに基づいています.

Tingfeng Li, Shuo Wang, Fengyi Chen

    Optics letters
    |February 13, 2026
    PubMed
    まとめ
    この要約は機械生成です。

    この研究では,調節可能なFBGとMichelsonインターフェロメーターを使用して,新しいファイバーブラッグ格レーティング (FBG) デモドレーションスキームを導入しています. このシステムは,高精度な温度とストレスの測定のための例外的な精度を達成します.

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    Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
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    Optimized Sealing Process and Real-Time Monitoring of Glass-to-Metal Seal Structures
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    関連する実験動画

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    Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing
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    Optimized Sealing Process and Real-Time Monitoring of Glass-to-Metal Seal Structures
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    科学分野:

    • オプトエレクトロニクス (光電子機器)
    • ファイバー光学センサーです.
    • インターフェロメトリー (インターフェロメトリー)

    背景:

    • ファイバー・ブラッグ・グリット (FBG) は,センシング・アプリケーションに不可欠です.
    • 高精度のデモジュレーションは,正確なFBGベースの測定に不可欠です.
    • 既存の方法は,高速と精度の両方を達成する上で課題に直面しています.

    研究 の 目的:

    • FBGのための高精度信号解調スキームを開発する.
    • FBGベースのセンシングシステムの精度と速度を向上させる.
    • 調節可能なFBGとインターフェロメトリーを活用して,波長のシフト再構築を改善します.

    主な方法:

    • ミシェルソン干渉計 (MI) とピエゾ電気トランスデューサー (PZT) を併設して調節した,多波長調節可能なFBG (CMWT-FBG) を利用しました.
    • Savitzky-Golay (S-G) のフィッティングアルゴリズムを使用して,干渉信号の封筒ピークを正確に位置づけました.
    • 感知FBGの波長変化をカバーすることで,感知FBGの中央波長変動を再構築した.

    主要な成果:

    • 1.33×10−6°Cの温度精度を達成しました.
    • 1.04×10−5のストレイン精度を示した.
    • CMWT-FBGs-MIシステムは,高速かつ高精度な測定において競争上の優位性を示した.

    結論:

    • 提案されたスキームは,FBG信号のデモジュレーションの有意な進歩を提供します.
    • このシステムは,高精度センサーアプリケーションのための堅牢なプラットフォームを提供します.
    • この研究は,先進的な光学センサー技術のさらなる開発をサポートします.