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関連する概念動画

Passive Filters01:27

Passive Filters

1.0K
Passive filters are utilized to shape the frequency spectrum of signals across a diverse array of applications. These filters, using only passive elements like resistors (R), inductors (L), and capacitors (C), are capable of selectively allowing or blocking certain frequency ranges without the need for external power sources.
Low-Pass Filters
Low-pass filters are designed to transmit signals with frequencies lower than the cutoff frequency, ωc, and attenuate those above it. The cutoff...
1.0K
Active Filters01:25

Active Filters

1.4K
Active filters are electronic circuits that use operational amplifiers (op-amps), resistors, and capacitors to filter out unwanted frequency components from a signal. A first-order low-pass active filter is designed to pass signals with a frequency lower than a certain cutoff frequency and attenuate frequencies higher than that cutoff frequency. The transfer function for a first-order low-pass active filter is:
1.4K
Molecular Models02:00

Molecular Models

43.9K
Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.
43.9K
Lewis Acids and Bases02:33

Lewis Acids and Bases

48.5K
In 1923, G. N. Lewis proposed a generalized definition of acid-base behavior in which acids and bases are identified by their ability to accept or to donate a pair of electrons and form a coordinate covalent bond.
A coordinate covalent bond (or dative bond) occurs when one of the atoms in the bond provides both bonding electrons. For example, a coordinate covalent bond occurs when a water molecule combines with a hydrogen ion to form a hydronium ion. A coordinate covalent bond also results when...
48.5K
Weak Base Solutions03:21

Weak Base Solutions

25.5K
Some compounds produce hydroxide ions when dissolved by chemically reacting with water molecules. In all cases, these compounds react only partially and so are classified as weak bases. These types of compounds are also abundant in nature and important commodities in various technologies. For example, global production of the weak base ammonia is typically well over 100 metric tons annually, being widely used as an agricultural fertilizer, a raw material for chemical synthesis of other...
25.5K
Base Excision Repair01:54

Base Excision Repair

26.5K
One of the common DNA damages is the chemical alteration of single bases by alkylation, oxidation, or deamination. The altered bases cause mispairing and strand breakage during replication. This type of damage causes minimal change to the DNA double helix structure and can be repaired by the base excision repair (BER) pathways. BER corrects damaged DNA sequences by removing the damaged base and restoring the original base sequence using the complementary strand as a template.
The first step of...
26.5K

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関連する実験動画

Updated: Feb 15, 2026

Structure-Based Simulation and Sampling of Transcription Factor Protein Movements along DNA from Atomic-Scale Stepping to Coarse-Grained Diffusion
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Structure-Based Simulation and Sampling of Transcription Factor Protein Movements along DNA from Atomic-Scale Stepping to Coarse-Grained Diffusion

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カルマンフィルターとモンテカルロシミュレーションに基づく検索モデル.

Jinhan Liu1, Yujing Li1, Xuhua Liu1

  • 1College of Science, China Agricultural University, Beijing, Beijing, China.

PloS one
|February 13, 2026
PubMed
まとめ

この研究では,捜索・救助活動中に潜水艦の位置を予測するためのカルマンフィルターモデルとモンテカルロシミュレーションを導入します. この方法は,行方不明の潜水艦の可能性のある領域と配置点を計算することによって,検索の効率を高めます.

科学分野:

  • 海洋ロボティクスと自律システム
  • 捜索・救助技術について
  • 海洋学モデリング

背景:

  • ダイナミックな海洋環境のため,困った潜水艦の位置を特定することは困難です.
  • 潜水艦の位置を正確に予測することは,効果的な捜索・救助 (SAR) 活動に不可欠です.
  • 既存の方法は,複雑な水中シナリオに必要な精度が欠けている可能性があります.

研究 の 目的:

  • 欠陥または欠陥潜水艦の位置を予測するための高度な方法を開発すること.
  • 予測モデリングを使用してSARミッションに堅実な情報サポートを提供すること.
  • 困った潜水艦の位置を正常に特定する確率を向上させるため.

主な方法:

  • 海の環境をシミュレートするためにHYCOMモデルを使用しました.
  • カルマンフィルターモデルをリアルタイムで潜水艦の位置を予測するために適用しました.
  • 事故後の潜水艦位置の確率分布を分析するためにモンテカルロシミュレーションを使用した.
  • マルチターゲットの追跡のための近隣相関アルゴリズムを導入しました.

主要な成果:

  • 初期捜索展開のための最小平面投影面積を定量的に決定した.

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The Application of Open Searching-based Approaches for the Identification of Acinetobacter baumannii O-linked Glycopeptides
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関連する実験動画

Last Updated: Feb 15, 2026

Structure-Based Simulation and Sampling of Transcription Factor Protein Movements along DNA from Atomic-Scale Stepping to Coarse-Grained Diffusion
09:17

Structure-Based Simulation and Sampling of Transcription Factor Protein Movements along DNA from Atomic-Scale Stepping to Coarse-Grained Diffusion

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Pattern-based Search of Epigenomic Data Using GeNemo
06:38

Pattern-based Search of Epigenomic Data Using GeNemo

Published on: October 8, 2017

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The Application of Open Searching-based Approaches for the Identification of Acinetobacter baumannii O-linked Glycopeptides
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The Application of Open Searching-based Approaches for the Identification of Acinetobacter baumannii O-linked Glycopeptides

Published on: November 2, 2021

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  • 潜水艦の検出の確率を時間とともに,および累積的な検索努力で分析した.
  • 比較分析を通じて提案された方法の進歩を示した.
  • 同じ領域内の複数の潜水艦の動きを成功裏に予測した.

    • 結論:

    • 提案されたカルマンフィルターとモンテカルロシミュレーションアプローチは,潜水艦の捜索・救助効率を大幅に高めます.
    • この方法は,潜水艦の位置を予測し,検索戦略を最適化するための信頼できる枠組みを提供します.
    • 最寄りの相関アルゴリズムの統合により,多潜水艦の追跡能力が向上する.