Civil Engineering

车辆无关相干滤波器

Vehicle-independent coherence filter

A signal processing technique used to identify bridge modal frequencies from moving vehicles by filtering out vehicle-induced noise. / 一种用于从移动车辆中识别桥梁模态频率的信号处理技术，通过滤波消除车辆引起的噪声。

Knowledge type: 工艺技术
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-10-28 23:02:28

Sub-knowledge points

Drive-by modal identificationMulti-vehicle validationCrowd-sensing simulation

Higher-order knowledge points

Structural Health Monitoring (SHM)Bridge health assessment

Main parameters and performance indicators

Coherence threshold: Determines the minimum correlation required to distinguish bridge response from vehicle noiseSampling rate: High-frequency data acquisition necessary for accurate modal identification

Open problems

Long-term stability and calibration under varying environmental conditionsOptimal threshold selection for different bridge types and traffic scenarios

Related literature

ranked by community stars

Multi-vehicle validation and crowd-sensing simulation of a vehicle-independent coherence filter for drive-by bridge modal frequency identificationOpen source

车辆无关相干滤波器

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

Related products and links