Unverified50% confidenceSolutionExact time

In the digital domain, envelope detection is typically simulated by taking the absolute value of a signal and then applying a low-pass filter, which is equivalent to the combination of a diode and RC filter in an analog circuit.

1

Sources

50%

Confidence

Long-term

Relevance

9/29/2026

First Seen

Sources

Simulating an Airband AM Radio Station: A Digital Signal Processing Experiment

Related Entities

包络检波concept Low-pass filterconcept

Related Claims

Unverified经典washout算法使用高通滤波器处理高频运动信号直接驱动平台，用低通滤波器处理低频信号通过倾斜重力分量模拟持续加速度70% similar UnverifiedAn ideal low-pass filter corresponds to an infinitely extended sinc function in the spatial domain, and applying it to finite-length signals produces the Gibbs phenomenon (ringing effect).66% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/958257

API

curl https://kongchang.com/api/v1/knowledge/claims/958257

MCP

get_claim(id=958257)