# 惠更斯原理 - Huygens' Principle

波传播、次级子波和波前包络构建的交互式可视化

> 标准页面: https://elysiatools.com/zh/visualizations/huygens-principle

- **分类:** Physics

## 概述

Interactive visualization of Huygens' Principle demonstrating wave propagation, secondary wavelets, and wavefront envelope construction. Features both planar (linear) and circular wavefront modes with animated wave propagation. Interactive controls for wave speed (50-200 px/s), number of wavefront points (5-30), point spacing (20-80 px), wave frequency (0.5-3.0 Hz), and wavelength (40-150 px). Real-time visualization of original wavefront (blue), secondary spherical wavelets emanating from each point, and the new wavefront formed by their envelope (red dashed line). Adjustable display settings: toggle original wavefront, secondary wavelets, envelope, wavefront points, and propagation animation. Historical wavefront display shows wave evolution over time. Educational content covers Huygens' three key principles: (1) each point on a wavefront acts as a source of secondary spherical wavelets, (2) secondary waves spread outward in all directions, (3) the envelope of all secondary wavelets forms the new wavefront. Wave speed equation v = λ·f (wavelength × frequency) displayed with formulas. Applications include diffraction (wave bending around obstacles), reflection (angle equality), refraction (Snell's Law), and interference. Multi-language support (zh, en, es, fr, de, ru, pt).

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