多普勒效应实验系统（无线版）

评测依据

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• time_range：{"from":"2026-06-26 02:53:11","to":"2026-06-26 02:53:11"}
• intros：{"brand_intro":"朗威是上海教育装备领域的领军品牌，专注于数字化实验系统开发，产品覆盖物理、化学、生物等多学科。品牌以\"数字化、智能化、网络化\"为特色，其传感器与数据采集系统被教育部推荐为中小学实验室标配设备，多次参与国家级教育装备标准制定。","product_intro":"该套件采用无线蓝牙传输技术，声源模块与接收器可独立移动，支持实时数据采集与电脑/平板端软件分析。包含可变速电动小车、无线声源、无线接收器、充电底座及专用分析软件。实验时软件自动绘制频率-时间曲线，支持数据导出与多组对比，适合探究式学习与创新实验。","key_specs":["无线传输距离：≥10m","频率分辨率：0.01Hz","采样率：1000Hz","电池续航：连续使用4小时","软件支持：Windows/iOS/Android","包含配件：电动小车×1、无线声源×1、无线接收器×1、充电底座×1"]}
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