科学套件 – 波和声

包含30项学生实验的大型设备机组，采用40kHz超声波样例论证波形的基本特性。保存在一个牢固的Gratnell托盘中，托盘内嵌泡沫衬层，按照仪器形状模塑凹槽，并以透明盖遮盖。内有实验操作说明CD。带有两个超声波发射器、一个利用标准示波器记录和分析振幅的杆状颤躁传感器，和一支超声波笔，用于沿着工作台面记录波前，波前表现为同相位的线形（等相线）。许多实验无需使用示波器，也能进行。许多情况下，只需使用一个频率范围足够大的可改变电流的模拟电压表，就足以测量超声振幅。 ... 更多

The acoustics kit allows students to carry out numerous experiments on acoustics independently. A wide variety of sound sources are studied to begin with and the concepts of noise, bangs and tones as well as pitch and loudness are investigated ... 更多

  Equipment set for investigating propagation of sound and determining the speed of sound in solid rods of various materials. The set includes various test rods, two microphone probes and a microphone box for connection ... 更多

•  Directions of sound •  Determining differences in time for sound  to propagate to left and right ears •  Effect of linear distortions on cavity resonance Equipment set for investigation of ... 更多