【摘要】 研究了有界弦横向强迫振动时弦上波速的色散现象.实验测量结果表明:由弦的张力和线密度决定的弦上的波速(T/ρ)~1/2不一定是常量,在一定的条件下,弦的波速会随着弦驻波的波长长度(弦长)改变而变化.更多还原

【Abstract】 An experimental study on the "dispersion" phenomena of string standing waves was carried out.The experimental results showed that wave velocity on a taut string(or wire) determined by T/ρ was not a constant.It might change with the wave-length or the length of a string.更多还原