Adding parametricplot3d in only z axis

Question

I am trying to add this parametric plot only in the z-axis (right now when I add it expands in the x,y, and z), the effect of this summation would be addition of amplitudes of the sine waves. Here is what I have now. http://imgur.com/j9hN7VR

Here is the code I am using to implement it:

frequency = 1000;
speed = 13397.2441;
wavelength = speed/frequency;
s = (r - 2);
t = (r - 4);
u = (r - 6);
v = (r - 8); 
ParametricPlot3D[{{r*Cos[q] - 4, r*Sin[q], Sin[(2*Pi)/wavelength*(r)]},
  {s*Cos[q] - 2, s*Sin[q], Sin[(2*Pi)/wavelength*(s + wavelength/4 - 1)]},
  {t*Cos[q], t*Sin[q], Sin[(2*Pi)/wavelength*(t + wavelength/4 + 0.5)]},
  {u*Cos[q] + 2, u*Sin[q], Sin[(2*Pi)/wavelength*(u + wavelength/4 + 1.65)]},
  {v*Cos[q] + 4, v*Sin[q],  Sin[(2*Pi)/wavelength*(v + wavelength/4 + 3.5)]}},
  {r, 0, 25}, {q, 0, Pi}, PlotPoints -> 30, Mesh -> 20, PlotRange -> {{-25, 25}, {0, 35}, {-6, 6}}]

Any suggestions would be greatly appreciated!

Answer 1

不幸的是我找不到答案，所以我最终只是在MATLAB中进行仿真，而不是在字段中（矩阵中）生成所有值，然后像我在这里尝试的那样求和。