Surface mapping and 3-D parametric analysis

• US 20030006990A1
• Filed: 05/24/2002
• Published: 01/09/2003
• Est. Priority Date: 05/31/2001
• Status: Abandoned Application

• Current Assignee: Lecroy Corporation (Teledyne Technologies Incorporated)
• Original Assignee: Lecroy Corporation (Teledyne Technologies Incorporated)
• Inventors: Gamper, Roland, Salant, Lawrence Steven
• Application Number:
  US10/155,655
• Publication Number:
  US 20030006990A1
• Time in Patent Office: Days
• US Class Current: 345/440.1
• CPC Class Codes: G01R 13/0236 for presentation of more than one variable
• CPC Class Codes: G01R 13/345 for displaying sampled signals by using digital processors by intermediate A.D. and D.A. convertors (control circuits for CRT indicators)

Abstract

A display for displaying acquired waveforms from an oscilloscope. An x-axis measurement designating time during an acquisition trace, a y-axis measurement designating one or more acquisition traces, and a z-axis measurement designating an amplitude at at least one point of one or more of the acquisition traces are provided. The z-axis is indicated by a color difference, thereby displaying a surface map.

Claims

1. A display for displaying acquired waveforms from an oscilloscope, comprising:

an x-axis measurement designating time during an acquisition trace;

a y-axis measurement designating one or more acquisition traces; and

a z-axis measurement designating an amplitude at at least one point of one or more of said acquisition traces;

wherein said z-axis is indicated by a color difference, thereby displaying a surface map.

2. The display of claim 1, wherein each acquisition trace is displayed after decimation.

3. The display of claim 1, wherein each acquisition trace is displayed after binning the values thereof.

4. The display of claim 3, wherein a peak value of said binned values is displayed.

5. The display of claim 3, wherein an average value of said binned values is displayed.

6. The display of claim 1, wherein a selected number of acquisition traces are displayed out of a plurality of acquisition traces stored by said oscilloscope.

7. The display of claim 1, wherein said surface map is processed before being displayed.

8. The display of claim 1, wherein a trend of a predetermined number of parameter values is created and compared to a subsequent trend created of the same predetermined number of parameter values.

9. The display of claim 1, further comprising a saturation control, said saturation control defining a high saturation amplitude value and a low saturation amplitude value between which all available colors are displayed.

10. The display of claim 1, wherein said surface map displays voltage versus time waveforms.

11. The display of claim 1, wherein said surface map displays an FFT (fast fourier transform).

13. The method of claim 12, wherein each acquisition trace is displayed after decimation.

14. The method of claim 12, wherein a selected number of acquisition traces are displayed out of a plurality of acquisition traces stored by said oscilloscope.

15. The method of claim 12, wherein said surface map may be processed before being displayed.

16. The method of claim 12, wherein a trend of a predetermined number of parameter values is created and compared to a subsequent trend created of the same predetermined number of parameter values.

17. The method of claim 12, further comprising the step of:

providing a saturation control, said saturation control defining a high saturation value and a low saturation value between which all available colors are displayed.

18. The method of claim 12, wherein said surface map displays voltage versus time waveforms.

19. The method of claim 12, wherein said surface map displays an FFT (fast fourier transform).

12. A method for displaying acquired waveforms from an oscilloscope, comprising:

displaying an x-axis measurement designating time during an acquisition trace;

displaying a y-axis measurement designating one or more acquisition traces; and

displaying a z-axis measurement designating an amplitude at at least one point of one or more of said acquisition traces;

wherein said z-axis is indicated by a color difference, thereby displaying a surface map.

20. A surface map displayed on a display, comprising:

an x-axis measurement designating time during an acquisition trace from an oscilloscope;

a y-axis measurement designating one or more of said acquisition traces; and

a z-axis measurement designating an amplitude at at least one point of said one or more acquisition traces;

wherein said z-axis is indicated by a color difference.

21. The surface map of claim 20, wherein one or more predetermined measurements are made along a cut in said surface map.

22. The surface map of claim 21, wherein said predetermined measurements comprise amplitude.