Device and method for testing influences of direct-current transmission line harmonic on noise of communication line
A technology of direct current transmission lines and communication lines, which is applied in the direction of line transmission monitoring/testing, line transmission parts, transmission monitoring, etc. It can solve the problems of difficulty in ensuring the accuracy of outdoor research and high research costs, and achieve the goal of improving accuracy and reducing costs Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0024] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0025] The test device for the influence of the harmonics of the DC transmission line on the noise of the communication line shown in Fig. , telephone set 5 and switch 6, wherein, the two ends of copper wire 3 are all connected with harmonic generator 4, and described resistance R1 is connected in series on copper wire 3, and one end of twisted-pair telephone line 2 is connected telephone set 5, double The other end of twisted telephone line 2 connects switch 6, and switch 6 is also connected with the far-end telephone set 7 that is arranged on the outside of electric wave anechoic chamber 1, and it also comprises that is used for replacing telephone set 5 and far-end telephone set 7 when testing. Two non-inductive resistors 8, and two noise meters 9 for respectively testing the equivalent noise electromotive force of the two non-inductive resis...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com