| 702 / | HD | DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING |
| 127 | DF | MEASUREMENT SYSTEM {15} |
| 189 | ![]() | .~ Measured signal processing {3} |
| 190 | DF | .~.~> Signal extraction or separation (e.g., filtering) {2} |
| 198 | DF | .~.~> Measurement conversion processing (e.g., true-to-RMS value) |
| 199 | DF | .~.~> Averaging |