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SAE J1805_198704

Заменен
SOUND POWER LEVEL MEASUREMENTS - EARTHMOVING MACHINERY (DOZER, LOADER, EXCAVATOR, AND BACKHOE) - IN PLACE DYNAMIC - SOUND PRESSURE LEVEL OR SOUND INTENSITY METHOD
The requirements for setting up and operating the machinery, the microphone array and hemispherical measurement surface are given in this document. This document shall be used in conjunction with manufacturer's recommendations pending finalization of ANSI documents on the subject of sound intensity procedures. The accompanying sound intensity procedure clarification is provided pending more widespread understanding of sound intensity.
Тематика
Exterior lighting
Noise
Tests and Testing