NBS Technical NoteU.S. Government Printing Office, 1972 - Physical instruments |
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Page 45
... NOTE 737 OF MICHIGAN ایان 1972 U.S. PARTMENT OF COMMERCE National Bureau of ENGINEERING LIBRARY Interior / Exterior Noise Levels of Over - the - Road Trucks : Report of Tests I 81 LLIST M ¿ SITY 4A 1811 0 . Standards 249 - A.
... NOTE 737 OF MICHIGAN ایان 1972 U.S. PARTMENT OF COMMERCE National Bureau of ENGINEERING LIBRARY Interior / Exterior Noise Levels of Over - the - Road Trucks : Report of Tests I 81 LLIST M ¿ SITY 4A 1811 0 . Standards 249 - A.
Page iii
... Exterior Measurements b . Interior Measurements 2.5 . Data Analysis . 3. Test Results . 4. References . • · • · • PAGE 1 . . . . 2 233 55 6 6 9 10 · 11 305 Figure 1 . List of Figures and Illustrations View of test section showing ...
... Exterior Measurements b . Interior Measurements 2.5 . Data Analysis . 3. Test Results . 4. References . • · • · • PAGE 1 . . . . 2 233 55 6 6 9 10 · 11 305 Figure 1 . List of Figures and Illustrations View of test section showing ...
Page iv
... exterior microphone locations for all test runs for vehicle number 1 . • · Truck 1 , Test 1 , Runs 1,2 . ( Exterior ) . Truck 1 , Test 2 , Run 4. ( Exterior ) Truck 1 , Test 2 , Runs 5,6 . ( Exterior ) . Truck 1 , Test 3 , Runs 7,8 . ( ...
... exterior microphone locations for all test runs for vehicle number 1 . • · Truck 1 , Test 1 , Runs 1,2 . ( Exterior ) . Truck 1 , Test 2 , Run 4. ( Exterior ) Truck 1 , Test 2 , Runs 5,6 . ( Exterior ) . Truck 1 , Test 3 , Runs 7,8 . ( ...
Page v
... ( Exterior ) Truck 2 , Test 4 , Runs 13,14 . ( Exterior ) Truck 2 , Test 5 , Runs 15,16 . ( Exterior ) Truck 2 , Test 5 , Run 18. ( Exterior ) .. • Maximum A - weighted sound levels as measured at the two interior microphone locations for ...
... ( Exterior ) Truck 2 , Test 4 , Runs 13,14 . ( Exterior ) Truck 2 , Test 5 , Runs 15,16 . ( Exterior ) Truck 2 , Test 5 , Run 18. ( Exterior ) .. • Maximum A - weighted sound levels as measured at the two interior microphone locations for ...
Page vi
... ( Exterior ) ( Exterior ) ( Exterior ) ( Exterior ) ( Exterior ) . ( Exterior ) ( Exterior ) ( Exterior ) ( Exterior ) 68 • · 22 70 71 72 73 · 74 · 75 76 · • 77 • 78 · 79 290 · Maximum A - weighted sound levels as measured at the six ...
... ( Exterior ) ( Exterior ) ( Exterior ) ( Exterior ) ( Exterior ) . ( Exterior ) ( Exterior ) ( Exterior ) ( Exterior ) 68 • · 22 70 71 72 73 · 74 · 75 76 · • 77 • 78 · 79 290 · Maximum A - weighted sound levels as measured at the six ...
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Common terms and phrases
1001 MICROPHONE 5.00 CDC OVERLAY 70 100 MICROPHONE A-weighted A-weighted sound levels additional for foreign amended amplitude ASTM bonds Bureau of Standards CALL OVERLAY CDC OVERLAY GROUP Center character CODEN commerce computer tape dB(A detectors devices diodes DOUBLE PRECISION dropout effects Engine Exterior FOLLOWING SUBPROGRAMS foreign mailing FORTRAN input Interior IOTAPE Left Closed levels as measured magnetic field magnetic tape Maximum A-weighted sound MICROPHONE 2 MICROPHONE MICROPHONE 5 90 microphone locations National Bureau NBS Tech OMNITAB output parameter card permanent magnet Photoconductive photoconductive decay phototypesetting Print-through probe pull strength pulse recorded related material resistance Right Open runs for vehicle SECONDS Figure segment semiconductor signal level silicon SOUND LEVEL specimen Standard Reference STARTING WITH CARD STORAGE UNITS STRING switch Technical Note Technology temperature test runs thermal TPCD transistor Truck vehicle number VERSION 5.00 CDC wearing apparel wire bonds WRITE IOTAPE
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