6.1 Referenced Documents
- a. Allied Environmental Conditions and Test Publication (AECTP) 300, "Climatic Environmental Tests" (under STANAG 4370), Method 315.
- b. NATO STANAG 4370, Environmental Testing.
- c. Environmental Standards for Materiel Design Group of the AirLand Battlefield Environment Executive (ALBE) Committee (1987), “Environmental Factors and Standards for Atmospheric Obscurants, Climate, and Terrain”, Washington, D.C.
6.2 Related Documents
- a. AR 70-38, Research, Development, Test and Evaluation of Materiel for Extreme Climatic Conditions.
- b. MIL-HDBK-310, Global Climatic Data for Developing Military Products.
- c. Synopsis of Background Material for MIL-STD-210B, Climatic Extremes for Military Equipment. Bedford, MA: Air Force Cambridge Research Laboratories, 24 January 1974. DTIC number AD-780-508.
- d. NATO Allied Environmental Conditions and Test Publication (AECTP) 230, "Climatic Conditions".
- e. Egbert, Herbert W. "The History and Rationale of MIL-STD-810 (Edition 2)", January 2010; Institute of Environmental Sciences and Technology, Arlington Place One, 2340 S. Arlington Heights Road, Suite 100, Arlington Heights, IL 60005-4516.
(Copies of Department of Defense Specifications, Standards, and Handbooks, and International Standardization Agreements are available online at https://assist.dla.mil.
Requests for other defense-related technical publications may be directed to the Defense Technical Information Center (DTIC), ATTN: DTIC-BR, Suite 0944, 8725 John J. Kingman Road, Fort Belvoir VA 22060-6218, 1-800-225-3842 (Assistance--selection 3, option 2), http://www.dtic.mil/dtic/; and the National Technical Information Service (NTIS), Springfield VA 22161, 1-800-553-NTIS (6847), http://www ntis.gov/.
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METHOD 525.2
TIME WAVEFORM REPLICATION CONTENTS
| Paragraph | Page |
|---|---|
| 1. SCOPE | 1 |
| 1.1 PURPOSE | 1 |
| 1.2 APPLICATION | 1 |
| 1.2.1 TIME WAVEFORM REPLICATION | 1 |
| 1.2.2 SESA TIME WAVEFORM REPLICATION. | 2 |
| 1.2.3 TIME TRACE | 2 |
| 1.2.4 GENERAL CONSIDERATIONS AND TERMINOLOGY | 2 |
| 1.2.5 TIME-VARYING TIME TRACE-PHYSICAL PHENOMENON | 3 |
| 1.2.6 GENERAL TWR TEST PHILOSOPHY WITH REGARD TO TIME TRACE SIMULATION (AND SCALING). | 5 |
| 1.3 LIMITATIONS | 7 |
| 2. TAILORING GUIDANCE | 8 |
| 2.1 SELECTING THE TWR METHOD | 8 |
| 2.1.1 EFFECTS OF TRANSITION TO TIME TRACE TWR. | 8 |
| 2.1.2 SEQUENCE AMONG OTHER METHODS.. | 8 |
| 2.2 SELECTING A PROCEDURE | 8 |
| 2.3 DETERMINE OF TEST LEVELS AND CONDITIONS. | 8 |
| 2.3.1 GENERAL CONSIDERATIONS | 9 |
| 2.4 TEST ITEM OPERATION | 9 |
| 3. INFORMATION REQUIRED. | 10 |
| 3.1 PRETEST | 10 |
| 3.2 DURING TEST. | 10 |
| 3.3 POST-TEST | 10 |
| 4. TEST PROCESS. | 11 |
| 4.1 TEST FACILITY | 11 |
| 4.1.1 PROCEDURE I-THE SESA REPLICATION OF A FIELD MEASURED MATERIEL TIME TRACE INPUT/RESPONSE | 11 |
| 4.1.2 PROCEDURE II-THE SESA REPLICATION OF AN ANALYTICALLY SPECIFIED MATERIEL TIME TRACE INPUT/RESPONSE. | 11 |
| 4.2 CONTROLS | 11 |
| 4.2.1 CALIBRATION | 11 |
| 4.2.2 TOLERANCES.. | 11 |
| 4.3 TEST INTERRUPTION | 14 |
| 4.3.1 INTERRUPTION DUE TO LABORATORY EQUIPMENT MALFUNCTION | 14 |
| 4.3.2 INTERRUPTION DUE TO TEST MATERIEL OPERATION FAILURE | 14 |
| 4.3.3 INTERRUPTION DUE TO A SCHEDULED EVENT | 15 |
| 4.3.4 INTERRUPTION DUE TO EXCEEDING TEST TOLERANCES.. | 15 |
| 4.4 INSTRUMENTATION. | 15 |
| 4.5 TEST EXECUTION | 16 |
| 4.5.1 PREPARATION FOR TEST.. | 16 |
| 4.5.1.1 PRELIMINARY STEPS | 16 |
| 4.5.1.2 PRETEST CHECKOUT | 17 |