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Anomalous indications in monitoring equipment onboard U.S. Navy vessels must be handled in a timely manner to prevent catastrophic system failure. The development of sensor data analysis techniques to assist a ship's crew in monitoring machinery and summon required ship-to-shore assistance is of considerable benefit to the Navy. In addition, the Navy has a large interest in the development of distance...
Analysis of digitized waveforms requires an understanding of the limitations of the acquisition hardware, an understanding of how digital sampling interacts with the waveform shape, and an understanding of how the desired measurements are influenced by the sampling operation. By paying attention to these considerations and following some general guidelines an acquisition system can be tuned to get...
This paper is about using sampling oscilloscopes to perform Vector Network Analysis measurements. This paper discusses algorithms and hardware required to make vector network measurements and then compares the measurements on a simple low pass filter to measurements taken by a vector network analyzer. Oscilloscopes and digitizers have been steadily increasing in bandwidth. At the same time Interchangeable...
For Aircraft Launch and Recovery Equipment (ALRE), the goal is to get planes in the air and ensure they land safely. Consequently, a high operational availability (Ao) is crucial to ALRE operations. In order to ensure high Ao, it is crucial that the amount of maintenance, both corrective and preventative, is kept to a minimum. Historically, improvements have been reactive in nature to satisfy the...
Testing of products throughout the manufacturing process results in a vast amount of data which is often analyzed in a post process model. Analysis of this data is typically limited to standard Six Sigma or statistical process control methodologies. This form of analysis is susceptible to overlooking correlations between differing test configurations as well as other non-intuitive relationships within...
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