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PDM |
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PDM (1) (Product Data Management) An information system used to manage the data for a product as it passes from engineering to manufacturing. The data includes plans, geometric models, CAD drawings, images, NC programs as well as all related project data, notes and documents. A PDM also manages the interrelationships between the data so that when changes are made to one database, the effects are highlighted in the others. PDMs are developed for workgroups as well as the entire enterprise. See PLM.(2) (Pulse Density Modulation) A modulation technique that generates fixed-width pulses to represent the amplitude of an analog input signal. Like its variable-width pulse width modulation (PWM) cousin, the output switching transistor is on more of the time for a high-amplitude input signal and off more of the time for a low-amplitude signal. PDM is used for audio signals in a variety of applications from cellphones to Sony's SACD music format. See PWM and Class D amplifier. PDM (industrial engineering) (communications)
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No references found | A joint venture between PDM Group, the UK's leading food waste recycler, and SARIA Bio-Industries, one of Europe's leading food-chain recycling businesses is set to revolutionise the UK's anaerobic digestion (AD) sector. The PDM produces cumulative patient reports, Levey-Jennings QC graphs, analyzer calibration logs, preventative maintenance logs, corrective and cumulative action logs, QC lot reports, daily patient logs, and more. PDM is heavily used to support data warehousing applications, especially in multi-vendor environments with very large data movement requirements. |
PDM |
Pdksh Pdksh PDKT PDKV pdl pdl pdl pdl pdl-ft PDL2 PDLA pDLB PDLBL PDLC PDLCD PDLD PDLF PDLG PDLI PDLL PDLL PDLLA PDLM PDLN PDLP PDLS PDLT PDLU PDLV PDM PDM-CSPDM/IDE PDM3.1 PDMA PDMB PDMC PDMD PDME PDMEE PDMEN PDMF PDMG PDMHK PDMHS PDMI PDMIN PDML PDMLR PDMM PDMMS PDMN PDMO PDMP PDMR | |||||||
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