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  2. Phase dispersion minimization - Wikipedia

    en.wikipedia.org/wiki/Phase_dispersion_minimization

    Phase dispersion minimization (PDM) is a data analysis technique that searches for periodic components of a time series data set. It is useful for data sets with gaps, non- sinusoidal variations, poor time coverage or other problems that would make Fourier techniques unusable.

  3. PDP-15 - Wikipedia

    en.wikipedia.org/wiki/PDP-15

    PDP-15 console. The PDP-15 was the fifth and last of the 18-bit minicomputers produced by Digital Equipment Corporation. The PDP-1 was first delivered in December 1959 [3]: P.4 and the first PDP-15 was delivered in February 1970. [4] More than 400 of these successors to the PDP-9 (and 9/L) were ordered within the first eight months. [3]: p.16

  4. Product data management - Wikipedia

    en.wikipedia.org/wiki/Product_data_management

    Product data management (PDM) is the name of a business function within product lifecycle management (PLM) that denotes the management and publication of product data. [1] In software engineering, this is known as version control. The goals of product data management include ensuring all stakeholders share a common understanding, that confusion ...

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  6. Precedence diagram method - Wikipedia

    en.wikipedia.org/wiki/Precedence_Diagram_Method

    The precedence diagram method (PDM) is a tool for scheduling activities in a project plan. It is a method of constructing a project schedule network diagram that uses boxes, referred to as nodes, to represent activities and connects them with arrows that show the dependencies. It is also called the activity-on-node (AON) method.

  7. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    CAD: computer-aided design, computer-aided drafting; cadmium [plating]: CAGE: Commercial and Government Entity [code]: A CAGE code is a unique identifier to label an entity (that is, a specific government agency or corporation at a specific site) that is a CDA, ODA, or MFR of the part defined by the drawing.

  8. Polarization-division multiplexing - Wikipedia

    en.wikipedia.org/wiki/Polarization-division...

    Polarization-division multiplexing (PDM) is a physical layer method for multiplexing signals carried on electromagnetic waves, allowing two channels of information to be transmitted on the same carrier frequency by using waves of two orthogonal polarization states.

  9. Participative decision-making in organizations - Wikipedia

    en.wikipedia.org/wiki/Participative_decision...

    Participative decision-making (PDM) is the extent to which employers allow or encourage employees to share or participate in organizational decision-making. [1] According to Cotton et al., the format of PDM could be formal or informal. [ 2 ]