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This is one method of performing a process commonly known as clock and data recovery (CDR). Other methods include the use of a delay-locked loop and oversampling of the data stream. [1] Oversampling can be done blind using multiple phases of a free-running clock to create multiple samples of the input and then selecting the best sample. Or, a ...
Echarts: Apache 2.0 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes [45] No Yes Yes Frappe Charts: MIT Yes Yes No Yes Yes Yes Yes No No No No No No Yes No No No No Yes Yes Yes No Yes No Yes No FusionCharts: Proprietary: Free for personal and non-commercial uses. [46] Paid for commercial applications ...
For each record we undo the changes (using the information in the Undo field) and write a compensation log record to the log file. If we encounter a Begin Transaction record we write an End Log record for that transaction. The compensation log records make it possible to recover during a crash that occurs during the recovery phase.
The Zoomdata web software also includes a Data DVR with a "Live mode" [19] feature so dashboard visualizations can be updated in near-real-time, paused, rewinded, and fast-forwarded at different speeds. Zoomdata claims that their product is intended for business users to explore "modern" [20] data on their own.
A time–distance diagram is a chart with two axes: one for time, the other for location. The units on either axis depend on the type of project: time can be expressed in minutes (for overnight construction of railroad modification projects such as the installation of switches) or years (for large construction projects); the location can be (kilo)meters, or other distinct units (such as ...
In this graphical technique, the graph appears as a sequence of horizontal steps. Alternatively, each time period can be viewed as a detached point in time, usually at an integer value on the horizontal axis, and the measured variable is plotted as a height above that time-axis point. In this technique, the graph appears as a set of dots.
The following examples assume time in the horizontal axis versus frequency in the vertical axis. As a coincident, the following transformations happen to have the motion properties in the time-frequency distribution.
Panel data is the general class, a multidimensional data set, whereas a time series data set is a one-dimensional panel (as is a cross-sectional dataset). A data set may exhibit characteristics of both panel data and time series data. One way to tell is to ask what makes one data record unique from the other records.