reference line


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reference line

[′ref·rəns ‚līn]
(navigation)
A line from which angular or linear measurements are reckoned. Also known as datum line.

reference line

Any line which can serve as a reference or base for the measurement of other quantities.
References in periodicals archive ?
Here the discrepancy in height measurements between microCT and digital calliper can be explained by the observers' inability to accurately create a starting point by demarcating a single reference line on the Collum mandibulae (neck of mandible) for both modalities of measurement.
To see the multifunctionality, two reference lines were drawn, one of which lies between the plane of relative cost (133[18]) and energy density (1000mWh.m-3 [13]) of a commercial supercapacitor.
The uppermost limit of the tumor in the cranial direction was determined and CC distance to the reference line (CC_BT) was measured (Figure 1b).
For Holdaway line, normal value LL should touch the reference line or line -1 to -2 mm.
Spatial separation between the measured point and reference line is known as an Abbe offset [8].
This reference line represents the interconnection of the tuberculum sella anteriorly with the diaphragm sella insertion point posteriorly.
The estimated reference lines and sample windows are also shown in Fig.
Before compensation, the actual strains all stay below the reference line in Figure 5.
TMs were divided into four regions: 20-40%, 40-60%, 60-80%, and 80-100% on the reference line. They were carried in 4% PFA, followed by the esterase staining protocol.
The reference line represents zero residuals between the predicted and actual values.
It can be seen that the gold market has significant volatility aggregation; that is, one large fluctuation of the return sequence during a certain period of time follows another fluctuation, among which, the left side of the reference line is the parameter estimation sample, and the right side is the prediction training sample.
In regional and long-haul networks, WaveLogic Ai establishes 200G and 300G as the new reference line rates for backbone transmission, doubling capacity and dramatically lowering cost per bit.