baseline

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baseline

a line at each end of a tennis court that marks the limit of play

baseline

The straight line between two observational points, as between the elements of an interferometer (see radio telescope). The longer the baseline between two radio telescopes, the finer the detail that can be resolved in a radio source. See also LBI; VLBI.

Baseline

A standard measure or perceived common level of performance at a given point in time, against which design objectives and/or performance targets may be set against to achieve improved design outcomes or performance standards.

baseline

baselineclick for a larger image
i. The shorter arc of the great circle joining the master and slave station of a pair of radio-transmitting stations.
ii. A yardstick for comparing an existing and a new system or aircraft. In this case, the former serves as a baseline.

baseline

baseline

The horizontal line to which the bottoms of lowercase characters (without descenders) are aligned. See typeface.
References in periodicals archive ?
By arriving at a better understanding of budget baselines, this Article helps to inform a number of key fiscal debates and makes recommendations for how to improve budget measures going forward.
Since it is proposed, it has been used more widely in InSAR terrain height estimation and its height estimation accuracy analysis, system design and performance analysis [17,18], interferometric phase statistics characteristic analysis [19], flat earth effect derivation [20], baseline estimation [21], noise reduction and layover solution based on multi-baseline InSAR [22,23] and so on.
Recommendation: To strengthen its baselines, facilitate external and independent reviews of those baselines, ensure effective oversight of the BMDS, and further improve transparency and accountability of its efforts, and to improve clarity, consistency, and completeness of the baselines reported to Congress, the Secretary of Defense should ensure that MDA, for resource baselines, in meeting new statutory requirements to include a cost estimate in each acquisition baseline for a program element, take steps to ensure these cost estimates are high quality, reliable cost estimates that are documented to facilitate external review.
In climates where the energy code prescribes exterior insulating sheathing on metal stud walls, a design with metal studs and no exterior insulating sheathing will perform worse than the ECB and Appendix G baselines.
The weekly non-promoted volume, or baseline, is the benchmark from which all calculations measuring activities that drive additional volume are assessed.
The smooth upward course of outlays in Figure 1 masks the rather dramatic tensions evident in multiyear baselines over the twenty-year period shown in Figure 2.
Since many ground-based DF systems must instantaneously cover 360 [degrees], their baseline antennas must be omnidirectional in azimuth (vertical dipoles are very common).
Recommendation: Because independent baseline reviews have not always provided reasonable assurance of the stability of projects' near-term baselines or the reasonableness of the life cycle baselines, the Secretary of Energy should direct the Director of the Office of Management to assess the Office of Engineering and Construction Management's current approach and process for conducting baseline reviews of EM cleanup projects to identify and implement improvements that will better provide reasonable assurance that project work scope can be completed within the baselines' stated cost and schedule.
SOAComply lets organizations model any baseline set of conditions that suits their needs.
No statistical significance existed between treatment groups at baseline for gender, age, pre-study duration of disease, EDSS scores, and pre-study two-year relapse rates.
Baselines are estimates of how much volume a product would have generated without in-store trade promotion activity, enabling clients to measure the incremental impact of their promotions.
Baselines the frame relay network: The baseline is a first step to proactive management of the frame relay network.