measurement is
measurement
Measuring and measurement are important concepts in software engineering. According to the standard dictionary of software engineering terms, measurement is a quantitative measurement of a given attribute of a system, component, or process. It is established by collecting the results of one or more data points. For example, the number of errors found in a module review is a measure. And measurement was a means of measuring or indicating something that could not be directly measured, observed, or expressed. It is an estimate or measurement of length, size, or capacity, usually expressed in numerical units. In software engineering, software engineers collect measurement results to produce measurements and obtain indicators. Therefore, measurement and measurement are related and complementary concepts in software engineering.
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2025-01-11 04:49
Photographic measurement
Photogrammetry was a technique that used a combination of a camera and film to measure the shape, size, and spatial position of a target. It used the image of the object to reconstruct the spatial position and three-dimensional shape of the object, thereby obtaining the spatial information of the ground or other objects. The core problem was to use the two-dimensional image to obtain the three-dimensional coordinates of the target. Since the invention of photography by Nippes and Dayle in 1839, photogrammetry had a history of more than 170 years. It had gone through three stages: simulation photogrammetry, analytical photogrammetry, and digital photogrammetry.
In modern times, the principle of photogrammetry was similar to a puzzle. By capturing and stitching image information to create a digital model of the physical world, images were like " puzzle pieces." The more images captured and collected, the more realistic and detailed the 3D model. The effect depended on the quality of the data set, so the correct shooting method was very important.
Photogrammetry is divided into aerial photogrammetry and ground photogrammetry. Aerial photosurveying placed the camera in the air for large or difficult to access areas. It was one of the widely used methods of establishing a geographical database in the field of forest and natural resource management. Ground photosurveying focused on the focus of the measurement object, usually relying on images taken by a hand-held camera or a camera fixed on a tripod. It could quickly collect field data and capture more detailed images.
There was also a professional term like control point in photogrammetry. It was a control point that was directly measured on the spot for photogrammetry encryption or map measurement. It was the basis for photogrammetry control encryption and map measurement. It could correct errors caused by many factors. According to the use, it was divided into plane point, elevation point, or flat point, and there were corresponding selection and measurement requirements.
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2026-06-29 20:11
Online measurement
The online measurement of rhyme was a method to measure poetry according to the rules of rhyme. For example,"Poetry My Love Network"'s "online measurement test" judged whether the work met the requirements of the meter according to the regular case of the meter poem. However, the test results needed to be analyzed in detail because the meter poem also had a change of case in addition to the regular case, such as "Aojiu". "Ao Jiu" included the types of self-rescue (small Ao) and antithesis rescue. The antithesis rescue could be divided into big Ao must be saved, small Ao can be saved or not saved, and so on. These were all factors that needed to be considered when conducting rhythmic detection and analysis. Some computer software developers had developed professional computer software such as the poetry meter detection component to meet the needs of poetry creators to detect the rhythm of poetry. It could also play a similar role in detecting the rhythm.
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2026-07-21 09:59
The measurement and control system
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2024-12-28 07:04
Distance measurement algorithm
The following is an algorithm for measuring distance with fingers (using the thumb as an example): Raise your right arm horizontally, make a fist with your right hand, and raise your thumb. Using his right eye (left eye closed), he overlapped the left side of his thumb with the target in a straight line. If the right arm and thumb were still, he would close his right eye and observe the left side of the thumb with his left eye. He would find that the boundary was a distance away from the right side of the target. He estimated the distance and multiplied it by 10. The result was the approximate distance to the target. This method required a certain amount of experience, and there were some objective things that could provide some reference. For example, the size of the house and the distance between the houses were generally about 10 meters, or the distance between the utility poles was 50 meters, the town utility poles were 100 meters, and the high-voltage power was 200 meters. He still needed to practice more to be able to use it skillfully, and the measurement error would be smaller. The other way was to place your thumb in front of you (with your arm fully extended) and close one eye. Hover your thumb over an object of known size (such as a car). In the case of not moving the thumb, close the open eye and open the other eye to estimate the distance that the thumb has "moved" relative to the object you are looking at. For example, the length of a car is known to be about 4.5 meters. If the thumb moves half of the length of the car (about 2.25 meters), multiply the result by 10 to obtain the approximate distance between the car and you (in this case, about 22.5 meters).
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2026-06-29 03:23
Yichang 2D measurement
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2026-08-01 20:19
What is the process of measurement
Measuring is a quantitative management process for achieving a variety of purposes.
From a management perspective, measurement was an important tool and method for managers to measure. Take the measurement of the IPD as an example. Its purpose included establishing a capability baseline to achieve a predictable product development process, measuring the business situation to identify problems and set goals to promote business capability improvement and continuous improvement, and supporting effective decision-making.
In terms of indicator design, it could be based on the balanced scorecard from the four aspects of finance, customer, internal management, innovation, and learning to reflect the idea of balanced development. It could also be designed using the five elements of business design, the nine elements of business canvas, KPA, and KPIs. At the same time, some principles must be followed, such as indicator layering (different levels focus on different measurement indicators), controllable (measurement indicators of a certain level should be controllable and improved by the level), indicators are complete sets (indicators can be extracted from different dimensions to measure different businesses and roles), measurement and assessment are divided into two steps, indicators can be measured, indicators are few but precise, there are indicators of the threshold, etc. The sources of indicators are diverse, including learning from industry best practices, supporting sub-process indicators, etc.
From the perspective of excellent practice in the measurement process, the measurement process should pay attention to the following aspects: start with a small scale, measure the key information needs first to obtain a better measurement return on investment; provide sufficient training to make the participants clear their responsibilities, facilitate communication, and make suggestions for improvement; minimize costs, collect and analyze data for the purpose of achieving project information needs, and try to automated data collection and reporting; It adopted an action-oriented approach to produce data as soon as possible to support the decision of the project manager; it paid attention to communication and ensured that it was timely, so that the project manager could fully understand the project status and make the right decision.
In Six Sigmas management, the process performance measurement indicators are divided into scattered data measurement indicators (such as the number of defects per unit DPu, the number of defects per opportunity DPo, the number of defects per million opportunities DPM, the final pass rate Pfy, the first pass rate FTY, the circulation pass rate RTY, etc.) and continuous data measurement indicators (such as process capability index CP, CPk, process performance index Pp, Ppk, etc.). These indicators used specific calculations to measure the process.
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2026-07-28 08:00
Is measurement a verb or a verb?
'measurement' could be used as a verb or a verb. When used as a verb, it means the process of measuring or evaluating a certain quantity or attribute with a certain standard or method, such as "measuring the length of an object"; when used as a verb, it can mean the general term for measuring the length, volume, weight, or tolerance of others, such as "he is very magnanimous".
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2026-07-27 14:42
A unit of measurement for spaceships
The number of spaceships was usually measured in units of "ships" or "bars". This was because a spaceship could be seen as a ship in a sense, and the words " Shou " and " Tiao " were more suitable for ships.
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2026-02-09 03:31
Data measurement system
Data measurement systems had different forms and meanings in different fields.
In terms of measuring R & D effectiveness, it was crucial to the digital transformation of enterprises. It was able to measure the R & D process, gain insight into business performance, identify bottlenecks or opportunities to improve efficiency, and allocate resources to provide support for decision-making to promote the optimization and improvement of R & D efficiency. Some problems were easy to occur when enterprises built R & D performance measurement systems. For example, it was easy to fall into partial measurement and ignore the overall consideration by prioritizing the cited indicators over the target/problem positioning. This was because the IT software R & D scene was unique and the business was complex. Everyone's work was not standardized. The business, technology, and teamwork requirements of the R & D task were different. Different organizations, companies, and products faced different business logic and R & D difficulties due to various factors. Therefore, the construction of a scientific and effective R & D efficiency measurement system should follow five logical processes, including identifying goals from the overall situation and dismantling problems, constructing a matching measurement system, accurately identifying and analyzing problems, finding solutions, and continuously tracking and optimization of the entire process.
In the Spark system, the measurement system was coupled to the system function at the code level. This kind of connection helped to monitor real-time, in-memory data more effectively. It abstracts the measurement source as Source. Source is a trait, which define two methods: sourceName (the name of the measurement source) and measureRepository (the current measurement source's register).
In terms of user experience, a measurement system was a method or data system to measure or evaluate user experience. The purpose was to measure user experience so that it could be improved. A scientific user experience measurement system usually had the characteristics of measurability (measurement can be collected and the data can be compared), measurability (the quality of the experience can be converted into measurable concepts such as the Retention rate), credibility and reliability (to ensure the consistent and stable results), and durability (trackable optimization is conducive to the comparison of cycles).
In terms of emergency supplies management, although there was no mention of a specific measurement system, the data visualization system involved the analysis of data related to emergency supplies through graphs, charts, maps, etc., which was also related to the measurement system. For example, it showed the reserve amount, distribution location, allocation, usage, etc. of emergency supplies to assist in decision-making.
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2026-07-20 05:13
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