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List of contents of this article:

• 1, The concept of system error
• 2, The concept of error
• 3, Definition of system error
• 4, The definition of system error and its classification?
• 5、 What is "system error"?
• 6, What is system error Difference

The concept of system error

1. System error refers to the difference between the measurement results and the real value caused by the inherent deviation of factors such as instruments, methods or environment during the measurement or experiment. Definition and characteristics of system error: System error is the most common type of error in measurement or experiment.

2. System error refers to a non-random error. For example, the bias error that violates the random principle, the error caused by the registration record in the sampling, etc. It makes the overall characteristic value too high or too low in the sample.

3. System error refers to a non-random error. Under repetitive conditions, the difference between the average of the results obtained by infinitely many measurements of the same measurement and the true value of the measured.

4. System error, also known as determinable error, is caused by certain certain reasons in the measurement process.System errors can be divided into: (1) Method error Errors caused by imperfect analysis methods.

5. System error is also called regular error. It is that under certain measurement conditions, when the same measured size is repeatedly measured, the size and symbol of the error value (positive value or negative value) remain unchanged; or the error changes according to a certain law when the conditions change.

6. According to the cause and nature of error, it can be divided into two categories: system error and accidental error. 1. System error will occur due to the imperfect structure of the instrument or the instrument is not well calibrated. For example, the hot expansion and cold contraction of various scales, inaccurate scales of thermometers and dials, etc. will cause errors.

The concept of error

1. Difference. Error is the difference between the measured value of the physical quantity and its actual value. In the process of experiment or measurement, due to the influence of various factors, the completely accurate measured value of the physical quantity cannot be obtained, so it is necessary to evaluate the accuracy and reliability of the measurement results through error.

2. Error refers to the difference between the measured value and the real value.Due to the limitations of instruments, experimental conditions, environment and other factors, the measurement cannot be infinitely accurate. There will always be a certain difference between the measured value of physical quantities and the objective real value. This difference is the measurement error. Errors are inevitable and can only be reduced.

3. When measuring, the difference between the measurement result and the actual value is called error. Basic classification In physical experiments, the measurement of the physical quantity to be measured is divided into two categories: direct measurement and indirect measurement. Direct measurement can be compared with the measuring instrument to be measured, and the results can be obtained directly.

4. There are positive and negative errors. For example, the maximum allowable error of the micrometer with a measurement range of 0 to 25mm and a scale value of 0.01mm shall not exceed ±2mm; level 1 shall not exceed ±4mm.

Definition of system error

1. System error refers to the tendency of large or small observation results in the process of data collection and measurement due to inaccuracy of instruments, non-standard standards and other reasons. This error is called system error.

2. Systematic error (Systematic error) Under repetitive conditions, the difference between the average value of the result obtained by infinitely many measurements of the same measured subject and the true value of the measured value. System error is a kind of error caused by some fixed reasons in the analysis process. It is repetitive, one-way and measurable.

3. System error, also known as definite error, is an error caused by a certain cause. Generally, there is a fixed direction (positive or negative) and size, and it occurs repeatedly when measured repeatedly.According to the source of error, system error can be divided into method error, instrument error, reagent error and operation error, etc.

The definition of system error and its classification?

System error can be divided into instrument error, theoretical error, operation error and reagent error. System error refers to a non-random error. For example, the bias error that violates the random principle, the error caused by the registration record in the sampling, etc. It makes the overall characteristic value too high or too low in the sample.

Classification of errors: system errors, random errors, coarse errors. System error: Under the same conditions, when the same amount is measured multiple times, the absolute value and symbol of the error remain constant or the error changes according to a certain law.

Errors can be divided into system errors, random errors and errors according to their nature and causes.System error: also known as measurable error, constant error or bias.

According to the source of the error, the system error can be divided into method error, instrument error, reagent error and operation error, etc. ( 1) Method error Method error is caused by the imperfection or improper selection of the analysis method itself.

Different definitions. Random errors, also known as accidental errors and indeterminate errors, are mutually compensatory errors formed by a series of small random fluctuations of relevant factors in the measurement process. System error refers to a non-random error.

What is "system error"?

1. System error refers to a non-random error. For example, the bias error that violates the random principle, the error caused by the registration record in the sampling, etc.It makes the overall characteristic value too high or too low in the sample.

2. System error SE refers to the difference between the average of the results obtained by infinitely many measurements of the same measurement and the true value of the measured under repeated conditions. It can be divided into: constant system error and proportional system error.

3. System error refers to the difference between the measurement results and the real value under specific conditions. System errors can be caused by many factors such as measuring equipment, experimental design, operators, etc., which will affect the accuracy and reliability of the experimental results.

What is system error

System error refers to a non-random error. For example, the bias error that violates the random principle, the error caused by the registration record in the sampling, etc.It makes the overall characteristic value too high or too low in the sample.

System error refers to the difference between the measurement results and the real value caused by the inherent deviation of factors such as instruments, methods or environment during the measurement or experiment. Definition and characteristics of system error: System error is the most common type of error in measurement or experiment.

System error refers to the difference between the measurement results and the real value under specific conditions. System errors can be caused by many factors such as measuring equipment, experimental design, operators, etc., which will affect the accuracy and reliability of the experimental results.

System error SE refers to the difference between the average value of the results obtained by infinitely many measurements of the same measured subject and the true value of the measured under repeated conditions. It can be divided into: constant system error and proportional system error.

System error, also known as measurable error, is caused by some common causes in the process of analysis operation.

System error refers to the deviation caused by the influence of instruments, equipment, environment and other factors in measurement or experiment. It refers to a fixed and predictable deviation, which is usually caused by the long-term impact of certain factors in the measurement process, which have the same impact in each measurement.