III. ESTABLISHING EVALUATION MODEL
According to the characteristics of the TT&C software, which are high reliability, security and real-time, referring to responding standards, we establish the quality evaluation model of TT&C software. The model defines comprehensive evaluation factors [2], including: software quality characteristics and the degree of software engineering. According to software quality characteristics and sub- characteristics which are defined in the model , each quality requirement of tested software should be concretely analyzed to determine the characteristics and sub- characteristics which should be tested and to develop metric items of each sub-characteristic. When establishing the model, We sufficiently considerate concrete characteristics of tested software to enhance real-time, reliability and security testing. We also invite experts in the field to determine the weight coefficients using a 0-4 score.
The quality evaluation model of TT&C software is shown in Table 1 (in the last page of this document). Using the 0-4 scoring method, we determine the comprehensive evaluation factors, software quality characteristics, software quality sub-characteristics and the weight coefficients of metric items. Among them, the weight coefficient of the software quality characteristics is 0.75, the weight coefficient of software engineering is 0.25.
The progress of software quality evaluation is following:
1) Using (1) and test results, we can calculate the values of metric items, characteristics and characteristics respectively from which we can obtain comprehensive evaluation value of quality characteristics.
III. ESTABLISHING EVALUATION MODEL
According to the characteristics of the TT&C software, which are high reliability, security and real-time, referring to responding standards, we establish the quality evaluation model of TT&C software. The model defines comprehensive evaluation factors [2], including: software quality characteristics and the degree of software engineering. According to software quality characteristics and sub- characteristics which are defined in the model , each quality requirement of tested software should be concretely analyzed to determine the characteristics and sub- characteristics which should be tested and to develop metric items of each sub-characteristic. When establishing the model, We sufficiently considerate concrete characteristics of tested software to enhance real-time, reliability and security testing. We also invite experts in the field to determine the weight coefficients using a 0-4 score.
The quality evaluation model of TT&C software is shown in Table 1 (in the last page of this document). Using the 0-4 scoring method, we determine the comprehensive evaluation factors, software quality characteristics, software quality sub-characteristics and the weight coefficients of metric items. Among them, the weight coefficient of the software quality characteristics is 0.75, the weight coefficient of software engineering is 0.25.
The progress of software quality evaluation is following:
1) Using (1) and test results, we can calculate the values of metric items, characteristics and characteristics respectively from which we can obtain comprehensive evaluation value of quality characteristics.
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