... до 20м и в телесном угле до 60°. The results of experimental researches of perceived textual information quality from explosion-proof luminous displays by several manufacturers in dependence of lighting conditions, distances and sight level are given. Materials and methods Testing was conducted by two methods: the method of appraisal by points and the method of paired comparison. To conduct the testing and get results of subjective appraisals, all the displays to be tested ...

Отсортировано по релевантности | Сортировать по дате