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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 3. Отображено 3.
20-10-2010 дата публикации

Method for detecting and classifying fabric defects

Номер: CN0101866427A
Автор: LINGLING CUI, JING LI, YIHONG LI, CHAOYANG LU, BO QU, HUAKAI SUN, YU ZHANG, CUI LINGLING, LI JING, LI YIHONG, LU CHAOYANG, QU BO, SUN HUAKAI, ZHANG YU
Принадлежит:

The invention discloses a method for detecting and classifying fabric defects and mainly aims to solve the problem of automatic detection and classification of fabric defects. The method comprises the following steps of: firstly, detecting a picture of the fabric defects, filtering the picture by using a Gabor filter group, selecting an optimal filtering result and performing binaryzation on the optimal filtering result by using a reference picture so as to position the positions of the defects in the picture; secondly, extracting a compound characteristic consisting of a Gabor characteristic and a partial binary model characteristic according to the positions of the defects; thirdly, performing pre-treatment on the compound characteristic by main constituent analysis and generalized discriminant analysis algorithm; fourthly, training a neural network classifier by using a pre-treated defect characteristic; and lastly, realizing accurate classification of a fabric defect characteristic ...

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Номер записи: 1
08-12-2010 дата публикации

High-voltage isolation protective circuit

Номер: CN0101908754A
Автор: YONG LI, ZHIGANG WANG, XIAO FU, LINGLING CUI, WANPENG LI, LI YONG, WANG ZHIGANG, FU XIAO, CUI LINGLING, LI WANPENG
Принадлежит:

The invention relates to a high-voltage isolation protective circuit, which comprises a power source unit, a leakage detecting unit, a comparing unit and an isolation output unit. A positive input end and a negative input end of the leakage detecting unit are connected with a winding and a shell of a work drive motor respectively, and two output ends of the leakage detecting unit are connected with the comparing unit; the isolation output unit comprises a photoelectric coupler, the input end of the photoelectric coupler is connected with the output end of the comparing unit, and the output end of the photoelectric coupler is connected with a control device; the power source unit is used for providing the power source for the comparing unit and the isolation output unit; the comparing unitis used for detecting resistance of the input end of the leakage detecting unit, and transmitting a false signal to the isolation output unit if the resistance of the input end is lower than a set value ...

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Номер записи: 2
15-12-2010 дата публикации

Development machine

Номер: CN0101915096A
Автор: ZHIGANG WANG, XIAO FU, LINGLING CUI, WANPENG LI, YANG LIU, WANG ZHIGANG, FU XIAO, CUI LINGLING, LI WANPENG, LIU YANG
Принадлежит:

The invention relates to a development machine, which comprises a cutting arm and a machine body, wherein the front end of the cutting arm is provided with a cutting head; a control device is built in the machine body, and controls the action of the cutting arm by a cutting motor; the cutting arm is provided with infrared sensors; the infrared sensors are connected with the control device, detectinfrared signals and transmit the infrared signals to the control device; and the control device locks the cutting motor. The infrared sensors of the development machine detect the existence or inexistence of constructors ahead, generate induction signals if detecting the existence of the constructors, and transmit the induction signals to the control device; and the control device converts the induction signals into control instructions and locks the cutting motor to disable the cutting arm to be started or stop the running of the cutting arm so as to prevent the constructors ahead from being injured ...

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Номер записи: 3