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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 3. Отображено 3.
09-05-2023 дата публикации

Feature selection method and device

Номер: CN116089808A
Автор: LIANG ZHENG, DU WEN, SHI JIANWEN, HE ZHIDONG, HOU JUNCHENG, WANG JUQUAN, YANG BO, LIU QI, LU SHENEN, XIA YUPENG, YANG ZHONGWEN, ZHENG JIA, MU QING, CHOU CHANG-HUNG, CHENG MINGHAN, WANG YANHAI, FU CHENGPENG, ZHAO FUWANG, CHEN HAO
Принадлежит:

The invention discloses a feature selection method and device, and the method comprises the steps: obtaining a plurality of pieces of input data, and carrying out the statistical analysis of discrete text features contained in each piece of input data and a plurality of numeric features corresponding to each discrete text feature; dividing the numeric feature corresponding to each discrete text feature into a plurality of numeric subintervals; obtaining a text tag value and a numerical tag value corresponding to each discrete text feature according to the tag value corresponding to the numerical sub-interval where each numerical feature is located; and performing feature selection by using the text label numerical value and the numerical value label numerical value, and training the prediction model according to a feature selection result. According to the method, two related features of a numerical type and a discrete type are considered at the same time, the two related features are subjected ...

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Номер записи: 1
30-06-2023 дата публикации

Method for predicting corn yield based on unmanned aerial vehicle

Номер: CN116362387A
Автор: CHENG MINGHAN, SUN CHENGMING
Принадлежит:

The method for predicting the corn yield based on the unmanned aerial vehicle is used for accurately predicting the corn yield in a farmland, on one hand, the current growth condition of corn can be reliably described, and on the other hand, effective support is provided for formulating field management measures. A traditional on-site harvest yield prediction method needs to invest a large amount of manpower and material resources, the accuracy is influenced by subjective factors, and the method for performing high-throughput yield prediction by using the unmanned aerial vehicle not only can liberate the labor force, but also can effectively improve the efficiency. The high and stable yield of grains is of great significance to current agricultural production in China, timely and efficient prediction of the corn yield is a basis for agronomic measure and policy making, and the method plays an important role in early prediction of the corn yield. The invention aims to provide the method ...

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Номер записи: 2
07-04-2023 дата публикации

Method for monitoring crop moisture condition based on unmanned aerial vehicle, storage medium and equipment

Номер: CN115931774A
Автор: CHENG MINGHAN, SUN CHENGMING
Принадлежит:

The invention provides a method for monitoring the crop moisture condition based on an unmanned aerial vehicle, a storage medium and equipment, and aims to accurately monitor the field crop moisture condition, so that on one hand, the crop growth condition can be reliably described, and on the other hand, effective support is provided for field moisture management and irrigation system formulation. A traditional field sensor measurement method needs to invest a large amount of manpower and material resources, the accuracy is affected by subjective factors, and the method for carrying out high-throughput monitoring through an unmanned aerial vehicle can liberate labor force and can also effectively improve the monitoring efficiency. Agricultural water saving is of great significance to current agricultural production in China, accurate and efficient monitoring of crop moisture conditions is a part of realization of accurate irrigation and agricultural water saving, and the method plays an ...

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Номер записи: 3