7results about How to "Reduce association" patented technology

A flexible marshalling system for trains is used for flexibly marshalling a plurality of unit trains and comprises a plurality of flexible marshalling vehicle-mounted units and a plurality of flexible marshalling management units. Data interaction is performed between the plurality of flexible marshalling vehicle-mounted units and the plurality of flexible marshalling management units, between the plurality of flexible marshalling vehicle-mounted units and between the plurality of flexible marshalling management units; if only one flexible marshalling management unit exists, data interaction between the flexible marshalling management units does not need to be carried out; each flexible marshalling vehicle-mounted unit is respectively arranged on each unit train to acquire the running state information of the unit train to which the flexible marshalling vehicle-mounted unit belongs; the flexible marshalling management unit calculates train marshalling indication information according to all the running state information; and the flexible marshalling vehicle-mounted unit controls the operation of the unit train according to the train marshalling indication information. The train operation safety can be guaranteed, and the train marshalling flexibility is improved.

A flexible marshalling system of a train is used for flexible marshalling of multiple unit trains, and the flexible marshalling system comprises a plurality of flexible marshalling on-board units and a plurality of flexible marshalling management units; the plurality of flexible marshalling on-board units and the plurality of flexible marshalling management units, the plurality of flexible marshalling on-board units, and the plurality of flexible marshalling management units interact with each other; if there is only one flexible marshalling management unit, the data interaction between the flexible marshalling management units is not needed; each flexible marshalling on-board unit is arranged on each unit train to obtain the running state information of the unit train; the flexible marshalling management unit calculates train marshalling instruction information according to all the running state information; and the flexible marshalling on-board unit controls the operation of the unit train according to the train marshalling instruction information. The present application can ensure the safety of train operation and improve the flexibility of train marshalling.

The application provides a complementary embedding image encryption method based on an improved cross-coupled mapping lattice, which comprises the following steps: establishing an improved sine cross-coupled mapping lattice model; based on a plaintext image, generating a secret key by SHA-384 and an original image, and calculating model parameters and initial values according to the secret key; detecting the plaintext image, identifying and obtaining airport coordinates, randomly selecting a coordinate point, and obtaining a visual confusion image through a complementary embedding algorithm; iterating the established sine cross-coupled mapping lattice model to obtain a matrix, converting the matrix into a one-bit array, taking the last rxc data to obtain b; distributing an initial matrix and iterating to an appropriate size to obtain a fractal disorder matrix; selecting the first r rows and the first c columns to form a one-dimensional array, sorting the one-dimensional array to obtain an index array; performing synchronous dynamic scrambling and diffusion operations on three channels R, G and B in a color image respectively to obtain a sub-encrypted image corresponding to each channel. The sub-encrypted images are assembled into a final encrypted image C.

The application relates to a negative electrode sheet, a battery and an electric device. The negative electrode sheet comprises a negative electrode current collector layer and a negative electrode material layer which are arranged in a stack, the negative electrode material layer comprises a carbon-based negative electrode material, a negative electrode binder and a first additive, the negative electrode binder comprises lithium polyacrylate, and the structural formula of the first additive is

The invention relates to a data interaction method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: responding to a first data acquisition request sent by an account; wherein the first data acquisition request carries data index information; querying a data object corresponding to the data index information, and returning the data object to the account; responding to a second data acquisition request sent by the account; wherein the second data acquisition request carries an encrypted sub-object of the data object; and based on a preset key, decrypting the encrypted sub-object to obtain a sub-data object, and returning the sub-data object to the account. By adopting the method, the data leakage risk can be reduced.

The application discloses a kind of MR information backfilling method and system based on big data, method steps include: obtaining the S1-MME data and S1UHTTP data of mobile terminal, and according to the S1-MME data and S1UHTTP data extraction key information data;The key information data is classified and normalized based on time series, to obtain the linear relationship of key information data;MR original data of mobile terminal is obtained, the MR original data is aggregated and classified, and the MR original data after aggregation classification is flattened, to obtain flattened MR data;The linear relationship of the flattened MR data and key information data is fused to fill MR data with information backfilling.The application solves the problem that the data correlation time of 100 million data is relatively long, improves the backfilling rate and accuracy through linear time queue, so that MR data carries key information, simplifies the backfilling process.