Abstract: A multi-mode switching simulation training system based on a real centralized traffic control (CTC) system, including a center platform and a plurality of student platforms connected to the center platform through a network, where the center platform includes a first management module and a first training system connected to the first management module; each student platform includes a second management module and a second training system connected to the second management module; and the first management module is configured to control the start and stop of the first training system, and the second management module is configured to control the start and stop of the second training system, so as to switch a training mode of the multi-mode switching simulation system. The present invention can achieve the purposes of individual training for dispatchers, individual training for attendants, joint training for the dispatchers and the attendants, and skills competition.

Abstract: An antenna system includes: a first group of MIMO antennas including a first dual-band antenna arranged at first corner of the base, a second dual-band antenna arranged on a first side of the base, a first single band antenna arranged at a second corner of the base, a second single band antenna parallel to the base; a second group of MIMO antennas including a third single band antenna vertically arranged in a third corner of the base, a fourth single band antenna arranged at a fourth corner of the base, a fifth single band antenna in planar structure, a sixth single band antenna arranged between the first single band antenna and the third single band antenna; a first isolation component arranged between the second dual-band antenna and the fifth single band antenna; a second isolation component arranged between the second single band antenna and the sixth single band antenna.

Abstract: An antenna system, installed on a base, includes: a first group of MIMO antennas, including multiple first MIMO antennas, and each first MIMO antenna is provide with a grounding structure and a fence like structure perpendicular to the base; a second group of MIMO antennas, comprising multiple second MIMO antennas, and each second MIMO antenna is a planar structure, arranged on a substrate, and the substrate is fixed to the base through a support column and the substrate is parallel to the base; a third group of MIMO antennas, comprising multiple third MIMO antennas, and each third MIMO antenna includes a dielectric structure and a wire structure perpendicular to the base, and the wire structure excites the dielectric structure; an AUX antenna, provided with a T-shaped slot parallel to the base.

Abstract: The present invention relates to a battery component and an assembly process thereof. The battery component includes a box body, cells, electrical connection side plates, and electrical connectors. The electrical connection side plate is installed on an inner sidewall of the box body, the electrical connector is movably assembled on the electrical connection side plate with a plurality of degrees of freedom, and an insertion/removal channel is disposed on the electrical connector. The cell is detachably disposed inside the box body, and a pole of the cell is plug-connected to the insertion/removal channel. In the present invention, repair costs are reduced, maintenance efficiency is improved, and a cell-to-module or cell-to-pack tolerance is absorbed.

Abstract: This disclosure relates to modified immunoglobulins.

Abstract: This disclosure relates to modified immunoglobulins.

Abstract: A test program generation method, a test program generation device, a computer readable storage medium, and an electronic equipment are disclosed. The test program generation method includes: acquiring a configuration information of the memory and a test logic for the memory; determining at least one type of test program components from a preset test program component library according to the test logic; and acquiring a test program according to the configuration information by combining a plurality of test program components. Types of the plurality of test program components are included in the determined at least one type of test program components. The test program generation method not only meets different test requirements and matches different test conditions, but also avoids coding errors and improve the efficiency and accuracy in generating a memory test program.

Abstract: Provided are a light-emitting diode and a semiconductor device.

Abstract: A collision data processing method and apparatus, a storage medium, a program product, and an electronic device are provided. The collision data processing method includes: determining a target collision body in a virtual scene, the target collision body being a convex polyhedron having vertices; obtaining distance relations between the respective vertices on the target collision body, the distance relations characterizing a shape feature of the target collision body; and transforming the target collision body into a regular geometry object according to the distance relations, wherein the regular geometry object is configured to obtain collision data of the target collision body when the target collision body collides with another virtual object in the virtual scene. This application solves a technical problem of relatively low processing efficiency caused by a high operation difficulty in processing collision data in a related technology.

Abstract: An electronic device interfaced with a multiple digital signatures security engine, internally or externally, which enable the device to obtain PUF-based security credentials with the option to generate multiple unique digital signatures from the same source of PUF entropy. The multiple digital signatures security zone includes a source of PUF entropy dynamically measurable, a non-volatile memory storage media and a digital circuitry performing all the functions requested by the electronic device interfaced. The electronic device is able to select and switch between which unique digital signature to be involved for its related cybersecurity applications without depending on power-up sequences or single time operations after power-up sequence.

Abstract: This disclosure relates to modified immunoglobulins.

Abstract: The present disclosure provides a method, a device and a terminal for testing a memory chip. The method may include setting an attack mode and random attack parameters, generating a random attack command according to the attack mode and random attack parameters, attacking the memory chip according to the random attack command, and testing the attacked memory chip and generating a test result. This method is able to simulate various types of attacks and can thus perform a suitable test on the memory chip for the types of the actual attack. In addition, since the attacks can be randomized to any memory cell of the memory chip, testing of the whole memory chip is made possible.

Abstract: The present invention discloses a method for separating and purifying polysaccharides from Ganoderma spores. The method includes ultrasonically extracting defatted Ganoderma spore powder and filtering with a plate and frame filter press to obtain a filtrate, and then precipitating the filtrate by passing sequentially through ethanol with a mass concentration of 75% and ethanol with a mass concentration of 85%, and filtering, to obtain polysaccharides which have a significant inhibitory effect on transplanted tumors in animals.

Abstract: An antenna system and an electronic device are provided. The antenna system includes a first substrate, a first antenna group, and a second antenna group. The first antenna group includes four first antennas that are disposed on a peripheral area of the first substrate. The second antenna group includes four second antennas that are disposed in an array on a second substrate. The four second antennas of the second antenna group are disposed above a central area of the first substrate. The central area of the first substrate has a recess. The second substrate is disposed above the recess. A first predetermined distance is defined between a bottom of the second substrate and the recess of the first substrate. A second predetermined distance is defined between the second substrate and the first substrate. The first predetermined distance is greater than the second predetermined distance.

Abstract: Disclosed is a texture presentation apparatus driven by a high-density flexible electromagnetic coil array, including a surface layer and a driving layer. The surface layer is in direct contact with the fingertip of a finger to ensure interaction safety of a user, is capable of adjusting the friction force when the finger touches and slides on the surface layer, and has a shielding and protection effect on the driving layer; the driving layer includes a stretchable soft substrate and a plurality of micro driving units, each micro driving unit is independently controllable, the driving layer adjusts the microscopic geometric morphology of a texture surface; the texture presentation apparatus is capable of implementing multi-scale fine texture presentation; when the fingertip comes into contact with the surface layer, the texture presentation apparatus controls, based on different surface textures of an object to be simulated in a virtual environment.

Abstract: A chip testing method, device, electronic apparatus, and computer readable medium are provided, relating to the field of chip testing. The method includes: determining a language rule of a chip to be tested; determining product and timing specifications of the chip to be tested; selecting a test pattern from a test pattern library according to the language rule and the product and timing specifications; generating a test code according to the product and timing specifications and the test pattern; and automatically testing the chip to be tested by using the test code. The chip testing method, device, electronic apparatus and computer readable medium can automatically generate a big-data test code for complex memories, and rapidly generate, in a standardized way, test codes for DDR4 memories of different specifications, thereby improving the efficiency of chip product verification analysis.

Abstract: Disclosed is a texture presentation apparatus driven by a high-density flexible electromagnetic coil array, including a surface layer and a driving layer. The surface layer is in direct contact with the fingertip of a finger to ensure interaction safety of a user, is capable of adjusting the friction force when the finger touches and slides on the surface layer, and has a shielding and protection effect on the driving layer; the driving layer includes a stretchable soft substrate and a plurality of micro driving units, each micro driving unit is independently controllable, the driving layer adjusts the microscopic geometric morphology of a texture surface; the texture presentation apparatus is capable of implementing multi-scale fine texture presentation; when the fingertip comes into contact with the surface layer, the texture presentation apparatus controls, based on different surface textures of an object to be simulated in a virtual environment.

Abstract: A game screen rendering method is provided for a terminal. The method includes obtaining scene data of a game screen, the scene data being used for constructing a game scene and an element included in the game scene, selecting a target rendering mode from n pre-configured rendering modes, n being an integer greater than 1, rendering the scene data using the target rendering mode to generate the game screen, and displaying the game screen.

Abstract: A test program generation method, a test program generation device, a computer readable storage medium, and an electronic equipment are disclosed. The test program generation method includes: acquiring a configuration information of the memory and a test logic for the memory; determining at least one type of test program components from a preset test program component library according to the test logic; and acquiring a test program according to the configuration information by combining a plurality of test program components. Types of the plurality of test program components are included in the determined at least one type of test program components. The test program generation method not only meets different test requirements and matches different test conditions, but also avoids coding errors and improve the efficiency and accuracy in generating a memory test program.