532results about How to "Improve transmission performance" patented technology

The invention relates to the technical field of data transmission, and provides a data transmission method and device, electronic equipment, a storage medium and a program product.The method comprises the steps that resources needed by RDMA are initialized, and the initialization process comprises the steps of creating a registration memory of the RDMA and creating a plurality of work queue pairs according to different data transmission logics of a target data packet to be transmitted, each work queue pair corresponds to one data transmission logic; dividing a data buffer area in the registered memory into memory blocks with preset sizes; writing the to-be-transmitted target data packet into a data buffer area by taking a memory block as a unit; and selecting the corresponding target working queue based on the data transmission logic of the to-be-transmitted target data packet, and sending the to-be-transmitted target data packet in the data buffer area to an opposite end, or receiving data of the opposite end to the data buffer area. According to different data transmission logics, different working queues are selected to complete operation on the logic channels serving as data transmission, multiple pieces of data are transmitted in parallel, and transmission delay is reduced.

The invention discloses a signal transmission method and device based on joint index modulation, and belongs to the technical field of communication. Through the joint index modulation rule, accompanying transmission of the secret key of the multi-layer encrypted chaotic system is achieved, the rule has a certain constellation forming effect on a constellation diagram, and by optimizing the dual-mode index rule and the subcarrier index rule, optimized distribution of internal constellation points is achieved, and the transmission performance of signals is improved; in addition, only a legal receiving end can extract a correct key through a joint index rule for decryption and demodulation, and an illegal receiving end cannot realize correct demodulation due to the effect of multi-layer encryption and the loss of the key, so that high-safety and high-performance transmission of the key and the signal is ensured.

The invention discloses a battery and an electric device. The battery comprises an outer package, an electrode assembly and an electrolyte, the electrode assembly is arranged in the inner space of the outer package, and the electrolyte is filled in the inner space of the outer package; wherein the electrode assembly comprises a pole piece, the pole piece comprises a main body part and a plurality of convex parts, each convex part is formed by a part of the pole piece protruding towards one side of the main body part, and the center-to-center distance L between every two adjacent convex parts is larger than or equal to 0.5 mm and smaller than or equal to 4.0 mm; the viscosity of the electrolyte at 25 DEG C is eta, and 3.0 < = eta / L < = 7.0, so that the distance between two adjacent convex parts is matched with the viscosity of the electrolyte, the convex parts can provide enough support for the isolating membrane, the electrolyte can smoothly flow among the convex parts, better liquid storage is realized, the infiltration effect of the electrolyte is improved, local liquid shortage is prevented, and the service life of the isolating membrane is prolonged. And the transmission effect of ions between the pole piece and the diaphragm can be improved, the charge-discharge cycle performance of the battery can be improved, the adhesion between the pole piece and the diaphragm can be improved, and the overall interface consistency of the battery can be improved.

The invention discloses a graphene composite perovskite manganese oxide polycrystalline ceramic and a preparation method and application thereof, and belongs to the technical field of non-refrigeration high-sensitivity infrared detection. The chemical expression of the graphene composite perovskite manganese oxide polycrystalline ceramic is La < 0.81 > (Ca < 0.03 > Sr < 0.16 >) MnO3: Gy, G is graphene, y is the mass fraction of graphene in perovskite manganese oxide composite powder, and y is equal to 0.1-0.2%. The TCR value of the prepared polycrystalline ceramic can reach 30% or above, the Tk value is close to 300K, the polycrystalline ceramic has excellent adaptability to room temperature work and excellent sensitivity to temperature change, and when the polycrystalline ceramic is applied to an uncooled infrared detector, the detection precision of the uncooled infrared detector can be effectively improved.

The invention relates to the technical field of cables, and provides a low-voltage power supply cable which comprises a plurality of conductive cables, each conductive cable comprises a plurality of stranded conductors, and each stranded conductor is coated with an insulating layer; the plurality of insulating layers are arranged on the inner side of the inner lining layer, the plurality of stranded conductors are all arranged inside the inner lining layer, the space between the inner lining layer and the plurality of insulating layers is filled with a filling layer, the outer part of the inner lining layer is coated with a sheath layer, the end part of each sheath layer is slidably sleeved with the butt-joint cylinder, the stringing assembly is arranged on the butt-joint cylinder, and the heat dissipation assembly is arranged on the inner lining layer. A conductive frame is arranged between every two opposite butt joint cylinders, a conductive assembly is installed on each conductive frame, and a heat dissipation assembly is installed on each conductive assembly. Through the above technical scheme, the problems that in the prior art, due to the fact that high current density is prone to occurring at the butt joint position of two cables, the local temperature of a contact point rises, and the heat dissipation effect is poor are solved. And a gap is generated between the two cables, so that the current transmission performance is influenced.

The invention discloses a rechargeable magnesium battery composite electrolyte and a preparation method and application thereof, the electrolyte comprises an organic ether solvent, an electrolyte magnesium salt and an additive, and the additive is one or two of a sulfimide additive or a phosphate additive. By introducing the sulfimide additive into the organic ether solvent electrolyte containing the electrolyte magnesium salt, the kinetic performance of the electrolyte is remarkably improved under the mutual synergistic effect of all the components, the solvation structure of electrolyte magnesium ions is effectively regulated and controlled, the dissolution of the electrolyte magnesium salt is accelerated, the conductivity of the magnesium ions is improved, and the service life of the electrolyte is prolonged. Reversible electrochemical circulation of the magnesium symmetric battery under high current density is realized, the cycle life of the battery is prolonged, a phosphate ester additive is continuously introduced, a phosphorus-rich magnesium ion conductive interface film is formed on the surface of magnesium metal, the transmission capacity of Mg < 2 + > is enhanced, the overpotential and potential barrier of magnesium negative electrode dissolution / deposition are reduced, and the performance of the battery is improved. Therefore, the electrochemical reversibility and coulombic efficiency of the asymmetric battery are improved.

The invention provides a preparation method of a multi-element doped asphalt-based hard carbon material for a negative electrode of a sodium-ion battery, which comprises the following steps: (S1) mixing and crushing asphalt and zinc salt of organic acid, and pre-oxidizing in an oxygen-containing atmosphere to obtain pre-oxidized asphalt particles; (S2) uniformly mixing the pre-oxidized asphalt particles, N-containing aromatic polyaldehyde and 1-hydroxyethylidene-1, 1-diphosphonic acid, and carrying out heating reaction in an inert atmosphere to obtain modified asphalt particles; and (S3) carrying out high-temperature carbonization on the modified asphalt particles in an inert atmosphere to obtain the multi-element doped asphalt-based hard carbon material. Firstly, an asphalt precursor and organic acid zinc are mixed and then pre-oxidized, then a cross-linking agent containing N and a cross-linking agent containing P are added for cross-linking, the obtained hard carbon material has a short-range ordered structure, and the sodium storage capacity and the sodium ion transmission capacity are both improved. The hard carbon material obtained by the preparation method has high specific capacity and first coulombic efficiency, and the rate capability is also improved.

The invention discloses a polyurethane-based solid electrolyte as well as a preparation method and application thereof. The polyurethane-based solid electrolyte comprises a metal organic framework three-dimensional skeleton film and a composite polyurethane layer attached to the surface of the metal organic framework three-dimensional skeleton film, the metal organic framework three-dimensional framework film is metal organic framework modified glass fiber cloth; the composite polyurethane layer comprises polyurethane and metal organic framework particles embedded in a macromolecular network of the polyurethane in situ; a carbamate group of polyurethane and a three-dimensional skeleton of the metal organic framework form a hydrogen-bond interaction, so that the ion transmission performance and the mechanical performance are synergistically improved. The polyurethane-based solid electrolyte provided by the invention can promote lithium salt dissociation, inhibit anion migration, improve the ionic conductivity and the ionic transference number, and improve the charge-discharge stability; a large number of repetitive unit carbamate groups in polyurethane and a three-dimensional skeleton form hydrogen-bond interaction to synergistically promote rapid transmission of lithium ions, so that the transference number of the polymer electrolyte is increased, and the ion transmission performance and the mechanical performance are improved.

The invention provides an ordered traffic scheduling method based on dynamic priorities in a data center network. The method comprises the following steps of: performing priority distribution on each data packet of a sender; the switch collects flow information in real time and detects whether the priority queue is congested or not; and when the switch receives the data packet, the forwarding of the data packet is scheduled according to the priority of the data packet and the congestion condition of the priority queue. According to the method, different priority queues are adopted to cache data packets of different types of flows, it is ensured that data packets of urgent flows are not blocked by data packets of non-urgent flows, meanwhile, a switch utilizes a non-disorder flow scheduling mechanism based on dynamic priorities to ensure that the data packets arrive at a receiver in sequence, and the data packets are not blocked by the non-urgent flows. The flow completion time and the deadline missing rate are reduced to the maximum extent, and the transmission performance of a data center network can be greatly improved.

The invention is suitable for the technical field of data transmission, and provides an illumination lamp data transmission control method, which comprises the following steps of: acquiring data, state data and physiological health data by an illumination lamp; different priorities are set for each type of data, and different data are processed by adopting corresponding compression strategies; a multi-hop transmission ad hoc network is established between the lighting lamp and other nearby lighting lamps, and a network topology structure is dynamically adjusted; the lighting lamp evaluates an optimal sequence of various transmission paths transmitted to the monitoring center based on real-time information in the ad hoc network, and sets corresponding transmission paths and transmission strategies for different data according to priorities; the lighting lamp transmits the data with different priorities to the monitoring center hop by hop through a selected transmission path according to a set transmission strategy; and the monitoring center receives the data of the lighting lamps and carries out corresponding processing according to the priority of the data. According to the invention, the problems of stability, real-time performance and priority management of data transmission in an existing complex mine environment are solved.

The invention discloses a resource allocation method and system for a non-cellular large-scale system, and a storage medium. The method comprises the following steps: constructing a non-orthogonal multiple access-based non-cellular large-scale MIMO system model; determining a downlink data transmission rate model of the cellular-free large-scale MIMO-NOMA system; determining an optimization problem model based on the downlink data transmission rate model, wherein the objective of the optimization problem model is to maximize the rate of the cellular-free large-scale MIMO-NOMA system; based on the optimization problem model, obtaining a layered depth deterministic strategy gradient framework; according to a hierarchical depth deterministic strategy gradient framework, the networks are iteratively and mutually updated to obtain an optimal strategy; and carrying out resource allocation on the non-cellular large-scale MIMO-NOMA system based on the optimal strategy. By adopting the technical scheme provided by the invention, joint optimization is carried out on user pairing and power distribution in the cellular-free large-scale MIMO-NOMA system.

The invention relates to the technical field of communication transmission, in particular to a power line carrier signal transmission method and device applied to a direct current lighting system, and the method comprises the steps: obtaining the current of each street lamp controlled by each concentrator in the direct current lighting system, constructing a current difference index and a noise interference index between any two adjacent street lamps, the voltage drop difference and the distance difference of any two adjacent street lamps are analyzed, and the signal influence index of a power line between any two adjacent street lamps is calculated by combining the control signal amplitude difference; according to the time domain difference and the frequency domain difference between a control signal issued by a concentrator and a control signal received by a terminal street lamp, an overall damage index is constructed by combining the control signal issued by the concentrator and the change of the timestamp of the control signal received by each street lamp, and the overall damage index is calculated based on a noise interference index, a signal influence index and the overall damage index. And obtaining the optimal routing forwarding path of each concentrator by using an optimization algorithm. The transmission effect of the carrier signal can be improved.

The invention belongs to the technical field of organic photoelectric materials, and particularly discloses a multifunctional organic semiconductor material with cyano phosphonic acid as an anchoring group and a preparation method and application of the multifunctional organic semiconductor material. The cyano group in the anchoring group can effectively increase the deprotonation capability of phosphonic acid and enhance the hydrophilicity of the anchoring group, so that the material has unique amphiphilic characteristics and shows good wettability, and further, the high-quality perovskite thin film is obtained. Meanwhile, F atoms in the arylamine enhance the interface interaction between the hole transport layer and the perovskite layer, thereby further regulating the crystallization of the perovskite, passivating the bottom interface defect of the perovskite, and inhibiting the non-radiative recombination of the interface. The organic semiconductor material is highly conjugated in molecules and good in photo-thermal stability. When the hole transport layer is applied to a trans-perovskite solar cell, the photoelectric conversion efficiency of more than 24.5% can be obtained, and the hole transport layer shows a good industrial application prospect.

The invention relates to the technical field of cloud computing, and discloses a computing resource scheduling method and system based on cloud computing, and the method comprises the steps: carrying out the preprocessing of power data collected by each node of a power grid system in real time, improving the data transmission capability, and carrying out the resource demand prediction of each cloud computing node, and cloud computing resource allocation of each cloud computing node is optimized by using a resource demand prediction result and taking minimization of the waste amount of computing resources and minimization of system response time as optimization targets, so that resource demand changes can be sensed and responded in real time, and efficient utilization of resources is ensured. The utilization efficiency and the response speed of dynamic allocation computing resources are improved, and the stability and the reliability of system operation are ensured.

The invention relates to the field of computer servers, and discloses a modularized computing power and storage integrated server which comprises a computing module, a storage module, a bus module, a control module and an optimization module. The calculation module and the storage module support modular hot plug through a standardized interface, and can dynamically adjust configuration according to task requirements; the bus module is used for realizing high-speed data transmission between the calculation module and the storage module and supporting dynamic allocation of bandwidth priority; the control module generates a resource extension suggestion and a bandwidth allocation strategy based on fuzzy reasoning; and the optimization module performs offline optimization on the fuzzy rule base and membership function parameters of the control module through a genetic algorithm so as to improve the overall performance of system regulation and control. According to the method, elastic expansion and dynamic management of computing and storage resources are achieved, the resource utilization rate, the bandwidth allocation efficiency and the system operation stability are improved, and the method is suitable for high-performance computing and large-scale storage tasks with complex loads and multi-scene requirements.

The invention discloses a communication method and device, relates to the technical field of communication, and can improve the communication performance between terminal equipment and first network equipment through second network equipment. The method comprises: a second network device receiving a first sequence from a first network device; sending the second sequence to the first network device; a timing indication sequence from a first network device is received. Wherein the first sequence is associated with identification information of the second network equipment, and the first sequence is used for downlink synchronization; the second sequence is associated with identification information of a second network device; the timing indication sequence is used for indicating the timing advance, and the timing advance is determined by the first network equipment according to the second sequence.

The invention relates to the technical field of cables, in particular to an airtight cold-resistant low-smoke flame-retardant instrument cable used in an explosive environment, which comprises a protective sleeve, a cable body mechanism is arranged in the protective sleeve, the cable body mechanism comprises inner sheaths, and a plurality of inner sheaths are uniformly mounted in the protective sleeve at equal intervals. According to the invention, heat dissipated in the use process of the cable can be utilized to preheat the main body structure of the cable, so that the cold resistance of the cable is improved while internal heat dissipation is promoted; according to the invention, the structure of the cable is improved, the connection stability among the structures of the cable can be improved, the air tightness of the cable is effectively improved, the throttling effect of the heat insulation shell and the guide ring can be fully utilized, the flame retardance of the cable is improved, the cable can be better matched with the external environment, and the application range of the cable can be effectively expanded while the working stability of the cable is improved.

The invention belongs to the technical field of filters, and relates to a high-roll-off rectangular micro coaxial line low-pass filter which comprises a rectangular micro coaxial line. The two rectangular micro coaxial line-coplanar waveguide transition structures are located at the two ends of the rectangular micro coaxial line respectively to form an input port and an output port which are used for being connected with external elements. The loading structure based on the stepped impedance open-circuit branch knot and the defected ground loading structure are positioned in the middle of the rectangular micro coaxial line; the loading structure based on the stepped impedance open-circuit branches comprises a plurality of open-circuit branches which are uniformly distributed on the two sides of the rectangular micro coaxial line and are in a mirror image arrangement state by taking the center line of the rectangular micro coaxial line as a reference line, and the lengths of the open-circuit branches are gradually reduced from the middle to the two sides; the defected ground loading structure comprises a plurality of defected grounds, each defected ground is correspondingly arranged between two adjacent open circuit branches, and the lengths of the plurality of defected grounds are gradually reduced from the middle to the two sides. The low-loss and high-suppression band-pass filter has the advantages of being low in loss, high in roll-off, high in suppression degree, wide in stop band and good in transmission performance.

The invention provides a back contact battery with a specific contact layer and a preparation method of the back contact battery. The back contact battery with the specific contact layer comprises a silicon wafer, a first semiconductor layer and a second semiconductor layer, the silicon wafer has a backlight surface and a light receiving surface; the first semiconductor layers and the second semiconductor layers are alternately arranged on the backlight surface; the first semiconductor layer at least comprises an N-type doped polycrystalline silicon layer, the N-type doped polycrystalline silicon layer comprises a hydrogen-doped N-type polycrystalline silicon layer and a deuterium-doped N-type polycrystalline silicon layer, the second semiconductor layer at least comprises a P-type doped amorphous silicon layer, and the P-type doped amorphous silicon layer comprises a hydrogen-doped P-type amorphous silicon layer and a deuterium-doped P-type amorphous silicon layer. The surface compactness and stability of the first semiconductor layer and the second semiconductor layer can be greatly improved, the surfaces of the two semiconductor layers are prevented from being naturally oxidized or corroded by a solution in the manufacturing process, then the contact resistance between the first semiconductor layer and the transparent conductive layer and between the second semiconductor layer and the transparent conductive layer is reduced, and the FF of the cell is improved.

The invention discloses a millimeter wave large-scale MIMO (Multiple Input Multiple Output) hybrid precoding design method for URLLC (Uniform Resource Logical Link Control), which comprises the following steps: network side equipment adopts a hybrid precoding architecture, adopts a short packet to transmit a signal, measures the transmission performance according to a finite block length information theory; the method comprises the following steps: establishing a URLLC-oriented millimeter wave large-scale MIMO hybrid precoding optimization model based on performance measurement criteria such as maximization and rate or maximum and minimum fairness under multi-user communication business service requirements, transmission total power constraints and feasible phase set constraints of phase shifters with different resolutions; the reconstruction optimization problem enables the augmented Lagrange problem to have a decomposable structure, and the hybrid precoding optimization problem is solved through double iteration; the augmented Lagrange problem is rapidly solved in the inner layer iteration to update the original optimization variable, and the dual variable and the penalty factor are adaptively updated in the outer layer iteration. The system performance can be effectively improved, and the implementation cost and energy consumption of the system are reduced.

The invention relates to the technical field of communication, and discloses a communication method, electronic equipment and a storage medium. The communication method comprises the following steps: when a first terminal device is connected with a first wireless access device based on a first channel (such as a dynamic frequency selection channel), judging whether the configurations of the first terminal device and a second terminal device both support point-to-point communication in the first channel; and when it is determined that point-to-point communication establishment is supported in the first channel, point-to-point communication between the two terminal devices can be established based on the first channel of the access network. Based on the above scheme, it can be ensured that a channel for communication between at least one terminal device and the wireless access device is the same as a channel for point-to-point communication between two terminal devices, so that occurrence of time-sharing switching scenes of the terminal devices among different channels is effectively reduced, the point-to-point channel data transmission time is increased, and the user experience is improved. Phenomena such as picture lagging are avoided, and the user experience is improved.

The invention provides a preparation method of an optical fiber core layer, an optical fiber comprises a deposition tube, a head tube and a tail tube, and the preparation method comprises the following steps: respectively fixing the head tube and the tail tube at two ends of a deposition lathe through a clamp; a deposition pipe is placed between the head pipe and the tail pipe, a concentric part is placed at the position corresponding to the deposition pipe, and the head pipe, the deposition pipe and the tail pipe are arranged along the same axis through the concentric part; at least one of the opposite ends of the head pipe and the deposition pipe is heated, so that the head pipe and the deposition pipe are welded; at least one of the opposite ends of the tail pipe and the deposition pipe is heated, so that the tail pipe and the deposition pipe are welded; and after the head pipe, the deposition pipe and the tail pipe are welded, a core layer is formed on the head pipe, the deposition pipe and the tail pipe. The concentric parts are arranged in the deposition pipe welding process, so that the deposition pipe, the head pipe and the tail pipe can be kept concentric after being welded, a core layer is deposited uniformly, and the quality of the optical fiber preform is improved.

The invention relates to the technical field of picture rendering, in particular to a media picture rendering optimization method and system based on artificial intelligence. The method comprises the following steps: acquiring a terminal video stream; performing RGB format conversion on the terminal video stream to generate an RGB type frame image set; pixel partitioning is carried out on the RGB type frame image set, and RGB pixel matrix blocks are generated; performing color space acceleration conversion on the RGB pixel matrix block to generate a YUV cache data matrix; the YUV storage data matrix is sent to a DSP internal processing unit for key frame selection, and YUV key video frame data and YUV non-key video frame data are obtained; and performing intra-frame coding on the YUV key video frame data so as to generate YUV key frame coded data. According to the method, the media picture rendering efficiency is improved by optimizing data processing, transmission and rendering and combining user visual focus analysis.

The invention discloses a dynamic transmission method and device based on quantum-like noise stream coding. The method comprises the following steps: generating a chaotic sequence by adopting a 4D hyper-chaotic model according to an initial key; introducing error bits into the initial key, dividing two different matrixes, and performing up-sampling to obtain a key stream real part BI and a key stream imaginary part BQ; carrying out serial-to-parallel conversion on the original data, and carrying out XOR processing on the data real part and the data imaginary part by utilizing the binary chaos sequence to obtain a data stream real part EI and a data stream imaginary part EQ; performing quantum-like noise stream encryption processing according to the data stream real part EI, the data stream imaginary part EQ, the key stream real part BI and the key stream imaginary part BQ to obtain a quantum-like noise stream encryption signal; scrambling a subcarrier and a symbol point of the quantum-like noise stream encrypted signal by using a chaotic sequence to obtain a scrambled signal; and performing OFDM modulation on the scrambled signal, and transmitting the scrambled signal in an optical fiber channel.

The invention discloses a defect passivation perovskite solar cell and a preparation method thereof, and belongs to the technical field of solar cell preparation. The preparation method comprises the following steps: mixing a SnO2 aqueous solution and an organic hydrochloride solution, and carrying out ultrasonic treatment to obtain an organic hydrochloride doped SnO2 precursor solution; preparing a halogen-containing compound solution and an organic salt solution as a perovskite precursor solution; the preparation method comprises the following steps: uniformly mixing Fk209, tBP, Li-TFSI, Spiro-OMeTAD and chlorobenzene or tBP, Li-TFSI, P3HT and chlorobenzene to obtain a hole transport layer precursor solution; the preparation method comprises the following steps: preparing a SnO2 electron transport layer, a perovskite absorption layer and a hole transport layer on a substrate material in sequence, and finally preparing a molybdenum oxide layer and a silver electrode on the hole transport layer. The problem that a large number of defects exist in existing perovskite solar cell preparation is solved, and the carrier transmission capacity and the photoelectric conversion efficiency are improved.

The invention provides a solid electrolyte and application thereof, and the solid electrolyte at least comprises: a core body comprising a sulfide electrolyte; the surface of the core body is coated with the shell layer, and the shell layer comprises lithium iodide and lithium fluoride. According to the solid electrolyte and the application thereof provided by the invention, the stability of the solid electrolyte to air and positive and negative electrodes can be improved, so that the cycle life and the stability of a battery are improved.

The invention relates to the technical field of optical fiber manufacturing, and discloses a heavy water vapor replacement device, a spectral measurement system and a method for reducing water peak absorption loss of a hollow-core optical fiber. The method for reducing the water peak absorption loss of the hollow-core optical fiber is realized by using a heavy water vapor replacement device, the effectiveness is verified through a spectral measurement system, the heavy water vapor replacement device comprises a vapor generation assembly, a first gas cavity assembly and a gas extraction assembly, the gas extraction assembly firstly vacuumizes the interior of a fiber core, and the vapor generation assembly generates heavy water vapor; heavy water vapor is filled in a fiber core of the hollow-core optical fiber through the first gas cavity assembly, the heavy water vapor is prevented from being mixed with gas reserved in the fiber core, it is guaranteed that the fiber core of the hollow-core optical fiber is completely filled with the heavy water vapor, an absorption peak is weakened, especially interference to S-band communication is greatly reduced, hydroxyl formed by heavy water molecules has stable chemical properties, and the service life of the hollow-core optical fiber is prolonged. Secondary adsorption of common water vapor is effectively delayed, and the transmission performance of the optical fiber is improved.

The invention provides a multi-engine collaborative robot simulation method and system according to the claim 1, and the system comprises the steps: developing a simulation management system based on a UE5 three-dimensional simulation engine, and achieving the effective management and display of various information and data in a simulation process; a high-precision map is developed, a laser radar and other sensors are simulated to realize scene data acquisition and interaction, and the authenticity and credibility of a simulation environment are optimized for practical application simulation; based on Vortex dynamics modeling software, through a VHLInterface data interaction mode, robot and scene interaction dynamics modeling is carried out, and a robot simulation result is obtained; based on FastDDS communication middleware, data communication between the UE5 and the ROS2 is established, an ROS2 message format is compatible, and a hardware-in-the-loop simulation test of the controller is carried out. The technical problems that a multivariate control algorithm and a fine dynamic model are difficult to consider, data interaction of a simulation system is difficult, complexity and cost of the simulation system are high, and reliability is low are solved.

The embodiment of the invention provides a CSI report sending method and device, a CSI report receiving method and device and a storage medium. The sending method comprises the following steps: receiving configuration information and first information sent by network equipment; sending a CSI report to the network device based on the configuration information and the first information; wherein the configuration information comprises CSI reporting sub-configuration, triggering state configuration, and an association relationship between the triggering state configuration and the CSI reporting sub-configuration; the first information is used for triggering part or all of the CSI reporting sub-configurations. According to the invention, part or all of the CSI reporting sub-configurations configured at the network side are triggered through the first information, and the CSI reporting configuration with a plurality of sub-configurations is supported, so that when different TXRUs are turned off and turned on, the change of a channel state caused by the change of an antenna pattern is well reflected, better link self-adaption and better transmission performance are realized, and the user experience is improved. And the balance between the network energy consumption and the network performance is achieved.

The invention relates to a method for supporting secure transmission and verification of large data files in a cloud environment, and belongs to the technical field of file transmission. The method comprises the steps of a preparation stage, file fragmentation encryption, confusion processing, file uploading and downloading, file decryption and combination and the like. The method is characterized in that a file is divided into a plurality of file fragments, each fragment is symmetrically encrypted to generate file fragment metadata, then confusion fragments and encrypted file fragments are uploaded to a cloud server at the same time, and due to the fact that the encrypted file fragments lose sequence information, the sequence information is encrypted and then stored, and the file fragments are stored in the cloud server. The user needs to access and read; and hiding the sequence information of the file fragments in the graph, obtaining the sequence information by using an algorithm, and finally carrying out file merging, so that the secure transmission of the file is completed. According to the method, under the condition of distributed deployment, the transmission efficiency can be improved, the file transmission safety can be improved, and safe transmission of file data is achieved.