Abstract: The invention discloses a Raman spectrum classification method, a species blood and semen classification method and a species classification method. The Raman spectrum classification method comprises: first, acquiring Raman spectrum data as a training set and a test set; second, acquiring Raman spectrum data with obvious spectral peak information; then, inputting the spectrum data with the spectral peak information into a one-dimensional convolution and multi-head self-attention mechanism combined neural network model to train a classification model; and finally, inputting the Raman spectrum test set data to the trained classification model to obtain a classification result.

Abstract: Disclosed is a ship image track tracking and prediction method based on ship heading recognition, which includes the following steps: obtaining a ship image data set, preprocessing the data set to obtain a preprocessed data set; inputting the preprocessed data set into the rotating ship detection network for training, obtaining the trained rotating ship detection network, collecting the ship navigation video, and inputting the ship navigation video into the trained rotating ship detection network to obtain the ship detection result; inputting the ship detection result into the rotating ship tracking network and tracking the target ship to obtain the historical trajectory and the heading information of the target ship; inputting the historical trajectory and ship heading information of the target ship into the ship trajectory and ship heading prediction network, and predicting the navigation trajectory and ship heading at sea.

Abstract: The invention discloses an atmospheric water harvesting device based on a semiconductor chilling plate and a preparation method thereof. A first anti-gravity wicking material and a second anti-gravity wicking material are used as water transmission channel to realize a continuous atmospheric water harvesting on the same plane, the first anti-gravity wicking material and the second anti-gravity wicking material are combined with the semiconductor chilling plate, and the cold side can continuously maintain the temperature of the hygroscopic area, so that the hygroscopic salt on the surface of the anti-gravity wicking material maintains a stable moisture absorbing rate. The heat at the hot side can accurately heat the desorbing area on the surface of the material, the cooling capacity and the heat of the semiconductor chilling plate can be fully utilized, and the atmospheric water absorbing with low energy consumption is realized.

Abstract: A node positioning method for marine environmental monitoring wireless sensor networks is provided, which jointly estimates node positions and path loss factors by considering the node real-time movement and the path loss and absorption effect of underwater communication; transforms an original non-convex problem into a non-negative constrained least squares framework, and finds the optimal solution of marine node positions by two stages of interior point method and block coordinate update. In the first stage, the problem is re-expressed by using the penalty function according to the interior point method to obtain the approximate solution; and in the second stage, the original problem is transformed into a generalized trust region sub-problem, and the approximate solution obtained by the interior point method is used as the initial estimation, the accurate estimation values of the marine node position and path loss factor are obtained by iterative solutions combined with the block coordinate update.

Abstract: The present invention discloses a high-fidelity entangled link generation method based on quantum time-space, the method comprising: directing, by a communication provider, a laser beam to a nonlinear crystal, thereby enabling probabilistically bursting out of a photon beam, and polarizing the photon beam to be in an entangled state; at an entanglement distribution stage, enabling entangled photons to traverse through quantum trajectories, and generating a distributed entangled photon state between a first communication node and a second communication node to construct an elementary entangled link; the first communication node or the second communication node is required to select the same measurement basis for m control qubits when m copies of entangled photon pairs from entanglement source are assumed to be distributed through quantum trajectories to communication nodes with the time interval ?, such that 2m memory qubits of two adjacent nodes may store m exactly the same distributed entangled states.

Abstract: The application relates to an efficient particle filter node positioning method for ocean sensor networks, including the following steps: 1) obtaining a first state vector of mean value of posterior probability at k?1 moment; 2) establishing the state model of the nonlinear system; 3) obtaining the observation model of the nonlinear system; 4) propagating particles, and calculating the state vector ?+k at the next moment according to the particle vector at k?1 moment; 5) obtaining the observed value and calculating the weight; 6) judging whether it is degraded, if not, the weight is used to calculate the position expectation, otherwise, 7) is executed; 7) modifying small-weight particles; 8) resampling the improved residual and normalizing the weights; and 9) using the weight of 8) to calculate the position expectation and realize node positioning.

Abstract: The present invention discloses a high-fidelity entangled link generation method based on quantum time-space, the method comprising: directing, by a communication provider, a laser beam to a nonlinear crystal, thereby enabling probabilistically bursting out of a photon beam, and polarizing the photon beam to be in an entangled state; at an entanglement distribution stage, enabling entangled photons to traverse through quantum trajectories, and generating a distributed entangled photon state between a first communication node and a second communication node to construct an elementary entangled link; the first communication node or the second communication node is required to select the same measurement basis for m control qubits when m copies of entangled photon pairs from entanglement source are assumed to be distributed through quantum trajectories to communication nodes with the time interval ?, such that 2 m memory qubits of two adjacent nodes may store m exactly the same distributed entangled states.

Abstract: An anti-wave floating photovoltaic device comprises a folding panel frame, an elastic support leg, a buoy and a self-locking support rod. The folding panel frame includes multiple unit frames and configured to be folded or unfolded by Miura folding. The adjacent unit frames are connected by a hinge mechanism and a photovoltaic panel is provided on the front side of the folded panel frame. The elastic support leg includes a V-shaped support rod and a U-shaped support rod with a changeable opening and providing elasticity through springs. The buoy includes a power buoy, an intermediate buoy and a driven buoy. The power buoy connects the intermediate buoy and the driven buoy through a rod.

Abstract: An anti-wave floating photovoltaic device comprises a folding panel frame, an elastic support leg, a buoy and a self-locking support rod. The folding panel frame includes multiple unit frames and configured to be folded or unfolded by Miura folding. The adjacent unit frames are connected by a hinge mechanism and a photovoltaic panel is provided on the front side of the folded panel frame. The elastic support leg includes a V-shaped support rod and a U-shaped support rod with a changeable opening and providing elasticity through springs. The buoy includes a power buoy, an intermediate buoy and a driven buoy. The power buoy connects the intermediate buoy and the driven buoy through a rod.

Abstract: The preparation method of the high-efficiency gel of the present invention adopts directional freezing technology and carnauba wax assisted normal pressure drying aerogel, and the aerogel has lower density, uniform and stable porous structure and better mechanical strength. The photothermal evaporation system composed of the hydrogel of the present invention has remarkable photothermal purification ability in brine and dye wastewater, and has broad application prospects in seawater desalination, sewage treatment and other fields.

Abstract: An intelligent course planning method and controller for unmanned surface vehicle are provided, an overall optimization from starting point to end point of course deflection angle is achieved based on an optimization principle of approximate dynamic programming; an optimization of minimization of the course deflection angle and a control signal is achieved based on a quadratic form cost function and a performance index by designing a virtual radial basis function neural network and a least square method, a target course expression is obtained, and a stability and a degree of convergence are ensured through a positive-definite constraint of the Hessian matrix of the performance index. Compared with the related art, an overshoot of course deflection and the control signal is reduced, an optimization of flight and steering energy consumption is achieved, and completely data-driven for intelligent course planning for unmanned surface vehicle and a high-accuracy feedback adjustment are achieved.

Abstract: The invention provides an underground container logistics loading and unloading system based on a deep underground passage. The underground container logistics loading and unloading system comprises an automatic container wharf, a logistics park and the deep underground passage. The automatic container wharf is connected with the logistics park through the deep underground passage, and the deep underground passage internally comprises an area where shuttle vehicles run; and the deep underground passage comprises a main body layout area and accessory equipment.

Abstract: Disclosed are a quantum color image encrypting method based on modification direction and corresponding circuit, respectively providing quantum modular circuits design for a parallel adder, a parallel subtractor, a comparator, a cyclic shift add 1, and a cyclic shift subtract 1; and based on these modular circuits, circuit for implementing quantum color image steganography is provided. From the complexity analysis of implementing quantum circuit for color image steganography, it is seen that for a two-dimensional quantum color image with 22n pixels and the R, G, and B channels of which are respectively represented by q number of quantum bits, the steganography algorithm is an efficient transformation method, and the circuit complexity is O(q2+n), which can hardly be achieved by classical geometric transformation. The disclosure is applicable for many practical image processing applications, e.g.

Abstract: Disclosed is a ship image track tracking and prediction method based on ship heading recognition, which includes the following steps: obtaining a ship image data set, preprocessing the data set to obtain a preprocessed data set; inputting the preprocessed data set into the rotating ship detection network for training, obtaining the trained rotating ship detection network, collecting the ship navigation video, and inputting the ship navigation video into the trained rotating ship detection network to obtain the ship detection result; inputting the ship detection result into the rotating ship tracking network and tracking the target ship to obtain the historical trajectory and the heading information of the target ship; inputting the historical trajectory and ship heading information of the target ship into the ship trajectory and ship heading prediction network, and predicting the navigation trajectory and ship heading at sea.

Abstract: The invention discloses an atmospheric water harvesting device based on a semiconductor chilling plate and a preparation method thereof. A first anti-gravity wicking material and a second anti-gravity wicking material are used as water transmission channel to realize a continuous atmospheric water harvesting on the same plane, the first anti-gravity wicking material and the second anti-gravity wicking material are combined with the semiconductor chilling plate, and the cold side can continuously maintain the temperature of the hygroscopic area, so that the hygroscopic salt on the surface of the anti-gravity wicking material maintains a stable moisture absorbing rate. The heat at the hot side can accurately heat the desorbing area on the surface of the material, the cooling capacity and the heat of the semiconductor chilling plate can be fully utilized, and the atmospheric water absorbing with low energy consumption is realized.

Abstract: Disclosed are a ship arrival prediction system and a ship arrival prediction method. The system includes a data acquisition module for acquiring historical sample data of a ship arrival; a data processing module connected with the data acquisition module and used for processing the historical sample data and converting the processed data into a two-dimensional matrix; a spatial temporal graph convolution layer module connected with the data processing module and used for modeling the converted data and obtaining optimal model parameters through training operations; and a full connection module connected with the spatial temporal graph convolution layer module and used for carrying out a dimensional reconstruction on an output result of the spatial temporal graph convolution layer module and outputting to obtain a predictive value of the ship arrival in each port.

Abstract: Disclosed is a preparation method of a nanometer metal oxide supported carrier based on anodic oxidation, comprising: Step 1: adding electrolyte to a reaction pool, and fixing the cathode and the anode oppositely, wherein the cathode is a metal plate that is identical to the nano-metal oxide, and the anode is a carrier metal material; Step 2: stirring the electrolyte at a constant speed, wherein the revolution speed is not lower than 500 rpm; Step 3: switching power on; setting the output voltage between 10v and 50v; and subjecting the metal plate of the anode to anodic oxidation reaction, wherein metal oxide nanotubes/nano particles are generated on the surface; under the action of stirring, the metal oxide nanotubes/nano particles on the anode surface are dissolved and shed off into the electrolyte; under the action of the electric field force, the dissolved and shed-off nano fragments migrate towards the cathode and are adhered to the surface of the cathode material, thereby forming a nano-metal oxide film

Abstract: Disclosed is an energy-saving bidirectional ship lift by gravity balancing, including: a ship lift body. A first support is provided in a middle of the ship lift body. A second support is provided at a side of the first support. A third support is provided at the other side of the first support. A space between the second support and the first support forms a first shaft. A space between the first support and the third support forms a second shaft. A first ship-carrying chamber and a second ship-carrying chamber are respectively provided in the first shaft and the second shaft to allow two ships to be transported at the same time. An entry water tank and an exit water tank are provided at two sides of each ship-carrying chamber to adjust the weight of the two ship-carrying chambers.

Abstract: An anomaly detection method for virtual machines in a cloud system, in which an HsMM is trained by searching the state information of the normal virtual machines in the cloud system, and a corresponding algorithm is designed to detect and calculate the probabilistic logarithm probability and the Mahalanobis distance of the dynamic changing behaviors of the resources in the cloud system when each virtual machine is online. If the Mahalanobis distance value of an online virtual machine is detected being higher than the preset threshold value of the cloud system, it is suggested that the virtual machine is operating anomalously.

Abstract: An automatic charging device for an AGV on an automated container terminal and a charging method using the same are disclosed. The automatic charging device comprises a vehicle-mounted device and a ground device. The vehicle-mounted device comprises RFID read-write coils, a charging connector buffer device, a charging connector, a power measuring module, a vehicle charging controller and a vehicle-mounted wireless module. The ground device comprises an RFID label array, a power panel, a conductive groove, a pressure sensor, an electromagnet, a ground charging controller and a ground wireless module. The hook shaped charging plug, the charging connector buffer device and the power panel with the electromagnet improve success rate of connection between the power supply and the plug, and improve AGV working efficiency. RFID technology is used for positioning the charging region with high reliability. The pressure sensor and the safety cover ensure safety of the charging process and prevent electric leakage.