Abstract: A device for wireless communication is provided. The device comprises a processor configured to: send a request to an first base station for connection status of a user device; send a sensing command to the first base station to scan an area in a coverage of the first base station to generate environment feature data; perform a neural network inference according to the environment feature data to generate a predicted position of the user device; and control a first reconfiguration intelligent surface (RIS) device according to the predicted position.

Abstract: A digital-to-analog converter (DAC) and an operation method thereof are provided. The DAC includes a first operational amplifier (OPA), a second OPA, a resistor circuit, first switches, second switches, a first voltage shift circuit and a second voltage shift circuit. The first OPA outputs a first operating voltage. The second OPA outputs a second operating voltage. First terminals of the first switches receive the first operating voltage. First terminals of the second switches receive the second operating voltage. Second terminals of the first switches and the second switches are coupled to the resistor circuit. The first switches and the second switches perform switching operations in response to digital values. The first voltage shift circuit provides a first compensation voltage to the first OPA. The second voltage shift circuit provides a second compensation voltage to the second OPA.

Abstract: Provided are security encryption algorithm identification method and system, including: an electronic device having a software app, a downloadable storage unit for storing a dynamic-link library (DLL), and a scanning module for scanning the DLL to obtain DLL filename information; a cryptography DLL list, with the scanning module comparing the DLL filename information according to the cryptography DLL list to generate security encryption algorithm library (SEAL) filename information and being linked to a SEAL corresponding to the SEAL filename information to retrieve SEAL version information from a metadata of the SEAL; a specified SEAL storage unit having a plugin-equipped SEAL downloadable by the scanning module from the specified SEAL storage unit according to the SEAL filename information and version information and dedicated to replacing the SEAL; and a specified storage unit disposed in the electronic device to store log files created when the software app calls the plugin-equipped SEAL.

Abstract: Provided are security encryption algorithm identification method and system, including: an electronic device having a software app, a downloadable storage unit for storing a dynamic-link library (DLL), and a scanning module for scanning the DLL to obtain DLL filename information; a cryptography DLL list, with the scanning module comparing the DLL filename information according to the cryptography DLL list to generate security encryption algorithm library (SEAL) filename information and being linked to a SEAL corresponding to the SEAL filename information to retrieve SEAL version information from a metadata of the SEAL; a specified SEAL storage unit having a plugin-equipped SEAL downloadable by the scanning module from the specified SEAL storage unit according to the SEAL filename information and version information and dedicated to replacing the SEAL; and a specified storage unit disposed in the electronic device to store log files created when the software app calls the plugin-equipped SEAL.

Abstract: The present disclosure describes a semiconductor structure with a metal ion capture layer and a method for forming the structure. The method includes forming a first fin structure and a second fin structure on a substrate and forming a first gate structure over the first fin structure and a second gate structure over the second fin structure, where the first gate structure adjoins the second gate structure. The method further includes forming a dielectric layer on the first and second gate structures, removing a portion of the dielectric layer above an adjoining portion of the first and second gate structures to form an opening, and forming a metal ion capture layer in the opening.

Abstract: A digital-to-analog converter (DAC) and an operation method thereof are provided. The DAC includes a first operational amplifier (OPA), a second OPA, a resistor circuit, first switches, second switches, a first voltage shift circuit and a second voltage shift circuit. The first OPA outputs a first operating voltage. The second OPA outputs a second operating voltage. First terminals of the first switches receive the first operating voltage. First terminals of the second switches receive the second operating voltage. Second terminals of the first switches and the second switches are coupled to the resistor circuit. The first switches and the second switches perform switching operations in response to digital values. The first voltage shift circuit provides a first compensation voltage to the first OPA. The second voltage shift circuit provides a second compensation voltage to the second OPA.

Abstract: The present disclosure describes a semiconductor structure with a metal ion capture layer and a method for forming the structure. The method includes forming a first fin structure and a second fin structure on a substrate and forming a first gate structure over the first fin structure and a second gate structure over the second fin structure, where the first gate structure adjoins the second gate structure. The method further includes forming a dielectric layer on the first and second gate structures, removing a portion of the dielectric layer above an adjoining portion of the first and second gate structures to form an opening, and forming a metal ion capture layer in the opening.

Abstract: Disclosed is method for identifying a user equipment (UE), including: generating a RAN UE ID corresponding to the UE through a base station; when the UE submits a register request with an enrichment information provider, receiving a packet of the UE through the base station, obtaining the IP address corresponding to the UE based on the packet and transmitting the packet to a core network; transmitting the IP address and the RAN UE ID corresponding to the UE to a RIC through the base station; establishing a mapping association associated with the IP address and the RAN UE ID corresponding to the UE in a mapping table through the RIC; and transmitting the packet to the enrichment information provider through the core network, and obtaining the IP address corresponding to the UE based on the packet and accepting the register request with the IP address through the enrichment information provider.

Abstract: A screwdriver tip structure includes a main body provided with an operation end. The operation end is provided with multiple first working sections and multiple second working sections. Each of the first working sections has a convex shape. Each of the second working sections has a concave shape. Each of the first working sections is provided with multiple grooves. Each of the first working sections has a first end and a second end. The second end has a diameter more than that of the first end. Each of the first working sections has a periphery provided with a phantom side face. The side face extends from the second end to the first end. Each of the grooves is provided with a first concave face. The first concave face of each of the grooves includes a first single arc.

Abstract: A decentralized information transmission system comprising: an information generating end, first and second blockchain networks, and an information receiving end, an information data transmitted by the generating end is encrypted by a public key into an encrypted file, a hash value is generated by a hash value generating module, the first blockchain network receives the hash value and the encrypted file, the second blockchain network receives the hash value and a receiving end address, the receiving end generates a data reading request for the second blockchain network, the second blockchain network transmits the hash value to the receiving end, the receiving end generates a data demanding request for the first blockchain network, the first blockchain network transmits the encrypted file to the receiving end, and the receiving end decrypts the encrypted file with a private key to obtain the information data transmitted by the generating end.

Abstract: An intelligent monitoring system for waste disposal and the method thereof are provided, which include a plurality of operational devices and stages. First, a transportation stage is performed to loading a transport vehicle with a waste so as to transport the waste to a disposal station for further treatment. A camera and a sensor for detecting abnormal conditions are installed any one of the operational devices or installed in the operational path of any one of the operational devices. The camera records the videos of the operational stages, captures the images from the videos and recognizes the images in order to determine whether the abnormal conditions occur in any one of the operational stages. Alternatively, the camera is triggered to capture the images and recognize the images after the abnormal conditions are detected by the sensor in order to determine whether the abnormal conditions actually occur.

Abstract: A screwdriver tip structure includes a main body provided with an operation end. The operation end is provided with multiple first working sections and multiple second working sections. Each of the first working sections has a convex shape. Each of the second working sections has a concave shape. Each of the first working sections is provided with multiple grooves. Each of the first working sections has a first end and a second end. The second end has a diameter more than that of the first end. Each of the first working sections has a periphery provided with a phantom side face. The side face extends from the second end to the first end. Each of the grooves is provided with a first concave face. The first concave face of each of the grooves includes a first single arc.

Abstract: The present disclosure describes a semiconductor structure with a metal ion capture layer and a method for forming the structure. The method includes forming a first fin structure and a second fin structure on a substrate and forming a first gate structure over the first fin structure and a second gate structure over the second fin structure, where the first gate structure adjoins the second gate structure. The method further includes forming a dielectric layer on the first and second gate structures, removing a portion of the dielectric layer above an adjoining portion of the first and second gate structures to form an opening, and forming a metal ion capture layer in the opening.

Abstract: A provided method includes: obtaining a predictor matrix having at least one masked attribute; obtaining a response matrix; setting that the predictor matrix is approximated by a product of a basis matrix and a coefficient matrix; setting that the response matrix is approximated by a product of a weight matrix, a projection matrix and the predictor matrix; setting that the basis matrix, the coefficient matrix, the weight matrix, and the projection matrix are nonnegative; setting that the projection matrix, the weight matrix, or a product of the projection matrix and the predictor matrix is orthogonal, and thus setting a cost function; and calculating the basis matrix, the coefficient matrix, the weight matrix, and the projection matrix according to the cost function. Accordingly, operations of imputation, fitting, and subspace analysis can be performed.

Abstract: An intelligent monitoring system for waste disposal and the method thereof are provided, which include a plurality of operational devices and stages. First, a transportation stage is performed to loading a transport vehicle with a waste so as to transport the waste to a disposal station for further treatment. A camera and a sensor for detecting abnormal conditions are installed any one of the operational devices or installed in the operational path of any one of the operational devices. The camera records the videos of the operational stages, captures the images from the videos and recognizes the images in order to determine whether the abnormal conditions occur in any one of the operational stages. Alternatively, the camera is triggered to capture the images and recognize the images after the abnormal conditions are detected by the sensor in order to determine whether the abnormal conditions actually occur.

Abstract: An imputation method for a nonnegative symmetric matrix includes: obtaining an input symmetric matrix which includes multiple continuous void values; taking a difference between the input symmetric matrix and a target matrix as an input of a half quadratic function to form an objective function; and performing an optimization algorithm based on the objective function to compute elements of the target matrix.

Abstract: A provided method includes: obtaining a predictor matrix having at least one masked attribute; obtaining a response matrix; setting that the predictor matrix is approximated by a product of a basis matrix and a coefficient matrix; setting that the response matrix is approximated by a product of a weight matrix, a projection matrix and the predictor matrix; setting that the basis matrix, the coefficient matrix, the weight matrix, and the projection matrix are nonnegative; setting that the projection matrix, the weight matrix, or a product of the projection matrix and the predictor matrix is orthogonal, and thus setting a cost function; and calculating the basis matrix, the coefficient matrix, the weight matrix, and the projection matrix according to the cost function. Accordingly, operations of imputation, fitting, and subspace analysis can be performed.

Abstract: A method and a system for data imputation and classification are provided. The system includes a database, a historical sample imputation module and a current sample imputation and classification module. In the method, at first, an imputation calculation is performed on each of classified historical sample groups to obtain a basis matrix and a missing value corresponding to each of the classified historical sample groups. Thereafter, a sample classification stage is performed. In the sample classification stage, an IPP (Iterative Projection Pursuit) algorithm and an equation of nonlinear inequality constraints to calculate weighting vectors corresponding to a current sample. Thereafter, plural candidate samples corresponding to different classes are calculated in accordance with the basis matrix and the weighting vectors, and the sample class of the current sample and a prediction value for a missing value of the current sample are determined accordingly.

Abstract: A successive approximation register (SAR) analog-digital converter (ADC) and a method for operating the same are provided. The SAR ADC includes a first capacitor DAC (CDAC), a comparator and a controller. The first CDAC receives and samples an analog input signal to generate a first voltage. The comparator compares the first voltage with a comparison reference voltage to generate a first comparison result. In a k-th iteration of at least two iterations, the controller switches a k-th switching capacitor set from a first state to a second state, such that the first CDAC generates a second voltage, and the comparator compares the second voltage with the comparison reference voltage to generate a second comparison result. The controller determines a window region and determines whether the k-th switching capacitor set is switched back to the first state according to the first comparison result and the second comparison result.

Abstract: A method for increasing the luminous intensity of an ultraviolet light emitting diode includes heating an ultraviolet light emitting diode to a working temperature, and supplying electricity to the ultraviolet light emitting diode at the working temperature to make the ultraviolet light emitting diode emit ultraviolet light. An apparatus for increasing the luminous intensity of an ultraviolet light emitting diode includes a substrate, an ultraviolet light emitting diode mounted on the substrate, an electric heater mounted on the substrate, a temperature sensor, and a controller electrically connected to the ultraviolet light emitting diode, the electric heater, and the temperature sensor. The controller can heat the ultraviolet light emitting diode through the substrate.