30results about How to "Flexible and convenient to expand" patented technology

The invention discloses a self-adaptive non-parallel training based voice conversion method. The method includes the steps: detecting effective voice signals from an acquired voice sample and preprocessing the effective voice signals; extracting voice characteristic parameters from the preprocessed effective voice signals; performing UBM (universal background model) training based on the voice characteristic parameters so as to obtain a UBM irrelevant to a speaker; obtaining an independent speaker voice model relevant to the speaker based on the UBM, and obtaining a conversion function of frequency spectrum parameters and base frequency parameters based on the independent speaker voice model; inputting the voice characteristic parameters of to-be-converted voice into the conversion function so as to obtain converted voice characteristic parameters of a target speaker; synthesizing the converted voice characteristic parameters of the target speaker so as to obtain target voice. The self-adaptive non-parallel training based voice conversion method not only has good conversion performance but also has good system expandability.

The present invention discloses an entity attribute data processing device and method. Said device includes entity attribute definition module for storing and managing entity attribute definition table, said entity attribute definition table is used for storing definition of entity attribute, its class and storage mode correspondent to said class; first entity attribute storage module for storing entity attribute data whose class is first class entity attribute by adopting data base tab mode; second entity attribute storage module for storing entity attribute data whose class is second class entity attribute by adopting data base longitudinal table mode; and entity attribute search module for searching entity attribute value from entity attribute storage module according to the entity attribute definition table.

The invention discloses a remote object calling method and system. The method comprises the following steps of S1, defining a unified service interface at a server; S2, uploading corresponding callinginformation by a client according to a to-be-called service object; and S3, performing instantiation for each piece of the received calling information by the unified service interface to obtain thecorresponding service object. All business services provide access entries for outside through the unified service interface; new business services can be extended only by realizing specific businessservices without defining interfaces for the new business services; the system is flexible and convenient to expand and simple to maintain; furthermore, the client communicates with the server throughRPC communication middleware; multiple common development languages and operation system platforms are supported; synchronous and asynchronous method calling is supported; a binary communication protocol is adopted; and data compression and transmission efficiency is high.

The invention relates to the technical field of internet of things, and provides an LED lamp control method and system, an LED control gateway. The LED lamp control method is applied to an LED lamp control system, and the system comprises an LED control gateway constituting a Bluetooth Mesh network and M LED control devices. The method comprises the following steps: an LED control gateway receivesa control request sent by a terminal device and forwards the control request to N LED control devices; The LED control device detects and judges whether the received control request contains a matching control request or not. If yes, the LED control device executes the control command in the matching control request, controls the light emitting state of the LED lamp, and forwards other control requests except the matching control request. If not, the LED control device directly forwards all the control requests. The method has the advantages of simple operation, time-saving and labor-saving,flexible expansion, remote control support, and convenient management of a plurality of LED lamps and lanterns.

The invention provides a formula definition groupware for agile calculation aiming at mass data in a database table. The groupware is used for solving the problem that the mass data in the database table are needed to be performed with a certain calculation sometimes in the database application, the calculation needs different logical processes according to the different values of different fields of each record, and the logical processes are made randomly when in running according to different client requirements of users, considering that different clients can have different arithmetic logics and the arithmetic logics can change often, the groupware of the invention provides the convenient operation for the client attribute individuation set, as well as the alteration, the modification and the expansion of the arithmetic logics. The groupware also provides the setting of an arithmetic item, the coefficient definition of a one dimensional list, a two dimensional list and a multidimensional table, an operational formula definition, etc., thereby having the function for realizing strong logical independence, and facilitating the application to different systems without needing secondary exploitation.

The invention provides an extensible QR decomposition method based on a pipeline working mode. A layered and cascaded structure is adopted, wherein pipeline operation is realized among layers; two lines of matrix data of each layer are subject to Givens rotation; the Givens rotation is conducted by using a coordinate rotation digital computer (CORDIC) algorithm and realized by using operations of addition and displacement; the layer number is determined by the line number or the row number of matrices; a whole QR decomposition module consists of a controller and a data processing module; a line rotation module is arranged on each layer of the data processing module; output ports of upper layers of line rotation modules are connected with input ports of lower layers of line rotation modules; the matrix data to be composed are input from an input port of the first layer of line rotation module, and sequentially flow through all the line rotation modules; and all the line rotation modules work in parallel. The scalable QR decomposition method has the advantages that hardware resources are saved; and as the iterative process of the CORDIC algorithm is split at the inner part of each layer of the data processing module, a pipeline structure is formed, the rotation operation of multiple vector groups is processed in a time sharing manner, the throughput rate is increased, and the extension is flexible.

The invention discloses a video monitoring system adopting wind/solar complementary power supply under a wireless Mesh network. The system has the functions of monitoring a large target area under the Mesh network and giving a fire alarm and an antitheft alarm, adopts the wind/solar complementary power supply, and is quick in deployment and convenient to mount and upgrade. Image quality and bandwidth occupation can be regulated. The system adopts software coding and decoding, and can regulate a frame number, resolution, the image quality and the like according to the needs of a user and realize the function of storing and replaying received video monitoring images by a computer or special equipment. The system supports a browser-technology-based network browsing function, and is convenient to use. A plurality of hops of routers are adopted for transmission, so normal data transmission can be ensured not to be influenced under the condition that an individual router is damaged or fails. The system and equipment have lightning protection capability, high voltage interference resistance and powerful data and alarm acquisition control and processing functions, can be normally run under the environments of high temperature, low temperature, strong wind, dust flying, torrential rain and the like, are widely applied in the fields of ports, wireless campuses and the like, and are seamlessly combined with a data monitoring system to realize the linkage of light and an alarm whistle and video recording in alarming.

The invention discloses a large-scale picture processing method and system. The large-scale picture processing method comprises the following steps of receiving a picture processing request from a user; storing the picture processing request into a service logic message queue according to service logic of the picture processing request; extracting the picture processing request from the service logic message queue, and according to the service logic of the picture processing request, calling a data processing module suitable for processing of the picture processing request from data processingmodules of a server-free computing device of a public cloud platform; completing processing work requested by the picture processing request through using the data processing module; and storing a completion result of the processing work requested by the picture processing request.

The invention discloses an extensible collector ring which comprises a stator and a rotating shaft of the collector ring, wherein the stator comprises a housing and upper and lower covers, a lower bearing is arranged between the lower end portion of the rotating shaft and the lower cover, an upper rotary cover is fixed on the upper end portion of the rotating shaft, an upper bearing is arranged between the upper rotary cover and the upper cover, a plurality of electric slip rings sleeving the rotating shaft are arranged in the cavity of the stator, and a plurality of electric slip rings are superposed along the axial direction and fixed on the lower end of the lower rotary cover through bolts. A plurality of elastic electric brushes are correspondingly arranged outside the plurality of electric slip rings, corresponding electric slip rings and the elastic electric brushes are electrically connected through electric metal wires on the elastic electric brushes, and the elastic electric brushes are extensibly arranged between the upper and lower covers through brush extensible devices. The extensible collector ring is simply structured and wear resistant, and the input and output lead quantity of the collector ring can be increased conveniently and flexibly to satisfy different requirements.

The invention provides an optical network protocol analyzer. The optical network protocol analyzer comprises an FGPA module and a CPU chip; the FPGA module is in bidirectional connection with a firstoptical communication module, a second optical communication module and a third optical communication module which are used for being in communication connection with a link of an optical network. Thethird optical communication module is used for receiving an optical signal from the link for link state detection; the first optical communication module supports an XGPON and/or an XGSPON and/or a 10G EPON, the second optical communication module supports a GPON and/or an EPON, and the first optical communication module and the second optical communication module are used for outputting opticalsignals received by the third optical communication module to the link. According to the invention, the flow processing performance of the high-performance CPU processor is adopted; the FPGA module with high performance is compatible with a plurality of access modes of GPON/EPON/XGPON/XGSPON/10GEPON; meanwhile, the optical network protocol analyzer is small and flexible in structure, can be applied to FTTx and line serial/parallel connection of an Ethernet environment, carries out the data monitoring and attack of some users under a link, and brings great convenience to the protection of domestic/foreign network safety and digital evidence collection.

An embodiment of the invention provides an SPI expansion method through an I/O port and relates to an I/O port based SPI simulation method and device. An embedded processor and an I/O port with an output buffer are used, the I/O port with the output buffer is an embedded processor integrated input/output port, the port is not an SPI, and I/O port simulation of the SPI is achieved through a software programming method. The method and the device have the advantages that the embedded processor and peripherals connection method is expanded conveniently and flexibly.

The invention provides a power system user defined simulation method facing object program configuration; the method comprises the following steps: class definition facing the object program configuration; pretreatment of a user defined model; initialization of the user defined model; simulation calculation of the user defined model. The method uses a PSASP to satisfy the demands that mass power system novel elements emerge in the present stage, so flexible modeling simulation methods are needed for large power grid stabile analysis; the novel method expands the power system simulation function, enlarges a power system simulation software usage scope, improves the simulation efficiency, thus further developing the power system simulation software market; in addition, the user defined function is separated from the PSASP, so PSASP sales can be more flexible; by facing the object program configuration design, input/output variable expansion of basic operation functions and UD interface functions can be more conveniently and flexibly carried out, thus continuously enriching existing model database, and strengthening the user defined function.

The invention relates to a first-aid repair operation vehicle, and belongs to the technical field of first-aid repair operation vehicle structures. The first-aid repair operation vehicle comprises a first-aid repair vehicle body, two mounting seats are mounted at the top of the vehicle head of the first-aid repair vehicle body, a connecting shaft is mounted between the two mounting seats, a connecting pipe capable of rotating around the connecting shaft is mounted on the connecting shaft, the connecting pipe is connected with a crawling ladder, and a lifting mechanism is mounted on the vehicle hopper of the first-aid repair vehicle body. The first-aid repair operation vehicle is ingenious in structural design, convenient to use, time-saving and labor-saving.

The invention discloses a power supply circuit of a multi-axle motor driver. The power supply circuit comprises a main switching power supply module and at least two secondary switching power supply modules; the output of the main switching power supply module is respectively used as the input of each secondary switching power supply module; the number of the secondary switching power supply modules is equal to the axle number of the multi-axle motor; and the main switching power supply module is used for supplying power to a universal function part of the multi-axis motor driver, and each secondary switching power supply module is used for supplying power to a corresponding inversion IGBT driving module in the multi-axle motor driver. The design of a power supply system of the multi-axledriver is simplified, the design of a power supply of the multi-axle motor driver can be modularized and standardized, and when the number of axles of the motor driver is increased, the power supply can be expanded, replaced and overhauled flexibly and conveniently.

The invention discloses a current distribution system used for standard current and fault current detection. The current distribution system comprises an RS485 control module and a current source module which are respectively connected with the master control unit of a power distribution automation terminal. The current distribution system also comprises a current distribution module IA, a current distribution module IB and a current distribution module IC which are respectively corresponding to A-phase, B-phase and C-phase current. The current distribution module IA, the current distribution module IB and the current distribution module IC are respectively connected with the current source module and the RS485 control module. Efficiency of standard current detection and reliability of fault current detection can be enhanced.