55 results about "Communication design" patented technology

Systems and methods to leverage and manage data and knowledge in a M2M or Internet of Things (IoT) network are provided. More particularly, a cognitive intelligence platform for an IoT network that provides autonomic decision support system at or near real-time and executes a dynamic runtime is provided. The hardware, software and communication design of the platform replicates the structural and operational model of the human nervous system to achieve cognitive intelligence through adaptation, collaborative learning, knowledge sharing and self-adjustment. Further, in one embodiment, the cognitive intelligence platform has three logical processing layers of increasing complexity, each of which has agents that use statistical and machine learning techniques and algorithms to resolve situational needs and update knowledge. Furthermore, each processing layer of the platform has a basic level of intelligence and additionally the hierarchy of layers aggregates the learning and intelligence at each layer.

The invention belongs to the technical field of BCI communication and can increase the band width of a BCI system. Further researches can obtain a complete BCI system, and considerable social and economic benefits can be hopefully obtained. In order to achieve the purposes, the technical scheme adopted by the method is that a BCI communication method of joint coding of time and frequency is adopted, an experiment is designed, an EGG (electroencephalogram) signal acquisition device needed by the experiment is built, EGG signal data is acquired and operated under the construction of an experiment system, certain pretreatment and feature extraction are performed after the data are stored, and the data are classified; and the pretreatment and the feature extraction comprise an encoding strategy and a decoding strategy, and a time, frequency and space encoding and decoding strategy is further included. The BCI communication method based on the joint coding of space, time and frequency is mainly applied to BCI communication design and manufacture occasions.

The invention discloses a resources allocation method based on a cross-layer scheduling mechanism under an imperfect CSI (customer satisfaction index) condition and belongs to the technical field of wireless communication design. The method comprises the following steps: building a total throughput mathematical model of a heterogenous network system; setting user data transmission interruption probability; calculating macrocell user data transmission rate and femto cell user data transmission rate which meet the set interruption probability, and setting delay constraint of the micro-cell user data transmission rate and the delay constraint of the femto cell user data transmission rate; substituting the data transmission rates and the delay constraints into the total throughput mathematical model of the heterogenous network system, so as to obtain an objective function for calculating the greatest value of the total throughput; and calculating available signal power of a base station, which is transmitted at each resource block, and the optimum solution of a resource block used by a user. According to the invention, imperfect channel state information is described by using interruption probability, and a cross-layer design mechanism is guaranteed to be suitable for an actual wireless communication network.

The invention relates to the field of industrial control, in particular to a PLC universal platform and a design method thereof. The PLC universal platform comprises a conversion module, an editing module, a compiling module, a modular calling module, a communication module and a symbol table module. The design method of the PLC universal platform includes the steps of symbol table design, modular design, program conversion design and communication design. Thus, the universal platform can be used for PLCs of many manufacturers, the transportability of PLC programs among different machine types can be improved, burdens on engineering technicians and engineering designers can be relieved, the PLC universal platform has practical industrial application value, and the situation that the compatibility of the PLCs of the manufacturers is poor at present can be alleviated to some extent.

The invention provides a water quality monitoring instrument based on a controller area network (CAN) bus. The water quality monitoring instrument consists of a master control module and multiple submodules, wherein the master control module is in communication connection with the submodules through the CAN bus; the communication between the master control module and the submodules is completed according to three types of instructions, namely a task instruction, a status instruction and a characteristic parameter setting and querying instruction. According to the water quality monitoring instrument, a framed design architecture of a conventional water quality monitoring instrument system is changed, instruction communication between the master control module and each independent submodule is realized by adopting the CAN bus, and each module is in communication design by adopting a unified bus protocol. Therefore, a unified and open platform is provided for design of the water quality monitoring instrument, so that the flexibility of instrument design is improved, the instrument is conveniently maintained and upgraded, and the requirement of the market on the water quality monitoring instrument tends to a customized and flexible tendency.

The invention relates to an intelligent early-warning firefighting robot based on embedded Linux. The intelligent early-warning firefighting robot comprises a motion system unit, an information collection unit, an early-warning firefighting unit, a network monitoring unit and a communication unit. The intelligent early-warning firefighting robot has the beneficial effects that the intelligent early-warning firefighting robot is based on an embedded linux operation system, the kernel is linux2.6, the period of system development is shortened greatly, and system operation is made more stable. A 32-bit ARM11 microprocessor S3C6410 is adopted for the system, various functions needed by control of the intelligent early-warning firefighting robot are integrated, and all modules of the system are based on a CAN bus for communication. Through the communication design of the early-warning firefighting robot based on the CAN bus, on the one hand, wiring and usage of components can be reduced greatly, the arrangement space can be saved for the inner firefighting robot, and meanwhile, the safety and stability of the whole intelligent early-warning firefighting robot system can be promoted.

The invention relates to a multipurpose visual communication design system. The system comprises a bottom support body, the bottom support body is internally provided with a first power drive device,an output end of the first power drive device is provided with a swing seat, a fixed support rod penetrates through the middle of the swing seat, the two ends of the support rod are respectively sleeved with first bearings, the first bearings are disposed on a support seat, the support seat is fixedly connected with a bottom support body, the swing seat is extended through a through hole formed inthe upper surface of the bottom support body, a sleeve is arranged at the end thereof, a second power driving device is arranged in the sleeve, and a vacuum suction cup is arranged at the output endof the second power driving device; an annular guide rail is further arranged on the upper surface of the bottom support body, a semi-circular ring sliding block is slidably connected with the annularguide rail, the semi-circular ring sliding block is provided with a projection cloth and a lifting device spaced at the included angle of 180 degrees, and a photographic device is arranged at the topof the lifting device. The system adopts a camera to collect appearance images of each side of a product, performs synthesis and re-engineering, so that the speed of profiling and re-upgrading of theproduct is accelerated, has good practicality, and is worth popularization.

Design of ultra broadband transimpedance amplifiers (TIA) for optical fiber communications is disclosed. In one embodiment, a TIA comprises a g_m-boosted dual-feedback common-base stage, a level shifter and an RC-degenerated common-emitter stage, and a first emitter-follower stage, wherein the first emitter follower stage is inductively degenerated. An output of the TIA is buffered using a second emitter-follower stage.

The invention discloses a projecting device for visual communication design. The projecting device comprises a base, a viewfinder box and a mounting seat, and moving rollers are arranged under the base. The viewfinder box is arranged above the base, a moving support is arranged in the base and provided with longitudinal slide rails, a moving base is arranged on transverse slide rails which are arranged on the longitudinal slide rails, and a rotating motor is arranged at the bottom of the moving base. A supporting shaft is arranged on a height adjustor which is arranged above the rotating motor, a viewfinder stage is arranged above the supporting shaft and provided with an angle adjustor, and luminance compensators are arranged around an illuminating lamp arranged at the top of the viewfinder box. The projecting device is simple in operation, great in projecting effect, small in size, convenient to move, available for product position adjustment according to specific display requirements and high in practicality.

The invention belongs to the field of airplane navigation communication design and relates to an airborne instrument landing system data processing method based on software radio. The method comprises the following steps: 1, an AM demodulation module processing two digital baseband signals of a same-phase component sequence XI(n) and an orthogonal component sequence XQ(n) so as to obtain envelope signals A(n); 2, dividing the A(n) signals into four signals, obtaining 90Hz signals (i.e., A(n) signals) by subjecting one signal to a 90Hz filter, obtaining 150Hz signals (i.e., Z(n) signals) by subjecting one signal to a 150Hz filter, obtaining voice signals by subjecting one signal to a 300-3000Hz filter, and obtaining DC components by subjecting one signal to a DC component estimation module; 3, performing amplitude measurement on the X(n) signals and the Z(n) signals, wherein the amplitude measurement is performed by intercepting last one tenth of sampling points of a signal sequence; 4, respectively multiplying the 90Hz signals and the 150Hz signals by a coefficient square root of 2 so as to obtain corresponding amplitude output X' of X(n) as amplitude of the 90Hz signals and corresponding amplitude output Z' of Z(n) as amplitude of the 150Hz signals; and 5, according to the X', Y and the Z', obtaining a difference of depth of modulation needed for instrument landing through calculation.

To provide greater flexibility in wireless communication design and implementation, a device and method for implementing media access control (MAC) layer functionality without using an embedded processor for MAC layer functions. A key table stores connection identification data and communicates the connection identification data to a transmit control module and a receive control module to configure and control data transmission and reception, respectively. This use of dedicated hardware, rather than an processor, to implement MAC functions simplifies the design and construction of devices which wirelessly communicate with each other.

The invention discloses a large-power dual-wire pulse MIG (metal-inert gas welding) power supply digital man-machine interactive system, comprising a hardware part and a software part; the hardware part comprises a DSP (digital signal processor) minimum system module, a liquid crystal display module, a touch control module, an RAM (random access memory) data storage module, an EEPROM (electrically erasable programmable read-only memory) data storage module, a real-time clock module and an SCI communication module; the DSP minimum system module is respectively correspondingly connected with the liquid crystal display module, the touch control module, the RAM data storage module, the EEPROM data storage module, the real-time clock module and the SCI communication module one by one; meanwhile, the SCI communication module is connected with a lower computer power supply controller; the software part comprises development of drive programs of all peripheral devices, multi-machine communication design based on an RS232 bus and the design on the operation menu of a man-machine interface. Precise determining, displaying, storing and calling of welding parameters of the large-power dual-wire pulse MIG can be realized, and the large-power dual-wire pulse MIG power supply digital man-machine interactive system has the advantages of small size, light weight, simple operation and the like.

The present invention provides an electronic medical tag, an electronic medical tag logging-on system and an electronic medical tag emergency disaster relief system. The electronic medical tag emergency disaster relief system comprises the following components: a plurality of electronic medical tags which can be driven for sending out preset-color light and/or alarm sound, at least one portable reader which can be held by ambulance personnel and can read the information of the electronic medical tag through induction, at least one fixed reader which is equipped in a hospital and can read the information of the electronic medical tag through induction; and a central control device which is equipped at a central control center and can perform medical tag information collection and synchronization updating between the portable reader and the fixed reader. Through structure design of the electronic medical tag, and communication design among the medical tag, the portable reader, the central control device and the fixed reader, wounded person searching and rescuing efficiency can be improved. Unified collection and synchronization updating for the information of the wounded person are facilitated. Therefore wounded person rescuing efficiency on the disaster field can be greatly improved.

The invention discloses a responder for teaching. The responder is provided with a master control end and at least one responding end, wherein a master control end reset module, a keyboard module and a master control end controller module are arranged on the master control end; gained and lost points, reset and the like are set on the master control end by a host; the master control end controller module is used to determine who gets a right to respond according to input information of each responder end; according to the establishment of the modules, on the aspect of hardware, circuit analysis and circuit design are related to, and on the aspect of software, program design is related to, so that a hardware circuit design capability, a software programming capability and a software and hardware joint debugging capability of students can be improved, and a teaching effect meeting the teaching requirement can be achieved; a master control end wireless transmission module, a responder end controller module and a responder end wireless transmission module are arranged, and a communication design is additionally arranged on the software and the hardware, so that the students can further study communication knowledge, and the teaching effect is further improved.

The invention provides a diesel engine electronic control system CAN bus simulation platform comprising a computer simulation terminal and a CAN interface card, wherein database editing software and bus network simulation analysis software are installed on the computer simulation terminal. According to the platform provided by the invention, a CAN bus communication environment between a diesel engine electronic control system and a whole vehicle system can be simulated, the CAN bus communication design, simulation verification and communication test taking the diesel engine electronic controlsystem as a core are completed, the test of a network state between the electronic control system and other CAN bus nodes is brought to the linked test of the whole vehicle system, a communication fault is positioned during a development stage, an application risk is effectively avoided, and the development time and cost are saved.

The invention applies to the technical field of optical communication and provides a substation optical communication design method and device. The method comprises the steps of receiving inter-station parameters, wherein the inter-station parameters comprise inter-station optical cable distance, the number of inter-station connectors and average loss of optical fiber fusion joints; determining optical interface types according to the inter-station optical distance, wherein one optical interface type corresponds to one piece of inter-station optical cable distance in a preset range; calculating an attenuation limited regeneration section length, a dispersion limited regeneration section length and transmission quality according to the inter-station parameters; and outputting an optical attenuation value or an optical amplification value needing to be added according to calculation results. According to the method, the problems that the calculation quantity is high and an error is liable to occur in an optical interface selection calculation process can be effectively solved; functions such as automatically calculating the regeneration section length and automatically generating transmission quality index estimation tables required in a communication design report can be realized; the working efficiency of communication designers of a substation is improved; and the method and the device are widely applied to the optical communication design of the substation.

The invention discloses a thin-electrolyte-layer electrochemical reaction tank suitable for in-situ infrared detection. The electrochemical reaction tank comprises a base, a round liquid storage groove, a round planar BaF2 window flake and an upper round cover, and the thin-electrolyte-layer in-situ reaction tank with a solution self-supply function is formed by communication design of a solutionchamber and the liquid storage groove in an assembly mode of directly attaching the window flake to a working electrode on the base. By means of direct attachment of the working electrode and the window flake, thickness of a liquid layer in the solution chamber can be reduced, and extra loss of an infrared light signal in a measuring process is greatly reduced. Meanwhile, with the adoption of thecommunication design of the solution chamber and the liquid storage groove, loss of a reaction liquid in the solution chamber can be supplied in real time in the in-situ infrared measuring process. Areal and reliable in-situ measurement environment can be provided for chemical reaction process research of the electrode surface of a solid-liquid system, loss of the infrared light signal in the measuring process can be obviously reduced, and reliable infrared spectral information with high signal-noise ratio of the electrode surface can be obtained.