104results about How to "Easy to update and upgrade" patented technology

The invention relates to an urban intersection traffic signal control method, relates to a multi-phase-jump and vehicle full-dynamic induction traffic control method, and aims to flexibly control traffic signals at intersections by using a traffic signal instrument so as to improve the traffic pass property of vehicles at the intersections and reduce the total delay time of vehicles. The method comprises the following steps: 1) setting an upstream vehicle detector and a parking line vehicle detector at each lane of a traffic intersection, and detecting dissipating vehicle and information of vehicles entering the intersection in real time; 2) according to the numbers of vehicles waiting in different lanes and vehicles running into the intersections, automatically transmitting passing signals to busy lanes by using a busy lane priority pass method through a traffic signal instrument control system so as to induce the vehicles in the lanes to pass prior; 3) by using a method that compatible lanes adopt one same phase and non-compatible lanes are subjected to phase-jump induction control, providing the priority pass right for lanes with a plenty of waiting vehicles or a lane into which a plenty of vehicles run. Due to the adoption of the method, a relatively good induction effect can be achieved at intersections with unsaturated traffic vehicles.

The invention discloses a digital signal down-conversion processing system based on an MIMO real-time testing platform, pertaining to the technical field of digital signal processing. The system comprises four DDC modules and each DDC module consists of four independent digital signal down-conversion processing channels. Each channel consists of an analog-to-digital converter, a digital quarter mixer and a digital decimation filter set. The digital quarter mixer consists of a digital controlled oscillator and two paths of multipliers, and the digital controlled oscillator is respectively connected with the two multipliers; the digital decimation filter set consists of two groups of filters with complete same parameters and each filter group respectively comprises a CIC decimation filter, a CFIR compensation filter and a PFIR matched filter which are connected in sequence. The system has good expansibility and modularization and can meet the requirements of real-time and high-speed performance.

An Android malicious application detection system based on multi-operation environment behavior comparison comprises an information extraction module, a dynamic analysis module, an environment detection countering module, a behavior record analysis module and a system operation scheduling module, wherein the information extraction module is used for decompiling a detected APK installation file andproviding data support for subsequent log analysis; the dynamic analysis module is used for dynamic analysis of an Android application by using a sand box technology and recording behaviors executedin the program running process; the environment detection countering module is used for detecting environment detection behaviors in the program running process in real time, carrying out countering according to the detection behaviors of different levels and modifying operation environment detection results in the application into camouflage operation environment characteristics; the behavior record analysis module is used for unified management and analysis of all behavior logs after the to-be-tested application repeatedly runs; the system operation scheduling module is used for controllingthe whole operation process in the system operation process. By means of the method, the behavior difference situation of the application can be captured, whether malicious behaviors exist or not is detected, and the method is suitable for recognizing environment-sensitive malicious applications.

The invention discloses a method for screen interaction. The method comprises the following steps of: acquiring facial feature, analyzing angle and/or pose change of the facial feature relative to a screen, and correspondingly adjusting the display mode of the screen according to the angle and/or pose change of the facial feature relative to the screen. An operator and the screen are used as a relative reference system, so that the problem of screen display effect interaction under different observation angles and observation poses of the operator is best solved; and the method is implemented without increasing hardware of equipment and implemented by using the most basic configuration of the equipment such as the screen and a sensor and using a software form, and update and upgrade are convenient. The invention also discloses a device for the screen interaction and electronic equipment.

The invention relates to baseband signal processing device and method of a multiple-mold communication system. The method comprises the following steps of: forming a baseband signal and a control word used in network maintenance into an Ethernet frame; sending the Ethernet frame which is formed by the baseband signal and a control word and processed through an Ethernet physical layer to opposite equipment; and acquiring data from corresponding Ethernet frame positions in the opposite equipment, restoring into the baseband signal, and meanwhile solving the control word to maintain a network ofthis level. In the invention, a multiframe structure is utilized to realize signal transmission and different requirements on bandwidths can be satisfied; the control word is defined in the multiframe, and the use of the control word can enrich network modes of a system level and greatly facilitate the maintenance of the whole network.

The invention relates to an implementation method and a system thereof for an intelligent browser of a mobile terminal. The method comprises the following steps that: step 1, the mobile terminal obtains an intelligent browser homepage from an intelligent browsing system, wherein the intelligent browser homepage comprises a functional region and a page region; step 2, after obtaining the intelligent browser homepage, the mobile terminal transmits a webpage obtaining request to the intelligent browsing system through the intelligent browser homepage while being needed to browse the webpage; step 3, the intelligent browsing system receives the webpage obtaining request of the mobile terminal, obtains the webpage requested by the mobile terminal, embeds the obtained webpage requested by the mobile terminal into the page region of the intelligent browser homepage and transmits the intelligent browser homepage embedded with the webpage to the mobile terminal; step 4, a mobile terminal localbrowser receives the intelligent browser homepage, and parses and represents the intelligent browser homepage. The implementation method and the system thereof for the intelligent browser of the mobile terminal can migrate the capability of the terminal to a network side through a web edition browser, so that operation requirements on the terminal are reduced, and power consumption is also reduced.

The invention relates to a kind of encryption and deciphering method of remained difference coefficient breadth in H. 264 standard video information, it characterized in that: based on self adapting updating rule of remained difference coefficient breadth coding middle variable suffiXLength, adopting difference value absolute value which calculates current remained difference coefficient breadth and suffixLength self adapting updating threshold value, then based on the difference value absolute value, deciding bit number of last bit of the remained difference coefficient breadth which is to be encrypted, video code flow encrypted fulfill the H. 264 standard format. The characteristics of the invention are following: independent on video coder and decoder, video code flow encrypted fulfill the H. 264 standard; complexity of calculation is low, can fulfill the real time requirement of video information process and transmission; not affect the compression ratio; not affect video communication and network fault tolerant of video transmission; secrecy class can be realized; independent on concrete cryptogram arithmetic, it can use different international normal cryptogram arithmetic, the secrecy can achieve level that current technique can not decrypt.

The invention discloses a support device which is used for supporting a display device. The support device comprises a supporting mechanism detachably connected to the display device in a pivotal mode and a seat body connected to the end, away from the display device, of the supporting mechanism in a pivotal mode. A host module of an electronic device is arranged in the seat body, the host module of the support device can be detachably contained in the seat body, and therefore the host module can be conveniently upgraded and updated. The invention further relates to the electronic device provided with the support device.

The invention provides a greenhouse cluster environment regulation and control method and system. The method comprises the steps that if the value of the external environmental meteorological information forecasted according to the given meteorological forecasting model is within the optimal growth environmental range of the target greenhouse crop, the dynamic environment regulation and control mechanism in the target greenhouse is controlled to be turned off and the target greenhouse environment is enabled to be communicated with the external environment, wherein the given meteorological forecasting model is constructed by using a neural network algorithm based on the sample meteorological information of the greenhouse cluster in which the target greenhouse is located in advance. Furthermore, the system comprises a greenhouse environment regulation and control module 3 and also comprises an actual meteorological information acquisition module 1 and a meteorological information forecasting module 2. The greenhouse environment regulation and control module 3 can realize the method. The relatively standard meteorological environment reference can be provided, the optimal growth environment can be provided for the crops in the greenhouse, and the resource consumption can be reduced and the overall economic benefit can be enhanced.

The invention provides video special effect software and a generation method and device thereof, equipment and a storage medium. The software comprises a rendering engine, a virtual machine and a script library. The rendering engine comprises a plurality of special effect components; the script library comprises script files; the virtual machine is used for realizing mutual calling between the rendering engine and the script file; the rendering engine is used for driving the virtual machine to load and execute a script file associated with a special effect instruction when the special effect instruction for triggering special effect generation is received; the script file is used for calling a special effect component corresponding to the special effect instruction in an executed process,so that the called special effect component combination renders a special effect corresponding to the special effect instruction.

The invention discloses a WEB background monitoring management platform for an electric vehicle time-sharing leasing system. The electric vehicle time-sharing leasing system comprises the components of a central server, a plurality of sub-servers, a user handheld terminal, automotive charging piles and leasing vehicles. The user handheld terminal is in communication connection with the central server. The sub-servers are in communication connection with the central server. The sub-servers are in communication connection with a plurality of automotive charging piles. The leasing vehicles are in communication connection with the sub-servers. The WEB background monitoring management platform comprises a monitoring platform which is connected with the center server. The monitoring platform comprises a rule module, an APP module and a monitoring module. The WEB background monitoring management platform is beneficial in that for performing monitoring management on the whole leasing service, monitoring management is performed on the vehicles, the members, the leasing service and the like through the monitoring management platform. A B/S architecture is utilized for facilitating platform updating and upgrading. The WEB background monitoring management platform for the electric vehicle time-sharing leasing system is used for performing monitoring management on the leasing system.

The invention relates to a multi-serial-port navigation information simulation integrated system, which is characterized in that hardware thereof includes a PC104 architectural computer, a monitoring display, an input device, an RS232/RS485 asynchronous serial interface chip and an interface device. The monitoring display and the input device are connected with the PC104 architectural computer directly, the interface device is a drive card with eight serial ports and is connected with the PC104 architectural computer through the RS232/RS485 asynchronous serial interface chip, the PC104 architectural computer realizes simulation of information of navigation equipment, a man-machine interaction interface is displayed in the monitoring display, and the interface device is connected with target equipment and can be provided with eight serial ports. The multi-serial-port navigation information simulation integrated system has the advantages of low dependence on hardware structure, low cost, high flexibility, convenience in carrying and use and reliable performance, and has the friendly man-machine interface.

The invention discloses an electrochemical test method and device based on automatic coating and a micro-liquid pool, and relates to the technical fields of metal corrosion, automatic coating technology, micro-area electrochemistry and systematic data accumulation and application. The electrochemical test device comprises an automatic coating system, a micro-liquid pool test system, a test liquidupdating system, a high-precision XYZ three-dimensional mobile platform, a microscopic monitoring system, an electrochemical test system, a storage and control system and a connecting system for controlling effective transmission of control commands and test data among the systems. The device adopts a modular design, has high expandability, combines an automatic coating technology with a micro-liquid pool test system, carries out instant electrochemical sample sealing and measurement on a target research area of a sample under a microscope, accurately controls the reaction area of a working electrode, has a high solution amount/reaction area ratio of the working electrode, can reduce the influence of reaction products, eliminate crevice corrosion, and reduce the risks of liquid leakage, blockage and oxygen diffusion, has lower solution resistance in a test process, and realizes automatic sample sealing and measurement of micro-area electrochemistry.

The invention relates to the technical field of closestools, in particular to a smart closestool. The smart closestool comprises a controller for controlling each module of the smart closestool, a lifting control module connected with the controller for adjusting lifting and lowering of a closestool body, a cleaning control module for automatic cleaning and connected with the controller, a voice instruction interaction module connected with the controller for intelligent human-computer interaction, an automatic closestool flushing module for flushing water after shitting is carried out and connected to the controller, a heating and drying module connected with the controller for heating the seat temperature, a deodorizing module connected to the controller for deodorizing and a switching power supply connected to the controller for high frequency power conversion. According to the technical scheme provided by the smart closestool, the defects in the prior art that a voice instruction interaction function, a whole machine lifting adjustment function and a whole machine integral control function realized by main control module multi-channel parallel transmission are not achieved areeffectively overcome.

An embodiment of the invention discloses a main control device and user authority control method of a smart TV system and server and belongs to the field of electrical control technology. The main control device includes at least one signal source input port used for acquiring signal streams from signal sources; at least one main control output port connected with a display device and outputting the signal streams to the display device for playing; a center control board connected between the signal source input port and the main control output port and used for establishing a transmission channel between the signal source input port and the main control output port for the signal streams; at least one main control module used for controlling the transmission channel established by the central control board; a membership control module used for performing membership information interaction with a background server and performing membership authority control over the main control module. According to the embodiment of the invention, through arranging the main control device and the display device separately, the main control device can perform centralized control over multiple display devices. Therefore, coordinative control for distribution of signal streams generated by the signal source to the multiple display devices is realized. Also, the structure of the display device canbe simplified. Besides, membership authority management can be realized.

The invention discloses a DES encryption algorithm based encryption method. The encryption method adopts a symmetric encryption method in which a server and a client share a key set file and a dynamic key is used in the communication process. The encryption method comprises the steps that a key set file is built, wherein the key set file is a cuboid-shaped three-dimensional model formed by three mutually perpendicular directions X, Y, Z; the server randomly selects a coordinate in an effective value range of X and an effective value range of Y respectively so as to determine a set of keys, and performs DES encryption; the selected X-value and the selected Y-value are converted into 4-bit hexadecimal numbers, and the 4-bit hexadecimal numbers are combined with a DES encryption result in the step B; BASE64 encryption is performed on a combination result, and the encrypted combination result is sent to the client; and the client receives the sent BASE64 encrypted data, performs BASE64 data decryption, and then acquires a key from the key set according to the XY coordinate values so as to parse the encrypted data. The encryption method disclosed by the invention performs encryption on a data segment so as to increase the transmission security of the data in the network, the breaking difficulty is greatly increased, and the encryption efficiency is high.

An embodiment of the invention discloses a main control device and a play control method of a smart TV system and belongs to the field of electrical control technology. The main control device includes at least one signal source input port used for acquiring signal streams from signal sources; at least one main control output port outputting the signal streams to display devices for playing; a center control board for establishing a transmission channel between the signal source input port and the main control output port for the signal streams; at least one main control module for controllingthe transmission channel established by the central control board; an user authority control module connected with the main control module for acquiring configuration information of the display device according to user input and providing the configuration information to the main control module so as to control work of the display device through the main control module. The technical scheme provided by the embodiment of the invention can be used for coordinative control for distribution of signal streams generated by the signal source to the multiple display devices, so that watching requirements of different users can be met and managed. Also, the structure of the display devices can be simplified, the cost of the display devices can be reduced and the size of the display devices can bereduced.

Embodiments of the invention disclose a main control device of a smart television system and an implementation method, and belong to the technical field of electrical control. The main control deviceincludes at least one signal source input port for acquiring a signal stream from a signal source; at least one main control output port for outputting the signal stream to a display device for playing; a central control board for establishing a transmission path between the signal source input port and the main control output port for the signal stream; at least one main control module for controlling the transmission path established by the central control board; and a coordination module for providing a control instruction to the main control module according to a playing status of each display device to control display content of each display device. In the embodiments of the invention, the main control device and the display device are arranged separately, centralized control of multiple display devices can be performed by the main control device, the signal streams generated by the signal sources can be controlled in a coordinated manner to be distributed to the multiple displaydevices, the collaborative display of the display devices is realized, and the structure of the display device is also simplified.

The invention provides an LED display screen drive device and an LED digital perpetual calendar. The LED digital perpetual calendar comprises an LED display screen and a drive device. The drive device comprises a control chip. The LED display screen comprises a plurality of LEDs, and the control chip comprises n signal control ports (n>=2); the n signal control ports are connected n scanning lines respectively, each scanning line also serves as a scanning electrode wire and a signal electrode wire, when one of the scanning lines serves as the scanning electrode wire, other scanning lines serve as the signal electrode wires, and the LEDs are connected between any two scanning lines. By means of the LED display screen drive device and the LED digital perpetual calendar, the use amount of the control ports of the control chip of the LED display screen drive device is reduced, the use ratio of the control ports of the chip is improved, selection demands of control chip performance are lowered, and new functions can be added to the LED digital perpetual calendar conveniently.

The invention provides an electronic lock, an electronic lock system and an unlocking method for the electronic lock. The provided electronic lock comprises a sound pickup module, a locking end processor, an audio decoding program and an unlocking control program, wherein the sound pickup module is used for acquiring an audio unlocking instruction; the lock end processor is used for executing theaudio decoding program, analyzing the audio unlocking instruction and obtaining a target unlocking password; the lock end processor executes the unlocking control program and verifies whether the target unlocking password is legal or not. The provided electronic lock system comprises a client and the electronic lock which are matched; the client comprises a code acquisition module, a terminal processor, an audio coding program, a communication module and a sound output module; the code acquisition module acquires an equipment code of the electronic lock; the terminal processor executes the audio coding program, converts an initial unlocking password into the audio unlocking instruction and outputs the audio unlocking instruction by the sound output module. By using the electronic lock, operation cost of hardware is greatly reduced, and simplicity and convenience in operation can also be ensured.