135results about How to "Implement initialization" patented technology

The invention discloses a quick starting optimizing method based on an X86 platform Vxworks operation system. The method comprises the following steps of (1) BIOS execution and (2) Vxworks loading and starting. According to the step of BIOS execution, after a computer is powered on and started, POST, initialization setting, execution of resident programs are carried out in sequence, a bootstrap program is started by calling an INT19 file in the system, a Vxworks file in the system is read directly and is analyzed after the bootstrap program is started, then an computer operation mode is switched to a protection mode from a real mode, and data and codes after analysis of the file are uploaded to assigned memory addresses respectively. According to the steps of Vxworks loading and starting, after uploading of the data and uploading of the codes are finished, the data and the codes skip to the position of a memory address e_entry corresponding to an ELF format file header to begin to be executed, the operation system is uploaded and started directly, and application programs are executed. According to the quick starting optimizing method based on the X86 platform Vxworks operation system, the method of uploading the system through bootrom in the prior art is changed, and the starting time is shortened to 3 seconds from original 20 seconds to 30 seconds.

The invention relates to an air-ground data link control management method which comprises the course of the link initialization of an airplane and a ground system, the establishment of the initialization link of the airplane and a ground station, an automatic tuning method of a ground base system and the multi-state link switching course, wherein the course of the link initialization of the airplane and the ground system comprises the following steps: the airplane searches in a public signal frequency band and the frequency band with service priorities, and the ground station also sends a ground broadcast frame in the present service frequency band and the public signal frequency band; the multi-state link switching course comprises the following steps: according to differences of switching control weights of the airplane and the ground station, if the ground system is required to be switched, and an airplane terminal has switching and initialization functions, the switching course of ground base requirements and airplane initialization is carried out, and if the airplane terminal is required to be switched and the ground station has switching and initialization functions, the switching course of air plane requirements and ground initialization is carried out. The flexible and automatic control and the link management with no gap switching of the airplane and the ground station can be guaranteed.

The invention belongs to the technical field of computer equipment and relates to a hardware real-time operation system. A timing manager is used for realizing time delay and periodic execution of a task through a hardware timer; a task manager is used for realizing operation management of a task control block queue; an event manager is used for realizing operation and management of a semaphore control block, a mutually exclusive semaphore control block, a semaphore set control block, a message mailbox control block and an event control block of a message queue control block; and a bus interface manager is used for realizing data transmission and control between a processor and the real-time operation system. The hardware real-time operation system has a reliable design principle, an advanced design concept and a scientific contract technical means, adopts a cross embedded technology and an integrated circuit technology to achieve a hardware real-time operation system IC (integrated circuit), effectively improves real-time performance, reliability and stability of the real-time operation system, and has wide development and application values.

The invention provides an initialization method and system of a monocular SLAM algorithm. The method comprises the following steps of selecting pixel points in the image overlapping area from the acquired image; converting the selected pixel points into pixel points corresponding to the binocular SLAM algorithm; and calculating the three-dimensional coordinates of the converted pixel points in theimage overlapping area based on a binocular SLAM algorithm, converting the three-dimensional coordinates of the pixel points into coordinate information of a camera coordinate system, and initializing the monocular SLAM algorithm according to the coordinate information of the camera coordinate system. Therefore, according to the embodiment of the invention, the monocular SLAM algorithm can be assisted to realize initialization according to the binocular SLAM algorithm, so that the monocular system corresponding to the monocular SLAM algorithm can realize initialization faster and better, andthe stability and the calculation precision of the monocular SLAM algorithm are improved.

The invention discloses a self-adaptive detect method of the gas dissolved in the oil of a drawing transformer, and a relative device, wherein the invention uses a high-density gas sensor array to check the object gas to obtain a first check value, when the first check value is higher than a preset threshold value, using the first check value as the check result, or else, uses a low-density gas sensor array to check the object gas again, using the second check value as the check result. And the invention judges if the ratio between the average value and mean square difference of the check values of all sensors in the array is over a preset value to check the condition of the array. The invention has high measuring accuracy, better repeatability, long service life, and low check cost.

The invention provides a self-adaptive digital pre-distortion system based on a reference signal and an initialization correction method. A series of pre-distortion initialization parameters are obtained through introducing a reference signal generator module to a numeric field and carrying out initialization training on the pre-distortion system based on the reference signal; and when the non-linear change of a power amplifier triggers a correction enabling signal, the pre-distortion system is corrected based on the reference signal to obtain a corresponding pre-distortion parameter. The blind spot problem of the traditional pre-distortion system is solved, the non-linear change of the power amplifier can be precisely tracked, all transmission signals are guaranteed to be subjected to pre-distortion processing, and the reference signal is higher in flexibility in format, in length and in frequency band.

The invention provides an extendable software design architecture which comprises a system platform, a foundation service, an extension interface and a communication channel, wherein all functional assemblies operate on the system platform under the unified management of the foundation service, and access modules are mutually communicated through the communication channel, meanwhile, rapid addition and extension of the functional modules can be realized through the extension interface without re-operating software architecture, thus practicability and extendibility of software can be greatly improved.

The present invention relates to a multi-feature fusion pedestrian detection method based on an HIKSVM classifier. The method concretely comprises the following steps of: determining a behavior area in a pedestrian image sequence; extracting multi-item features in the behavior area, and forming fusion features; and employing a trained HIKSVM classifier based on the fusion features to perform pedestrian detection. The method provided by the invention improves a feature extraction method, after HOG features are extracted, a gradient field is changed to an optical flow field through analogy, andHOF features are extracted, shape information and motion information of an object are retained, so that computation complexity of describing a full-size moving object by employing the optical flow field is avoided and the robustness is high; an LBP algorithm is improved to extract texture features through adoption of an LQC algorithm, so that the computation complexity is reduced on the basis without losing texture information; and a histogram intersection kernel (HIK) and an intersection coordinate drop method are employed to perform classification training of the SVM classifier, so that thecomputation complexity is low and the detection precision is high.

The invention belongs to the field of nuclear magnetic resonance data processing, and particularly relates to a deep neural network magnetic resonance signal denoising method based on discrete cosinetransform. The method includes the following steps of: firstly, adopting the discrete cosine transform to transform a noisy signal and a simulated signal as the input and ideal output of a deep neuralnetwork; and then, performing layer-wise greedy pre-training on the deep neural network by adopting an unsupervised learning mode to realize network weight initialization; finely adjusting global parameters by using an error back propagation method; and finally, inputting a test set to the trained deep neural network, performing inverse normalization on the network output, and then performing inverse discrete cosine transform to obtain the denoised nuclear magnetic resonance signal. According to the method, the nonlinear mapping from the noisy signal to a clean signal can be realized, and one-time elimination of all types of noise in the nuclear magnetic resonance signal can be realized; various complex and variable detection environments and noise interference can be adapted, the signal-to-noise ratio can be significantly improved, and the accuracy of the subsequent inversion and interpretation extraction parameters can be improved; and moreover, the introduction of discrete cosine transform and restricted Boltzmann machine pre-training greatly shortens the training time of the deep neural network, improves the training efficiency of the deep neural network, and makes a method for eliminating nuclear magnetic resonance noise in the deep neural network be practical.

The invention discloses a key container and digital lock control system and a control method thereof. The key container and digital lock control system comprises a digital lock, a key container and a third-party certification mechanism, wherein any two of the digital lock, the key container and the third-party certification mechanism perform mutual information interaction. The key container and digital lock control system simultaneously achieves the functions of digital lock initialization, digital lock IP address change, key container secret key modification, digital lock matching in the key container, digital lock matching in the key container, close range unlocking, remote unlocking, encryption algorithm update. The control method comprises the steps that an encryption algorithm is utilized to encrypt the communication between the digital lock and the key container so as to improve the anti-calculated attack performance of the system, meanwhile periodical encryption algorithm update is performed through secret key definition of a user, the safety of the system is further improved, the user can access the key container system by inputting a correct secret key, non-user operation can be prevented, and the safety is improved.

The invention discloses a calculation method for optimizing a municipal drainage network plane layout design. The calculation method is characterized by mainly comprising three steps that firstly, a construction cost fitness function which has high matching degree with drainage network assessment is constructed; secondly, an initialized population is obtained from a tree structure genetic algorithm initializing scheme based on the divide-and-conquer method; thirdly, an expanded variable population is obtained by utilizing a line-adding and circle-breaking method. The calculation method for optimizing the municipal drainage network plane layout design has the advantages that the matching degree between the constructed construction cost fitness function and the drainage network assessment is high, so a drainage network can be well planned; the tree structure genetic algorithm initializing scheme based on the divide-and-conquer method enables an initialized scheme of a tree structure to be completed rapidly, and large-scale initialization of the large-scale pipe network can be achieved; a variation algorithm of the drainage network is simpler by utilizing the line-adding and circle-breaking method, a novel pipe network planning map can be generated after each line is cut out in a circle with added lines, and variation diversity is guaranteed.

The invention discloses a moon landing satellite formation initialization method and belongs to the aerospace technical field. The specific implementation process of the method of the invention includes the following steps that: satellite dynamics equations are respectively established under the inertial system of the earth and the inertial system of the moon; the formation initialization of a plurality of satellites is ensured through a plurality of times of multi-target orbit correction; mid-course correction is additionally adopted in earth-moon transfer, so that the orbital inclination angles of the satellites can be ensured, the heights of the perilunes of the satellites are identical, and time for the satellites to arrive at the perilunes is close to each other; maneuvering is applied at the perilunes, so that the heights of the apocynthions of the satellites can be identical; a reference satellite is determined, the other satellites are tracking satellites, and two times of perilune phase adjustment maneuvering is adopted to ensure that the phase angles of the tracking satellites are the same as the reference satellite; and optimal two-pulse or multi-pulse intersection is adopted to make the speeds and positions of the tracking satellites and reference satellite meet formation constraints, so that the formation initialization of the moon landing satellites can be realized. With the orbital formation initialization method adopted, after the plurality of satellites fly to the moon separately, the satellites can realize a moon formation. The method has the advantages ofhigh efficiency and low fuel consumption.

The invention discloses a method for port function initialization for a system on chip. The method comprises the steps that the system on chip is powered on; a nonvolatile storage space sends a zone bit to a start control program of the system on chip; the start control program judges whether the system on chip is powered on initially or not according to the zone bit; if the system on chip is not powered on initially, the nonvolatile storage space sends an interrupt flag to the start control program of the system on chip to enable the start control program to skip a program segment process of port initialization by software; and a configuration circuit reads the configuration information in the nonvolatile storage space to configure the port of the system on chip. According to the method, when the system on chip is powered on for more than one time, hardware rapid response is executed and the port function initialization is carried out, so that the efficiency of the system from powering on to the port function initialization is improved, and the instantaneity and the reliability of the system are reinforced. The invention also discloses an apparatus for port function initialization for the system on chip and the system on chip including the apparatus.

The invention belongs to the technical field of satellite navigation, in particular to a broadcasting method of a satellite real-time accurate positioning product. Satellite positioning information is separated into a large number and a small number according to the height above or below a hundred meter at a server end, and a client end recovers an identical accurate positioning product through the large number acquired from broadcast ephemeris and the small number transferred by the server. The invention can solve the problems of failure or reduced accuracy of a high-accuracy differential product, and the like caused by the inconsistence for upgrading the broadcasting ephemeris of the server and the client end and the inconsistence between a server and client end software algorithm module and a truncation error.

The invention belongs to the field of pH detection and particularly relates to a pH detection device and a method. The pH detection device comprises a probe, a detection bracket, a stirrer, a probe purifying mechanism, a probe driving mechanism and a control device, wherein the probe is used for detecting pH of a liquid in a reagent bottle; the detection bracket is used for fixing the probe; the stirrer is used for stirring the liquid in the reagent bottle; the probe purifying mechanism is used for cleaning and air-drying the probe after pH detection; the probe driving mechanism is used for driving the detection bracket to rotate and move vertically to enable the probe to move back and forth in the reagent bottle on the stirrer and in the probe purifying mechanism; the control device is connected with an output end of the probe and a controlled end of the probe driving mechanism. The pH detection device has the following advantages: the probe is purified by the probe purifying mechanism, preparation is made for next experiment, and mechanical technique support is provided for automatic pH detection on the basis of the prior art.

The invention discloses an electric vehicle cloud payment power supply pile reservation charging method includes the following steps: 1. a power supply pile is reserved; 2. the power supply pile position is determined; 3. a charger is connected with the power supply pile; 4. a user performs prepayment; 5. the power supply pile performs electric charge calculation; 6. a cloud server prejudges the charging cost; 7. the cloud server judges whether an electric vehicle is fully charged; and 8. charging completion reminding is provided. According to the electric vehicle cloud payment power supply pile reservation charging method, reservation charging positions and non-reservation charging positions are arranged on the power supply pile, thereby realizing reservation of charging positions, realizing preparation of charging in advance, and preventing the problem that charging cannot be performed due to too many people needing charging. Through three payment modes of card swiping, WeChat and alipay, the power consumption of the user can be accurately calculated and reasonably charged, an account settling unit is precise from ''yuan'' to ''fen'', and thus charging is charged more reasonably.

The invention provides a method of a 1553B bus remote unit for self-adaptively receiving and transmitting data. he method includes the steps of: S1: dividing a communication channel type spectrum, and further defining the sizes of a data subaddress buffer area and a data transmitting subaddress buffer area in each type spectrum; and defining an information frame directing at each RT side; S2: starting data receiving and transmitting; S3: data of the information frames are configured to display the actual used lengths of the data receiving subaddress buffer areas and the data transmitting subaddress buffer areas of the RT sides; S4: broadcasting the information frames after being configured according to step S3; S5: the RT sides defining initial pointers of the buffer areas according to the broadcast information frames; S6: the RT sides performing data receiving and filling according to the initial pointers defined in the step S5; and S7: repeating the steps S3 to S6 till data receiving and transmitting tasks in a cycle are completed.

The invention discloses methods and device of channel register initialization, DMA (Direct Memory Access) equipment and terminal. A channel register in the DMA equipment is initialized through the methods of channel register initialization provided by the embodiment, and the DMA equipment no longer receives direct initialization information, but accepts data movement instructions after protectionprocessing. The initialization information is not directly exposed. The embodiment further provides the device of channel register initialization, the DMA equipment and the terminal. A de-protection processing rule corresponds to a protection processing rule, only de-protection processing of the data movement instructions obtained by processing of the protection processing rule can be successfullycarried out by an instruction processor to obtain the initialization information, thus two processes of protection processing and de-protection processing cooperate with each other, authentication onsources of the data movement instructions can be realized, monitoring on DMA data movement can be realized, legality of data movement requesters can be guaranteed, and security of a system can be improved.

The invention discloses a comprehensive avionics PHM system, and aims to provide a health management system which can reduce the fault positioning time of a task system and is high in transmission efficiency. The comprehensive avionics PHM system is realized through the following technical scheme: N signal processing modules and system control modules and a CAN bus serving as a health management data transmission medium form a star-shaped switching network by taking the system control modules as a health data management core and connecting the signal processing modules and the system control modules of a high-speed switching network; the system control module sets threshold number, temperature and voltage range values for various state values of the signal processing module through a CAN bus interface, and the signal processing module is connected with a CAN bus of the system control module through a CAN bus to achieve separation of health management data transmission and inter-moduleservice data communication. Once it is monitored that the state value exceeds a set threshold event, the state value is reported to a system control module through an interface collected by CAN bus health management software.

The embodiment of the application discloses a method and device for initializing electronic token equipment. An electronic token is of a card type structure; a Bluetooth communication chip, a secure chip, a battery and an electromagnetic induction coil are embedded into the card; the electronic token equipment is conveyed to an initialization area through a production line after being produced; a wireless charging electromagnetic field is arranged in the initialization area. On an electronic token equipment side, the method comprises the following steps: receiving the wireless charging electromagnetic field; judging whether or not the electronic token equipment is initialized; if the electronic token equipment is not initialized, broadcasting a Bluetooth signal in order to establish wireless communication connection with a server; and generating an initialization seed, saving the initialization seed in a local memory, and transmitting a corresponding relation between the initialization seed and an electronic token equipment identifier to the server through the wireless communication connection. By adoption of the method and device provided by the invention, batch initialization of the electronic token equipment without any physical communication interface can be realized.

The invention belongs to the field of resistance type random access memory peripheral design and particularly relates to a non-volatile memory with partition write-protection and guard position scrambling processing functions and a write-operation method thereof. An overall circuit of the non-volatile memory comprises two resistive memory arrays with different functions and two peripheral write-protection circuits with corresponding functions. One resistive memory array is used for saving data related to secret keys, certification labels and other safety information, and the other resistive memory array is used for saving protected data needing to be confirmed during write-operation. By means of the memory and method, the data related to safety information can be independently saved to prevent modification or prevent the protected information from being unintentionally modified or maliciously tampered by the outside.

The invention discloses a Raid card firmware layer initialization method based on a domestic processor platform. The Raid card firmware layer initialization method comprises the steps of 1, judging whether a driver can run on an RAID card or not; 2, configuring RAID card related registers; 3, inquiring DMA resources needed by the RAID card, and carrying out resource allocation; 4, performing datainteraction with firmware of the RAID card, judging the state of the RAID card, and continuing command interaction when the RAID card is in a ready state; 5, carrying out basic information inquiry, inquring basic information of the RAID card comprising an RAID card controller model, firmware version information, hard disk information, RAID mode information and the like; step 6, according to the obtained RAID card information, establishing a basic command queue for the SCSI command layer to use; step 7, establishing an SCSI layer command interface; and step 8, establishing a UEFI command interface. According to the method provided by the invention, firmware layer driving of the RAID card can be carried out on X86 and non-X86 platforms of a domestic processor.