543results about How to "No need to change the structure" patented technology

The embodiment of the invention provides a method for processing carrier activation related information, a base station and UE (User Equipment), wherein the method comprises the steps of obtaining the carrier activation related information by a network side, wherein the carrier activation related information comprises at least one of carrier activation information and carrier deactivation information; transmitting a physical downlink control channel (PDCCH) signaling to the user equipment (UE), wherein a default redundancy bit, a default redundancy state or a default redundancy combination of a scrambler and a state in the PDCCH signaling represents the carrier activation related information so that the UE carries out corresponding processing according to the carrier activation related information represented by the PDCCH signaling. The method, the base station and the UE, which are provided by the embodiment of the invention, completely make use of the traditional PDCCH signaling without causing extra expenses and reducing a scrambler space of the traditional PDCCH signaling, and cannot bring inconvenience to blind detection of the PDCCH without need of changing the length or structure of the traditional PDCCH signaling.

The invention provides a customizable query method and a platform on the basis of service composition. The method comprises: describing own demands to the platform by a user through an appointed client end visible component and through operations of selecting and filling the attribute value of the component, analyzing the initial state and the target state of a data query request, then, searching and combining a corresponding basic service calling sequence, then, executing basic services in the sequence, thereby obtaining a result set which contains user expected result data, and generating a final result to display to the user through screening, sequencing and assembling. In the method, the user describes own demands to a system actively, the system can effectively adapt different individualized demands of different users through receiving user description and dynamic analysis processing, the application system development work load and the later maintenance cost are lowered, and the friendliness of a data query application system is improved, which enables the user to customize data query actively and enables inquiry to be flexible and convenient.

The invention discloses a self-adapting special interference suppressing technology aim at phased array radar. The conventional phased array radar can suppress the noise to inhibit the interference by self-adapting, firstly the interference data received by the radar receiver can be learned then to form a zero point on the interference direction. The zero point depth and width generated by the conventional processing method all can be influenced by the array error and are not suitable for the special interferences, such as the dense cheating interference, the movement interference, the fast transforming clearance type interference or the composite interference and so on complicated interference forms. Adopting the ultra-lower secondary lobe aerial is the most effective anti-interference method, but under the present technology and technological level, the over-high secondary lobe requirement for the phased array aerial is impractical. The invention can implement the estimations of the interference source number and the orientation by the space spectrum estimating technology firstly, and then can construct the interfering data covariance matrix by using the analog signals, then can obtain the self-adapting minor lobe cancellation weight vector calculated by the self-adapting method, thereby forming the wide zero point and deep zero defect self-adapting directional diagram to inhibit the complicated interferences. The technology of the invention can be used for the signal processing system of the phased array radar, the implementing is simple, and the invention has wide practical application prospects.

The invention, which belongs to the technical field of vehicle-mounted network, discloses a vehicle-mounted CAN bus network abnormity detection method and system. CAN bus abnormity detection based on a relative entropy is performed on an identifier ID; a sliding window with a fixed message number is employed; messages are paired based on a relationship between a message sensing sequence and a sending number, relative entropies of the paired messages and relative entropies of all IDs and normal distribution are calculated, and whether abnormity occurs is determined based on the two kinds of relative entropies; a replay attack and a denial of service attack are detected; CAN bus network abnormity detection based on a message data domain is performed on a data domain; features, including a constant value feature, a cyclic value feature, and a multi-value feature, of the message data domain are extracted; and a normal message model is established based on the extracted features and the message abnormity is detected. Therefore, the replay attack, the denial of service attack, the tampering attack and the forgery attack can be detected effectively and efficiently; more abnormal information is provided; and thus subsequent protection can be performed well.

The invention discloses a self-adaptive continuous erasure decoding method and architecture based on a polarization code. The method comprises the following steps: selecting a SCA-SCL decoder when a signal to noise ratio (SNR) is less than a specific threshold value, or selecting an adaptive SCL decoder; and performing the decoder conversion by use of a switching mechanism when a list length is greater than the specific threshold value. By use of the method disclosed by the invention, the optimal condition of two decoder working modes is selected, and the existing combined logic circuit architecture is not greatly changed, so that the architecture is universal and general, popular and easy to understand; not only is the performance of the decoder improved, but also is the complexity of the decoder lowered.

The invention discloses a vehicle-borne emergency call-for-help system and a call-for-help method thereof, which enable manual call-for-help and automatic emergency call-for-help for car accidents to be realized and belong to the technical fields of automotive electronics and communication. According to the system and the method, embedded and integrated navigation technology and communication technology are adopted so as to realize manual or automatic emergence call-for-help. Vehicle collision detection is carried out through vehicle motion information acquisition by an information acquisition device in the system and safety airbag ignition detection; then, collision information is transmitted to a central processing unit for processing; and processed data and pre-stored basic vehicle information are transmitted and received through a triple-redundancy method via short message, network and voice DTMF at most and reliable technologies such as non-normal termination decision, dual antennas and standby power supplies are adopted so as to improve the success rate and reliability of call-for-help and rescue. According to the system provided by the invention, an original vehicle is only modified a little, and the system is suitable for all vehicles and has a wide range of application.

The invention discloses a frequency drift compensation-based phase sensitive optical time domain reflectometer and a measuring method thereof. According to the system, a Mach-Zehnder interferometer (MZI) with fixed arm length difference is formed and a laser frequency drift detection module is formed by introducing time delay optical fiber and connecting optical fiber with specific optical path difference on the basis of the traditional phi-OTDR. The frequency drift of the layer is obtained according to the signal intensity of the MZI in the system and the phase position of a phi-OTDR sensingsystem is compensated through a phase compensation algorithm, so that the influence on the sensing property of the phi-OTDR by the frequency drift of the laser is eliminated. The influence on the sensing property by the frequency drift of the laser is eliminated by constructing a novel phi-OTDR system, the influence of noise can be reduced by processing methods such as phase compensation, and theaccuracy of quantitatively measuring a vibration event by the system is improved.

The invention discloses a master-slave control method for an energy storage inverter based on a virtual synchronous generator. The energy storage inverter comprises a master control inverter and a slave control inverter, wherein the master control inverter adopts a voltage source output mode based on the virtual synchronous generator to provide amplitude and frequency of network voltage, provide virtual inertia and a virtual damping ratio according to the capacity of the master control inverter, and meanwhile provide static active and passive current quotas to each inverter; the slave control inverter adopts a current source output mode based on the virtual synchronous generator to receive static active and passive current quotas issued by the master control inverter, and meanwhile provide the virtual inertia according to the capacity of the slave control inverter. According to the method, in island parallel operation, a load is non-uniform and fluidity is relatively low under various load conditions, and relatively high output voltage power quality is provided; compared with traditional master-slave control, a controller structure does not need to be changed when switching between grid connection and disconnection is performed, and the master control inverter and the slave control inverter independently provide the virtual inertia without depending on communication, so that improvement on system stability under dynamic condition is facilitated, and the reliability is relatively high.

The invention relates to a system for monitoring the position of an oil cylinder for balancing tension of a steel wire and hoisting load, which consists of a monitor master computer, a master controller, a wireless signal receiver, a signal receiving antenna, a signal transmitting antenna, a wireless signal emitter, a signal processor, a displacement hydraulic sensor and a hoisting vessel. The monitor master computer is connected with two master controllers. The master controller is connected with the wireless signal receiver. The wireless signal receiver is connected with the signal receiving antenna. The steel wire is connected with two hoisting vessels at the same time. The hoisting vessel is provided with the displacement hydraulic sensor. The displacement hydraulic sensor is connected with the signal processor. The signal processor is connected with the wireless signal emitter. The wireless signal emitter is connected with the signal transmitting antenna. The system solves the problem of monitoring the position of the oil cylinder for balancing tension of the steel wire and hoisting load and effectively prevents the steel wire of the hoister from being broken and the occurrence of overload. The safety of hoisting is ensured. The monitor system is easy to be installed and convenient to be maintained.

The invention relates to the field of fuels, and discloses smokeless diesel oil and a preparation method thereof. The smokeless diesel oil comprises 70-95wt% of common diesel oil, 2-25wt% of dimethyl carbonate and 0-10wt% of a multifunctional compound additive. According to the smokeless diesel oil provided by the invention, particulate matter emission in the using process of means of conveyance (comprising various motor vehicles and ships) taking diesel oil as a fuel and machinery for engineering, mining and agriculture and forestry taking diesel engines as power can be greatly reduced or even eliminated without affecting other emission indexes. The smokeless diesel oil is clean and environment-friendly diesel oil, and is simple and convenient and feasible. The fuel system of the diesel engine needs not to be changed.

The invention relates to a method for rapidly culturing aerobic particle sludge through load modulation technology and belongs to the technical field of wastewater biotreatment. To solve the problems that the prior aerobic particle sludge culture technology is not perfect or accurate and has long time and the like, the invention provides a simple and stable method for culturing the aerobic particle sludge; the method comprises the following steps: common active sludge is taken out and is filled into a sequencing batch type bioreactor for idle aeration; after the settling property of the sludge is improved, the operating load of the sludge in the reactor is modulated; a floccule / particle mixture with better settling property appears at certain COD concentration; at the moment, load is rapidly declined so as to remove the floccule sludge in the reactor; and subsequently, the COD concentration of inlet water is modulated to change feed organic load or sludge load and promote the growth and stability of the aerobic particle sludge. According to the method, the aerobic particle sludge with good settling property, stable property and high activity can be obtained.

The invention discloses an invasion tolerance application server based on J2EE middleware criterion. The server comprises an invasion tolerance expansion integrated frame, an invasion tolerance strategy logic assembly, a safety group communication manager, a safety group communication system and an application server basic platform. The invasion tolerance strategy logic assembly and the invasion tolerance expansion integrated frame are conducted in loose coupling and realize the transparent expansion of invasion tolerance function of the J2EE application server basic platform by a built-in interceptor of the J2EE application server. The invasion tolerance strategy logic assembly and the safety group communication manager are intercommunicated via an API interface. The safety group communication system works on a group communication layer of the J2EE application server basic platform and intercommunicated with the safety group communication manager and the J2EE application server basic platform respectively via the safety group communication manager. The invention realizes the effective integration of invasion tolerance and J2EE application service functions, and is superior in significant security and survivability as compared with other similar servers.

The invention discloses a comprehensive avionics system for a small-sized general aircraft. The comprehensive avionics system comprises a comprehensive display, a data processing and interface computer and a sensor function module, wherein the comprehensive display is connected with the data processing and interface computer; the data processing and interface computer is respectively provided with the sensor function module, the sensor function modulecomprises an attitude heading unit, an air data computer, a GPS (Global Positioning System) navigation satellite receiver, an ultrashort wave radio, a multi-mode receiver, an air traffic-control responder, a motor parameter acquirer and an audio controller; the comprehensive display is connected with the data processing and interface computerthrough a high-speed data bus; and the data processing and interface computer is connected with the sensor function module through a point-to-point data bus. The comprehensive avionics system disclosed by the invention has the characteristics of high integration level, capability of improving flight experience, flexibility for configuration and extension, high reliability, low cost, and capability of meeting requirements of general aircrafts on comprehensive performances.

The invention relates to a multifunctional fuel cell on-line testing printed circuit board. The multifunctional fuel cell on-line testing printed circuit board is used for testing the partition electric density distribution, partition temperature distribution and partition alternating current impedance, of a fuel cell on line and comprises a partition flow field layer, a temperature testing layer, an impedance testing layer, an electric current density testing layer and an electrical current collection and water flow field layer which are sequentially arranged, wherein the partition flow field layer is connected with the fuel cell and is used for dividing the fuel cell into a plurality of mutually insulated partitions; and the partition flow field layer, the impedance testing layer, the current density testing layer, the current collection and the water flow field layer and the fuel cell are sequentially connected to form a closed loop circuit. Compared with the prior art, the multifunctional fuel cell on-line testing printed circuit board can accurately reflect the water-heat distribution, electrochemical reaction condition and mass and heat transfer phenomenon of each partition in the fuel cell by measuring the current density distribution, temperature distribution and alternate current impedance in the fuel cell, is integrally designed, is independent of an tested object completely, simple in structure and convenient to operate, can comprehensively reflect the performance of the partitions of the fuel cell.

The invention discloses a sky-wave beyond visual range radar adaptive space-time joint interference-resistant method which inhibits interference by comprehensively utilizing two methods of adaptive beamforming and interpolation and compensation after a time domain is eliminated and achieves the purpose of making up for each other deficiencies through reasonable scheduling strategies. The transient interference entering a side lobe is resisted by utilizing the adaptive beamforming of a space domain, and the transient interference entering a main lobe is inhibited through the interpolation and the compensation after the time domain is eliminated, therefore compensating errors caused by time domain elimination and beam distortion caused by main lobe interference are prevented; and a diagonal loading amount which is in proportion to interference strength is formed for the non-transient interference entering the main lobe through interference space distribution information, therefore the strong main lobe interference is prevented from causing the serious distortion of the shapes of adaptive beams. The invention is established on the basis of a dimension-reducing beam space adaptive beamforming method, thereby greatly reducing the amount of signal processing calculations; and concrete steps are seen in an attached figure. The invention is not limited to a sky-wave beyond visual range radar system, can be widely applied to large-sized phased array radars of multiple types and has popularization and application value.

The invention relates to a disorder rope monitoring system for a winding reel of a mine hoist and a disorder rope judging method and belongs to disorder rope monitoring systems and methods for steel wire rope reels. Specifically, the disorder rope monitoring system comprises an industrial camera, a shaft encoder, a data acquisition card and an industrial control computer, wherein the industrial camera is arranged at the upper rear part or lower front part of a middle outlet rope of the reel, the shaft encoder is arranged at a shaft end of the reel and is connected with a shaft, and the data acquisition card and the industrial control computer are sequentially connected with the shaft encoder; the industrial camera is connected with the industrial control computer through a communication cable. The disorder rope judging method comprises the steps of measuring the rotation angle of the reel through the shaft encoder, measuring the rope outlet position of a steel wire rope through the industrial camera, and judging whether the rope is in disorder or not through analyzing the change characteristics of angles and rope outlet positions in a certain period. The monitoring system is convenient in mounting and has no need of modifying the reel, and meanwhile, the safety of operation of a mine hoist system is improved.

The invention discloses a torsion damping coupling for transmission assembly of a hybrid system and a connection method. The torsion damping coupling comprises a torque damper and rigid coupling plates, the torque damper is in a double-spring damping structure, a plurality of spring mounting notches are circumferentially distributed on the end face of a spline hub, damping springs are mounted in the spring mounting notches in a large spring and small spring staggered arrangement manner, the center of the spline hub is provided with a spline hole and used for being sleeved on a coupling shaft of a part at the rear end of an engine, and the rigid coupling plates are attached to two end faces of the spline hub respectively. The end faces of two torsion damping plates and the end face of the spline hub are correspondingly provided with torsion damping plate spring mounting notches, and small parts of the damping springs mounted in the spline hub spring mounting notches are clamped in the torsion damping plate spring mounting notches. The large damping springs and the small damping springs are used for damping in torque fluctuation when the engine outputs power, so that the torque fluctuation can be effectively absorbed.

The invention provides a method of estimating secondary battery internal temperature based on electrochemical impedance, and belongs to the secondary battery temperature measuring technology field. The method comprises steps that a plurality groups of electrochemical impedance spectroscopy data corresponding to various temperatures and various charge states of various secondary batteries in a stable condition are acquired; the frequency range of the electrochemical impedance spectroscopy characteristic quantity sensitive to the changes of the temperatures and insensitive to the changes of the charge states is determined, and the relation between the electrochemical impedance spectroscopy characteristic quantity and the ambient temperature at a selected frequency point in the frequency range is acquired; the single frequency electrochemical impedance spectroscopy of the battery at the frequency point is measured in actual environment, and the real part value of the electrochemical impedance spectroscopy at the frequency point is acquired; and the internal temperature of the battery is calculated by using the relation between the electrochemical impedance spectroscopy characteristic quantity of the battery and the temperature at the above mentioned frequency point. The method provided by the invention is advantageous in that an influence of a built-in sensor on a battery is prevented, and at the same time of guaranteeing high precision, the estimation rate of the temperature is improved, and experiment convenience is improved.

The invention provides a liquid crystal display device adopting array inversion drive to realize dot inversion and a drive method. The sub pixel of a first type line in the display device is coupled with a left adjacent data line, and the sub pixel of a second type line is coupled with a right adjacent data line; through structural adjustment, when the first type line is scanned, a data bus transmits data signals from a first data line; when even number lines are scanned, the data bus can be 'transferred' to transmit the data signals from a second data line, so that the sub pixels with the same sequence in the first type line and the second type line can receive the data signals which have the same sequence and are transmitted from the same data bus, accordingly, the data bus can adopt the compiling sequence and the compiling mode of the same data signals to transmit the data signals of the first type line or the second type line, the compiling difficulty of the data signal supplying mode of the data bus is reduced, and moreover, the structure of an original driver element integrated circuit (IC) does not need to be changed.

The invention provides a sedan energy storage rapid cooler, which is an independent whole and can rapidly reduce the temperature in the truck bed when the sedan is used, and simultaneously the invention does not change the structure of the sedan and can be dismantled conveniently for standby after summer. The sedan energy storage rapid cooler is characterized in that a gas holder in an energy storage system is arranged in the box body through a thermal insulation layer; the bottom part of the box body is provided with a footing and the wall thereof is provided with a fixed buckle; one end of the gas holder is connected with an inlet pipe of an inlet device; the other end of the gas holder is connected with an exhausting pipe of an exhausting device; the bottom part of the gas holder is connected with a drain pipe of a draining device; the gas holder is provided with an evaporator of a refrigeration device and the evaporator is located by a gasket; an air exhauster is connected with theexhaust outlet of a refrigeration tank of the refrigeration device; and the sedan energy storage rapid cooler is powered by solar energy and a control system, and is manipulated, detected and controlled by the control system.

The invention provides a water-air amphibious unmanned rescue platform which can sail on the water surface and can also fly in the air. Two sailing modes can be rapidly and freely switched, water surface sailing depends on two small water plane streamline ship bodies and marine propellers installed behind the ship bodies, and the propelling mode adopts double-propeller differential propelling; andfour four-rotor propellers and matched brushless motors are used for sailing in the air, and are fixed right over the rescue platform in a square shape. According to the invention, the remote rescuematerial throwing device provided by the invention adopts a simple and reliable door type structure, so autonomous tracking and autonomous obstacle avoidance functions can be realized. According to the unmanned rescue platform, the advantages of a small waterplane catamaran and a quadrotor unmanned aerial vehicle are combined, rapid crossing of a discontinuous water area can be achieved through the flight function of the unmanned rescue platform, the unmanned rescue platform can reach the water area without the launching condition of a conventional rescue ship in a flight mode, the environmental adaptability of the unmanned rescue platform is enhanced, and the working range of the unmanned rescue platform is enlarged.

The oppositely opened self-controlled powered double air door features two air doors interlinked through crank and link rod and opened or closed oppositely to counteract the acting forces mutually. It has lowered power for opening and closing the air door, no air flow impact, smooth running, no limit in the installation direction of air door and no need of altering the structure in changing the airflow direction. The air door may be driven with a winch or a hydraulic cylinder mechanism. The present invention has simple overall structure, sensitive protection, reliable running and favor to automatic control.

The present invention discloses a manufacturing method for flexible line with a stiffening plate at the back of the golden finger of a flexible line board. The first step is that the golden finger part is formed on one surface of the corresponding flexible line board on a connecting plate. The second step is the working procedure of gluing stiffening plate, namely that the stiffening plate is glued on the other surface corresponding to the surface provided with the golden finger on each flexible line board. The third step is a stamping process for punching external form, namely that the working procedure of punching external form is carried on to each flexible line glued with stiffening plate on the connecting plate. In particular that after the first step is finished, a stamping process for punching opening is added, namely that an opening is punched correspondingly on the flexible line board at the two ends of the junction line of the height difference formed on the surfaces of the stiffening plate and the flexible line board, then the work of the second step is started. The manufacturing method can effectively solve the problem that the two ends of the junction line of the height difference formed between the stiffening plate on the flexible line board and the flexible line board are torn.

This invention relates to a structure of a direct alcohol fuel battery and its manufacturing method. It is composed of baffle plates, sealing pieces, end plates and bolt devices characterizing that the sealing pieces are set at both sides of the baffle plate, a membrane pole is at the outside of the sealing pieces, the end plate is out of the membrane pole and the bolt device is set around the end plate. This invention makes one end of the flow collector net to completely contact with the anode of a single cell, the other is contacted with cathode of an adjacent single cell to hot-press the membrane with the flow collector anode, cathode and electrolyte to form a membrane pole so as to get a battery set.

The invention discloses a segmented CRC checking stack decoding method based on a polarized code. The method comprises the following steps: dividing an information sequence into N parts; marking a position of the last one bit of each segment in a polarized code codon sequence; implementing the CRC checking in the stack decoding process when the decoding length reaches the marking position; if the CRC checking is passed, regarding that the decoding path is survival; otherwise, regarding that the decoding path is eliminated. Compared with the traditional method, the algorithm complexity is greatly lowered, the decoding performance is improved, and the accuracy rate of the decoding is promoted by use of the method disclosed by the invention. Furthermore, the hardware architecture is proposed at the same time on the basis of the decoding method, and the resource occupancy is lowered in comparison with the traditional algorithm.

The utility model discloses a switching method between the daytime / night modes based on the digital television, aiming at providing a switching method between the daytime / night modes based on the digital television, which is able to switch between the daytime / night modes according to the start-up time to save electricity. The method comprises the following steps: setting up the critical time between the daytime the night, extracting the current time from the TDT table and the TOT table of the digital code flow, judging the daytime mode and the night model switching to the corresponding mode. When starting the television by means of the switching method, the starting mode is determined according to the current time information carried in the digital code flow and the picture brightness and the volume are automatically adjusted, so as to reach the purpose of saving electricity. Meanwhile, the utility model does not affect others and enhance the humanization of the television. The starting mode can be automatically adjusted, thus relieving the users from repetitive operations and providing great convenience for use .

A panel for an elevator installation has a predetermined number of floor buttons for generating hall calls or car call commands wherein a single floor button or a floor button combination is provided for each floor. The panel can be converted by a converter button or a sensor so that all floors are also selectable by a decade keyboard formed by a portion of all the floor buttons. All floors are thus selectable comfortably and without restriction even by handicapped persons.

The invention provides a current non-equalizing control method of a converter multi-unit parallel system. The phenomenon of current non-equalizing during converter multi-unit parallel connection is avoided by delaying a falling edge of a control pulse, namely delaying switch-off. When a certain phase of current of a certain converter is low, the aim of increasing the phase of current is fulfilled by delaying the falling edge of the phase of control pulse. When n three-phase pulse width modulation (PWM) converters are connected in parallel, corresponding phases of (n-1) three-phase PWM converters are required to be compensated. The delay time of the falling edge of the control pulse is a current function. In order to achieve an online real-time dynamic compensation effect, a fixed delay time compensation method is employed, a current compensation effect is observed, and compensation time is continuously modified, so a relation curve of the compensation time and current is determined.

A composite sucker pipe with coated antiwear and anticorrosion layer is disclosed. Its paint is disclosed by CN 87100920.X, CN 97111379.3 and CN 00126503.2. Its coating method is characterized by that in coating procedure the sucker pipe is rotating relatively to the sprayer and the air pressure and the powder flow are constant. Its advantage is long service life elongated by 3-5 times.

A compound gasoline, related to the field of fuel technology, comprising the following component raw materials in weight percentage: methanol 15-35%, gasoline 50-80%, antiknock agent 0.6-3%, antioxidant 0.2-1%, alcohols 4-12% of substances, 3-9% of benzene substances, 3-10% of ether substances, 5-18% of surfactants, and 0.2-2% of corrosion inhibitors. The invention has the advantages that the composite gasoline has good starting performance, power performance, antiknock performance, corrosion resistance and stability, complete combustion, less harmful substances in tail gas emission, energy saving and environmental protection.