79results about How to "Simple operation logic" patented technology

A system is provided for authenticating and securing product transactions. An integrated circuit is attached to a target, such as an optical disc or electronic device. The integrated circuit has an RF transceiver that is capable of establishing communication with an associated reading device. The integrated circuit also has a hidden memory, which can not be read externally, and a user memory. The hidden memory stores an authentication message, while the user memory stores readable authentication information. The hidden authentication message and the authentication information are related through a cryptographic process. However, even though the integrated circuit benefits from the cryptographic security, the integrated circuit only operates relatively simple logic operations. In this way, a highly secure transaction is enabled without requiring significant processing power or time at the integrated circuit. When the integrated circuit is placed near the reader, the reader reads the authentication information, and with the cooperation of a network operation center, uses the authentication information to derive an activation code. The reader passes the activation code to the integrated circuit, which compares the activation code to its hidden activation message. If they have a proper relationship, the communication has been authenticated, and the integrated circuit proceeds to perform an action.

A system is provided for authenticating and securing product transactions. An integrated circuit is attached to a target, such as an optical disc or electronic device. The integrated circuit has an RF transceiver that is capable of establishing communication with an associated reading device. The integrated circuit also has a hidden memory, which can not be read externally, and a user memory. The hidden memory stores an authentication message, while the user memory stores readable authentication information. The hidden authentication message and the authentication information are related through a cryptographic process. However, even though the integrated circuit benefits from the cryptographic security, the integrated circuit only operates relatively simple logic operations. In this way, a highly secure transaction is enabled without requiring significant processing power or time at the integrated circuit. When the integrated circuit is placed near the reader, the reader reads the authentication information, and with the cooperation of a network operation center, uses the authentication information to derive an activation code. The reader passes the activation code to the integrated circuit, which compares the activation code to its hidden activation message. If they have a proper relationship, the communication has been authenticated, and the integrated circuit proceeds to perform an action.

The invention discloses an MSK / GMSK (Gaussian Filtered Minimum Shift Keying) coherent demodulation processing system, so as to provide a coherent demodulation processing system which can reduce the complexity of an MSK / GMSK signal demodulation algorithm and improve the signal demodulation performance. According to the technical scheme of the invention, an MSK / GMSK signal demodulation end is in parallel connection with two low pass filters through two 90-DEG phase shifters in a quadrature demodulation module to form a closed loop circuit; the output end of the closed loop circuit is sequentially in serial connection with a post decoding signal demodulation module and an information conversion module through a baseband signal synchronization module to form an MSK / GMSK coherent demodulation system; the baseband signal synchronization module compensates the initial phase of the obtained MSK / GMSK baseband discrete complex signals to zero phase, the signals are then fed to the post decoding signal demodulation module, a real part value and an imaginary part amplitude value are extracted alternatively for each baseband signal; and the information conversion module converts a real number signal no larger than 0 to be a bit 0 and a real number signal larger than 0 to be a bit 1, information bit data are obtained and outputted to subsequent information processing.

The invention discloses an EPG automatic layout method based on an IPTV, and the method comprises the following steps: building an EPG template; if an available EPG template exists, newly building anEPG page according to the selected EPG template; after receiving an instruction of laying out an EPG block, defining attribute of and jumping components of the EPG block, and acquiring operating content of corresponding EPG; according to the operating content of the EPG, assigning the jumping components of different blocks to perform block display, and updating auditing information and program information; previewing display effects of the EPG, if modification is needed, performing secondary editing for the blocks needed to be modified in the EPG, and issuing the EPG after completing editing.The invention also discloses an EPG automatic layout system based on the IPTV. The system comprises an EPG template building module, an EPG page newly building module, an EPG block defining module, anEPG content operating module and an EPG previewing and issuing module. With the method and the system provided by the invention, operation logics of the EPG are simplified, resource utilization rateis improved, components and blocks are introduced, modification of the components is completed through updating, editable attribute of the EPG is realized, and personalized demands are satisfied.

A system is provided for authenticating and securing product transactions. An integrated circuit is attached to a target, such as an optical disc or electronic device. The integrated circuit has an RF transceiver that is capable of establishing communication with an associated reading device. The integrated circuit also has a hidden memory, which can not be read externally, and a user memory. The hidden memory stores an authentication message, while the user memory stores readable authentication information. The hidden authentication message and the authentication information are related through a cryptographic process. However, even though the integrated circuit benefits from the cryptographic security, the integrated circuit only operates relatively simple logic operations. In this way, a highly secure transaction is enabled without requiring significant processing power or time at the integrated circuit. When the integrated circuit is placed near the reader, the reader reads the authentication information, and with the cooperation of a network operation center, uses the authentication information to derive an activation code. The reader passes the activation code to the integrated circuit, which compares the activation code to its hidden activation message. If they have a proper relationship, the communication has been authenticated, and the integrated circuit proceeds to perform an action.

The application discloses a virtual world picture display method and device, equipment and a medium, and relates to the field of virtual worlds. The method comprises the following steps that a first terminal displays a first virtual world picture, the first virtual world picture is a picture obtained by observing a virtual world at a first view angle, and the first view angle is a view angle perpendicular to a first road segment with a first virtual character as an observing focus; and a second terminal displays a second virtual world picture, the second virtual world picture is a picture obtained by observing the virtual world at a second view angle, and the second view angle is a view angle perpendicular to a second road segment with a second virtual character as the observing focus. According to the method, only the view angle of observing the virtual world is changed, a large number of changes of an operation logic layer is not involved, and the load of a server and / or the terminals is relived.

The invention discloses a method for treating organic wastewater with a two-phase anaerobic tubular membrane bioreactor. The method comprises the following steps of: adding anaerobic digested sludge into an up-flow complex acid-production reactor and a completely mixed methane-production reactor in an inoculating way; enabling organic wastewater to flow through all reaction chambers in the up-flow complex acid-production reactor in sequence and enter the completely mixed methane-production reactor, and adding wastewater into the completely mixed methane-production reactor by controlling the gas generation rate and the pH value; enabling a methane-phase mixed solution in the completely mixed methane-production reactor to scour the inner side of a tubular membrane component and flow back to the completely mixed methane-production reactor in a circulating way so as to be mixed hydraulically; separating the methane-phase mixed solution by using the membrane component to obtain effluent and methane gas; and collecting the methane gas at the methane gas outlet of the completely mixed methane-production reactor. The invention further discloses a device for implementing the method. The method and the device can be used for treating high-concentration organic wastewater so that the organic wastewater reaches the standard in a short process, and the method and the device can be also used for treating low-concentration organic wastewater so that the discharge of methane dissolved in effluent as a greenhouse gas can be reduced.

The invention discloses an electric mop cleaning tool capable of realizing flushing type dirt cleaning and separation. The electric mop cleaning tool comprises an electric mop and a mop bucket, wherein the mop bucket comprises a clear water area and a sewage area which are independent of each other; a dry area separated from the clear water area is arranged above the clear water area; a washing part for cleaning a wiping object is arranged in the dry area; the dry area is provided with a channel communicating with a sewage area; a water pumping device is arranged in the clear water area; the water pumping device works to pump out water in the clear water area and spray the water onto the wiping object for cleaning; sewage generated by cleaning and dewatering can flow into the sewage area,so separation of clean water and sewage is achieved; and the electric mop can be flushed with clean water and dewatered in the water-free dry area, so good cleaning effect is achieved, and convenientand fast use is realized.

The invention relates to a pedestrian crossing control system and method based on upstream-downstream signal intersection coordination. Timely response to road segment pedestrian crossing can be ensured, trunk line coordination effect of adjacent upstream-downstream signal intersections can be guaranteed, reminding of pedestrian crossing waiting passing countdown can be realized to assist pedestrians in safe crossing, and impact on trunk line coordination control effect is reduced. The system comprises a pedestrian crossing signal triggering device, signal countdown equipment, a signal machinecontrol subsystem and a central optimized control subsystem. When receiving a pedestrian crossing request signal, the signal machine control subsystem sends information to the central optimized control subsystem, the central optimized control subsystem generates pedestrian crossing signal timing plan information and countdown information in real time, and the signal machine control subsystem controls on-off and lamp color conversion of signal lamps according to the pedestrian crossing signal timing plan information and forwards the countdown information to signal countdown equipment for display.

The invention discloses a self-adaption PI control method for improving HVDC system suppressing phase commutation failure capacity. A self-adaption controller is used to replace a PI controller with fixed parameters in the HVDC system, the flexibility of an HVDC controller coping with different operation conditions of the system can be improved, therefore, the robustness of the system is improved, and the phase commutation failure is suppressed. By the adoption of the discretization derivation self-adaption PI controller based on the operational formula of the PI controller, the limitations that an existing self-tuning controller relies on a reference model, a fuzzy self-adaption PI controller is complex in operation, furthermore, the failure type needs to be judged at first and then an optimum control mode is chosen are broken.

The invention provides a method and an apparatus for echo detection. The method for detecting and processing echo signals comprises detecting reflections of a transmitted signal as echo signals, obtaining digital magnitudes representative of an envelope of the echo signals over time, applying the digital magnitudes to a plurality of data storing cells, estimating a signal threshold by accumulatingthe digital magnitudes from a predetermined number of reference window cells (A1, A2) at each side of a predetermined cell-under-test in the plurality of data storing cells and multiplying the resulting accumulated signal by a predetermined first weight factor, thus obtaining an estimated signal threshold, comparing the threshold with the signal stored in the predetermined cell-under-test in theplurality of data storing cells, thus reducing chances of false detection.

The invention provides a hazardous gas leakage detection inspection robot and an inspection method. Through a carried high-performance optical gas thermal imager, various common hazardous gases can bepresented in a monitoring video in a visual mode, the sensitivity is high, a tiny gas leakage phenomenon can be detected, and thus a gas leakage position can be accurately positioned. According to the hazardous gas detection method, on the basis of a fixed track inspection method, various possible dynamic obstacle motion behaviors are considered, a set of motion algorithm suitable for wide conditions is formulated, the algorithm is simple in arithmetic logic and low in calculation amount, the requirements for the calculation capacity and power consumption of a controller are low, and the hardware cost can be effectively saved. On the inspection function, the robot moves stably, dynamic obstacles typical for human beings can be effectively avoided, and the normal operation capacity in a man-machine coexistence environment is effectively achieved.

A system is provided for authenticating and securing product transactions. An integrated circuit is attached to a target, such as an optical disc or electronic device. The integrated circuit has an RF transceiver that is capable of establishing communication with an associated reading device. The integrated circuit also has a hidden memory, which can not be read externally, and a user memory. The hidden memory stores an authentication message, while the user memory stores readable authentication information. The hidden authentication message and the authentication information are related through a cryptographic process. However, even though the integrated circuit benefits from the cryptographic security, the integrated circuit only operates relatively simple logic operations. In this way, a highly secure transaction is enabled without requiring significant processing power or time at the integrated circuit. When the integrated circuit is placed near the reader, the reader reads the authentication information, and with the cooperation of a network operation center, uses the authentication information to derive an activation code. The reader passes the activation code to the integrated circuit, which compares the activation code to its hidden activation message. If they have a proper relationship, the communication has been authenticated, and the integrated circuit proceeds to perform an action.

Provided is an improved multichannel correlation processing implementing method based on a FPGA. The method comprises steps of: performing orthogonal transformation and XNOR operation on a signal to be subjected to correlation processing; after XNOR result data is obtained, using binary adders to obtain output data of the binary adders; enabling a counter to perform cyclic counting, using the output data of the adder and data in a RAM block as an input of an accumulator to obtain accumulation result data used as new data in the RAM block; outputting the computation result of the accumulator as a multichannel correlation processing result when a counted number equals integral time. Compared with a prior art, the method, by performing 1-bit additive operation on associated data and grouping binary adders, simplifies the arithmetic logic of the FPGA, decreases the occupancy rate of logic resources in the FPGA, may obviously increase the processing efficiency when multiple input signals are provided, and has a good application value.

The invention relates to small kitchen household appliances, in particular to a food processing machine with a simple liquid discharging structure. The food processing machine comprises a pulping container, a liquid discharging valve assembly, a pulp receiving cup and a wastewater box, wherein the liquid discharging valve assembly comprises a rotatable liquid discharging pipe, a static valve platewith a static valve hole, a plane movable valve plate for opening or closing the static valve hole, a driven assembly for driving the liquid discharging pipe to rotate, a first driving device for driving the driven assembly to rotate and a second driving device for driving the plane movable valve plate to rotate, the static valve hole communicates with the rear end of the liquid discharging pipein a sealed mode, only one through communication hole is formed in the plane movable valve plate, and when the second driving device drives the plane movable valve plate to move until the communication hole is overlapped with the static valve hole, the pulping container communicates with the liquid discharging pipe. Only one communication hole is formed in the plane movable valve plate, compared with the previous scheme of the applicant, the plane movable valve plate is not prone to storing residues or residual pulp or wastewater, the potential hygiene safety hazard of food is effectively eliminated, the cost is lower, and the structure is simpler and more compact.

Embodiments of the invention provide a data source general processing framework construction method and device and data source processing method and device. According to the data source general processing framework construction method and device, a general processing framework which comprises a uniform operation interface, a general abstract class and a specific abstract class can be constructed,wherein the uniform operation interface is used for unifying and classifying operation interfaces of various types of data sources; and the general abstract class and the specific abstract class are used for hierarchically packaging common data operations and specific data operations of the data sources. By applying the constructed general processing framework, data operations for various types ofdata sources can be completed through the general abstract class and the specific abstract class in the general processing framework by calling the uniform operation interface, and interface connection does not need to be established for each database, so that the connection number of data source system resources is decreased, the data source operation logic is simplified, the data source systemresource occupation is reduced, and the data source system operation speed and efficiency are improved.

The invention discloses an electric mop cleaning tool which comprises an electric mop and a mop bucket, the electric mop comprises a mop rod and a mop head, a wiping object is arranged on the mop head, and the electric mop cleaning tool is characterized in that a brushing component used for cleaning the wiping object is arranged in the mop bucket, and the brushing component can ascend and descendand has a high position and a low position. The brushing component can ascend and descend and can be kept still at a high position or a low position; when the electric mop is placed on the brushing component and located at a low position, the wiping object and the brushing component are placed in water, the wiping object is cleaned through rotation of the electric mop, and when the electric mop islocated at a high position, the wiping object and the brushing component are away from the water surface and subjected to extrusion dehydration, water cleaning and aerial dehydration are achieved, and the cleaning and dehydration effects are improved.

The invention relates to the technical field of automobile control, in particular to a ramp speed limit recognition method. The method comprises steps of judging whether the vehicle runs at a high speed or an elevated road; if yes, the lane position where the vehicle travels is judged; and if the vehicle runs on the rightmost lane, judging whether the currently recognized speed limit sign is a ramp speed limit sign or not according to the change condition of the right lane line of the vehicle, the running condition of the vehicle and the comparison condition of the currently recognized speed limit sign and the previous recognized speed limit sign. The ramp speed limit recognition method is simple and small in logical operation amount, does not cause burden to a control system, can accurately and quickly recognize ramp speed limit, is high in accuracy, and has great popularization value.

The invention discloses a PID control circuit of a DC-DC switching power supply, which belongs to the technical field of switching power supplies. The control circuit comprises a time delay link, an error pulse generation link, an integral differential pulse generation link, a phase shift carrier generation link and a proportional integral differential pulse combination link. The output voltage ofthe power circuit is compared with a carrier wave to generate a pulse width signal, a control strategy is realized by a logical operation method, so that the signal in the control circuit is basically transmitted in a pulse form, and in comparison with analog control, the circuit is not easily influenced by device parameter drift, and the control effect is similar to digital control; and meanwhile, logic operation of pulse width in the circuit is simple and can be directly achieved through a logic gate, a digital processor does not need to be adopted, and in comparison with digital control, the cost is low.

The invention discloses an elderly fitness training scoring method and electronic equipment. The method comprises the following steps: displaying a starting interface comprising a starting option; entering an interface I comprising an option I, wherein the option I is an option for entering a training part selection interface; entering a training part selection interface, wherein the training partselection interface comprises a plurality of different training part options; entering a training part I interface, wherein the training part I interface comprises more than one training item optionto which the training part I belongs; entering a training item I interface, and displaying a video thereof; collecting image information of a user; selecting human skeleton nodes and human contour nodes based on the depth data; calling a template action of the training item I, and analyzing a human body action difference degree based on the human body skeleton node and the human body contour node;and performing weighted summation on the human body action difference degree analyzed and calculated based on the human body skeleton nodes and the human body contour nodes to obtain a score. According to the method, the operation logic is simple, the usability is good, and a user can be helped to perform standard training; the equipment is simple in structure and low in cost.

The invention relates to the technical field of computer vision, and particularly discloses an event camera, a depth event point diagram acquisition method and device, equipment and a medium, the acquisition method comprises the following steps: acquiring event information and infrared point cloud information, the infrared point cloud information being acquired and generated based on a TOF module; obtaining first timestamp information of the event information and second timestamp information of the infrared point cloud information, wherein the first timestamp information and the second timestamp information are marked based on the collection frame rate of the TOF module; integrating the event information and the infrared point cloud information according to the first timestamp information and the second timestamp information to obtain the event point diagram with the depth information; the acquisition method has the advantages of being simple in operation logic and high in response speed.

The invention discloses a rotary dewatering and cleaning tool for an electric mop. The mop comprises an electric mop body and a mop bucket; the electric mop body comprises a mop rod and a mop head, awiping object is arranged on the mop head, a washing component used for cleaning a wiping object and a supporting part used for supporting the electric mop body are arranged in the mop bucket, and theelectric mop body abuts against the supporting part and has a high position and a low position. When the electric mop is located at a low position, the wiping object makes contact with the washing component and is cleaned through rotation of the electric mop, and when the electric mop is located at a high position, the wiping object is away from the washing component and is spin-dried and dewatered through rotation of the electric mop, cleaning and dewatering are independent, and the cleaning and dewatering effects are improved.

The present invention provides a method for releasing data of a storage apparatus. The method manages the data output of the storage apparatus by using a virtual output queue, a data storing memory, and a bit map output port memory. In such method, the output ports, which use the data stored in any data column of the data storing memory, are recorded in the bit map output port memory. In addition, the addresses of the data storing memory for storing the data output from any output port are provided by the virtual output queue. After all data of a certain data column is completed read out, the data storing column in the data storing memory and a corresponding part of the bit map output port memory are released by the storage apparatus.

The invention discloses traditional Chinese medicine health state intelligent identification software and electronic equipment. The method comprises the following steps: displaying a starting interface comprising starting options; entering a login interface, wherein the login interface comprises a user name option and a login option; searching whether data matched with the user name option exist in a database, if not, returning to the previous step, and otherwise, entering the next step; whether the category of the user name option is a common user is determined, if yes, an interface I is entered, the interface I comprises a newly-built examination option, otherwise, entering an interface II, and the interface II comprises a data retrieval option; entering an examination information filling interface comprising examination information options and examination information confirmation options; and sequentially entering a partial diagnosis interface I, a partial diagnosis interface II, apartial diagnosis interface III, a partial diagnosis interface IV and a partial diagnosis interface V, and finally generating a report. The software provided by the invention is good in usability, accords with traditional Chinese medicine logic, can facilitate traditional Chinese medicine workers to quickly understand basic conditions of patients, and improves the working efficiency.

The invention discloses a full-floating type rear axle housing assembly half axle sleeve oil seal journal surface machining process. The process specifically comprises the steps of (1) basic treatmentof the surface of the oil seal journal, (2) deep grinding treatment of the surface of the journal, (3) oiling operation of the surface of the journal, (4) dynamic detection, (5) quenching treatment of a qualified journal, and (6) detection of a quenched product. The invention relates to the technical field of oil seal journals. According to the full-floating type rear axle housing assembly half axle sleeve oil seal journal surface machining process, the oil seal journal passes dynamic detection before being subjected to comprehensive quenching treatment; defective products can be effectivelyprevented from participating in quenching treatment, resource waste is avoided, the oil seal journal generates reliable pressure stress through quenching, the fatigue strength of the oil seal journalcan be improved, the faster cooling is, the more martensite is formed during spray cooling, the hardness of the journal is guaranteed, the journal is prevented from becoming brittle, and the overall strength of the oil seal journal in use is improved.

The invention discloses a three-level converter SVPWM method based on vector decomposition, comprising the following steps of S1, divide a three-level space voltage vector into different regions successively; S2, determining the region h of a given voltage reference vector Vref* in the three-level space by logical operation; S3, converting the Vref* from the three-level space to a two-level space;S4, calculating a three-phase modulation signal in the two-level space; S5, adjusting the three-phase modulation signal obtained in the S4 to restore the three-phase modulation signal in the three-level space; and S6, obtaining a drive signal required for a switching tube in a diode clamp-type three-level converter. Compared with a traditional three-level SVPWM method, the method of the inventiondoes not need to perform trigonometric function calculation or store a large number of vector generation sequence tables in advance, thereby greatly reducing the burden on a microprocessor and improving the modulation calculation efficiency and the calculation speed of the three-level converter.

The invention discloses a TrustZone-based programming method, terminal equipment and a computer readable storage medium, the TrustZone-based programming method is applied to the terminal equipment, and the terminal equipment comprises a security extension chip with a TrustZone technology. The TrustZone-based programming method comprises the following steps: dividing a storage area of the terminalequipment into a safe area and a non-safe area; dividing the security area into a Bootloader area, an APP security area and a security data storage area, and dividing the non-security area into an APPnon-security area and a non-security data storage area; and controlling the interaction between the APP security area and the APP non-security area. According to the invention, the security of the terminal equipment can be improved, and the programming efficiency of the terminal equipment is improved.

The invention relates to the field of security and protection, in particular to a rope slow descending device. The rope slow descending device comprises a base body, a left movable portion, a right movable portion, a force bearing rope and elastic bodies; the base body is of a V-shaped structure and comprises a left sliding groove and a right sliding groove which are mutually symmetric with the V-shaped center line of the base body as the axis of symmetry; guide slide blocks are arranged on the left movable portion and the right movable portion; the guide slide block of the left movable portion is installed in the left sliding groove of the base body and is connected with the base body through the corresponding elastic body; and the guide slide block of the right movable portion is installed in the right sliding groove of the base body and connected with the base body through the corresponding elastic body. Operation is logic and simple, the mechanical structure is reliable, stress concentration of a slowly descending rope is not likely to be generated, the highest descending speed can be restrained by the mechanical structure features, glide being close to a free falling body doesnot occur, and the rope slow descending device is a reliable high-rise escape device.

The invention discloses a PWM control signal generation method and circuit and a chip The method comprises the steps: obtaining an initial time signal; performing multi-stage delay operation on the initial time signal to generate a plurality of timing signals in one-to-one correspondence with the multi-stage delay operation, wherein different timing signals have the same precision and different phases; carrying out PWM modulation on the plurality of timing signals to generate a plurality of PWM control signals in one-to-one correspondence with the timing signals; performing multi-phase PWM logic integration on the plurality of PWM control signals to obtain PWM control signals with target precision. Through the implementation of the invention, the high-precision PWM control signal with anypulse width can be obtained through the low-precision clock signal, the operation is simple, the design difficulty of a digital circuit is simplified, and the implementation difficulty of the digitalcircuit is reduced.

The invention relates to the technical field of communication, in particular to a multi-device bus communication method and an electronic device, and the method comprises the steps: employing a data line and a clock line, employing a single device to operate the clock line, and generating a lasting rectangular wave; when the data line is used for sending dat, triggering the data line behind the upper edge of the clock line, and when the data is received, triggering the data line immediately behind the lower edge of the clock line; wherein frames for transmitting data comprise an address frame used for a standard message destination address, a data frame used for transmitting control information or data to equipment, and a verification frame used for verifying data transmission accuracy according to message organization. Only two data lines are used as communication lines, compared with SPI, the utilization rate of the data lines is high, each device only operates one data line, compared with I2C, the operation logic is simple, the number of the devices capable of being operated exceeds I2C, the number of the devices capable of being operated exceeds I2C, an extensible check frame is provided, and the error omission ratio can be reduced to a very random low level.