169results about How to "Implementation time" patented technology

In a process for the in situ blending of polymers comprising contacting ethylene and one or more comonomers in two or more fluidized bed reactors with a catalyst system comprising (i) a magnesium / titanium based precursor containing an electron donor and (ii) a hydrocarbyl aluminum cocatalyst, the improvement comprising (A) increasing or decreasing the melt flow ratio and / or molecular weight of the blend by, respectively, decreasing or increasing the mole ratio of a precursor activator compound to the electron donor or (B) increasing or decreasing the bulk density of the blend by, respectively, increasing or decreasing the mole ratio of a precursor activator compound to the electron donor, both (A) and (B) subject to defined provisos including partial pre-activation of the precursor.

A wireless communications method and system includes an industrial sensor network that comprises a plurality of industrial sensors, which communicates with the industrial sensor network at a particular operating frequency band through one or more infrastructure nodes associated with the industrial sensor network. A wireless communications network is established, which includes a plurality of wireless communications stations that communicates with one or more of the infrastructure nodes. The infrastructure node(s) can be modified to additionally function as a wireless access point for the wireless communications network utilizing Time Division Multiplexing Algorithm (TDMA), thereby permitting the industrial sensor network to coexist and accommodate the wireless communications network.

A spacecraft robust finite time saturation attitude tracking control method is disclosed. The present invention relates to the spacecraft robust finite time saturation attitude tracking control method so as to solve a rigid spacecraft attitude tracking control problem in the conditions of model uncertainties, external disturbance torques and actuator saturation and is aimed at the problems of controller chattering, a complex controller structure, many setting parameters and a limited application range of a control algorithm in an existing method. The method of the invention comprises the steps of (1) establishing a rigid spacecraft attitude kinematics and dynamics model which is an attitude tracking system, (2) defining a rapid nonsingular terminal sliding mode surface and auxiliary system according to the step (1), and (3) carrying out robust finite time saturation attitude tracking controller design, carrying out controller designing when the synthetical uncertainty delta upper bound of the attitude tracking system is an unknown constant, and carrying out adaptive controller designing when the synthetical uncertainty delta upper bound is an unknown function. The spacecraft robust finite time saturation attitude tracking control method is used for the aerospace field.

A machining device based on a non-Newtonian fluid shear thickening mechanism polishing method comprises a workbench, a polishing tool system, an abrasive fluid circulation device and a computer control module, wherein the polishing tool system is installed on a portal frame of the workbench, an inlet of the abrasive fluid circulation device is communicated with an abrasive backflow opening in the workbench, and the workbench, the polishing tool system and the abrasive fluid circulation device are respectively connected with the computer control module. The machining device has the advantages that the application range is wide, the size of machined workpieces is not limited, the structure of the device is simple, the device is controlled easily, a computer controls the operation track of the device, the polishing process of non-Newtonian fluid abrasive fluid and the surfaces of the workpieces can be controlled effectively, a non-Newtonian fluid abrasive fluid circulation system is adopted, and the functions of removing abrasive dust, purifying, recycling, transporting and storing the abrasive fluid, and adjusting performance are achieved.

The invention provides soil ectopic leaching restoring complete equipment, belongs to the technical field of site contamination repairing, and solves the problems that existing leaching equipment is generally poor in soil texture applicability, single in repairable pollutant, numerous and jumbled in leaching equipment system, high in operation intensity, large in water consumption and drainage quantity and the like. The equipment comprises a wet-type screening mechanism, a spiral classifying mechanism, a leaching restoring mechanism, a waste water treatment mechanism and a waste water recycling mechanism which are arranged successively, and polluted soil is separated from the spiral classifying mechanism and the leaching restoring mechanism via the wet-type screening mechanism to obtain coarse gravels, fine gravels and clean soil so as to implement a soil ectopic leaching restoring process. The soil ectopic leaching restoring complete equipment is suitable for restoring of heavy metal and / or organic polluted soil and ectopic leaching restoring of soil with different grain diameters, and has the advantages of wide application range, good decrement effect, stable repairing effect, simplicity and convenience in operation and running, small water consumption, high waste water recycling rate and the like.

The invention relates to a method and a device, which conducts super-fast time identification and measurement to seed optical signal. The method essentially includes the following steps: (1) super short laser pulse produced by a laser pulse light source is split into two paths by an optical beam splitting system after energy regulation, collimated beam narrowing and spatial filtering system optimization and selection, among which one path passes a time delay control system and a parameter pump pulse optical path, and the other path passes a seed exciting pulse optical path; (2) the collected seed optical signal and the pump pulse incident into a parameter amplifying system, so that the parameter amplifying system conducts ultra fast amplification to the sample seed optical signal under a linear amplifying state; (3) a parameter amplifying signal detecting system is used to detect, record, refer to and revise the signal, and give corresponding detecting result to ultra fast spectra analysis and time identification and measurement of amplifying the seed optical signal. The invention can amplify the weak seed optical signal and realize detection of ultra fast time identification, and is a novel detecting method in the field of ultra fast spectroscopy.

The invention provides an underwater three-dimensional detection gliding robot. The robot comprises an appearance system, an internal adjusting system, and a control system; the internal adjusting system and the control system are arranged in the inner side of the appearance structure; and the control system is used to communicate and control the internal adjusting system. The appearance system is in a streamline shape and is provided with a communication part, so that the system has the advantages of low energy consumption, strong autonomy and enduring performance, low maintenance cost, little dependence on mother ship, and capability of achieving cooperative work, and fully satisfy the requirements of large scale, long period, and large size on sea environment supervision. The internal adjusting system comprises a pitching adjusting part, a rolling adjusting part, and a floating force adjusting part so as to make the robot have two work states: a linear gliding and a spiral gliding, so that fixed point spiral covering type sea supervision and vertical cross-section zigzag cruising supervision can both be realized, and a tri-dimensional supervision from the horizontal level to the deep sea is actually achieved.

The invention relates to the underwater robot, comprising a tapering body, parallel middle body, electric control body, horizontal sliding fin, vertical stable fin, and all kinds of drive devices, with the vertical stable fin fixed to the tapering body, floating device fixed to the tapering and parallel middle body, radio digital transmission station installed on the fixed bracket of the floating adjusting device, horizontal sliding fin fixed to the outside and parallel middle part, pitch angle adjustment device fixed to the front and middle part, electric control part connected wit the horizontal rolling angle adjustment device and elevation angle adjusting device, motor driver installed on the fixed rack, connected with the synchronic motor, front sensor installed inside it, and the emergency treatment device fixed on the bracket with the floating adjustment device. It can effectively improve the space, time density of the ocean, with low cost, and wide application.

The invention provides a password-protecting system comprising a setting module, an encrypting module, a storing module, a receiving module, a time-obtaining module, a matching module, a prompting module and a right-granting module. The setting module is used for setting an account and a plurality of passwords thereof, wherein the passwords correspond to a plurality of periods of time; the encrypting module is used for encrypting and calculating the account, the periods of time and the corresponding passwords to generate keys; the storing module is used for storing the keys to a time-sharing password data dictionary; the receiving module is used for receiving the input account and the passwords; the time-obtaining module is used for obtaining system time and calculating a period of time corresponding to the system time; the matching module is used for encrypting and calculating the input account, the passwords and the calculated periods of time to generate a verification key and matching the verification key with the keys in the data dictionary; the prompting module is used for prompting the verification failure of a user identity in case of unsuccessful match; and the right-granting module is used for confirming the user identity in case of successful match. The invention also provides a password-protecting method, can more effectively protect the account and the passwords of a user and ensures the information security of the user.

The invention relates to an induction cooker touch-controlled displaying device and a controlling method thereof. The touch-controlled displaying device comprises a control panel, a touch control induction panel firmly stuck on the lower surface of the control panel, and a displaying panel electrically connected to the touch control induction panel. A plurality of induction electrodes are arranged on the upper surface of the touch control induction panel. Light-emitting elements are arranged on the lower part of the displaying panel at the positions relative to the induction electrodes. A slide-push integral touch control operation zone is arranged on the control panel. Number button symbols comprising 0-9 are arranged in the touch control operation zone. According to the invention, both slide controlling effects and push controlling effects can be realized. When slide controlling is carried out, firepower can be rapidly set according to the travel of a finger, and the numbers can be sequentially lighted or blacken out with the moving of the finger. When push controlling is carried out, the numbers 0-9 are displayed in the operation zone, and a numeric keyboard is formed; according to the indications of the numbers, a desired number can be touched, such that functions such as time setting can be precisely and rapidly realized.

The invention belongs to the technical field of agro-ecological assessment, and discloses a method for health analysis of alpine meadow grassland ecosystem, and a computer. The method comprises steps:establishing a judgment matrix for the mutual relation of the elements located at the network layer, and obtaining the limit super matrix and the weights of each bottom index by using the analysis method of the network structure. By comparing with the existing method, the data obtained by the invention is more comprehensive and reasonable, and therefore, the health status of the grassland can beaccurately judged. The invention is convenient and practical for technicians and farmers and herdsmen, can effectively guide grass-roots technicians and farmers and herdsmen to carry out reasonable utilization and scientific management of the grassland, maintain the health status of the grassland ecosystem, and lay a foundation for the sustainable development of the grassland animal husbandry andthe sustainable exertion of the grassland ecological function.

The embodiment of the invention discloses a method for preparing a two-dimensional material. The two-dimensional material is prepared by stripping through a cutting force generated by secondary flow. The method comprises the following steps of selecting a raw material and a dispersing liquid, and preparing a mixed solution in a mixer; selecting a reactor and a power system, and connecting the reactor, the power system and the mixer; and pushing the mixed solution to the reactor, controlling the flow rate and the circulation time in the reactor, and stripping the raw material to prepare the two-dimensional material by rapid flowing of the mixed solution in the reactor and the cutting force generated by the continuous secondary flow formed at a bent plate. The preparation method has the advantages of simplicity in operation process, low cost, high adjustability and high universality and practicability, and is suitably used for various dispersing liquids and raw material systems; and infinite amplification in longitudinal dimension can be achieved during the preparation process, thus, an amplification effect does not exist, industrial production is promoted, and the method can be used for preparation of the two-dimensional material at a large scale.

A wireless communications method and system includes an industrial sensor network that comprises a plurality of industrial sensors, which communicates with the industrial sensor network at a particular operating frequency band through one or more infrastructure nodes associated with the industrial sensor network. A wireless communications network is established, which includes a plurality of wireless communications stations that communicates with one or more of the infrastructure nodes. The infrastructure node(s) can be modified to additionally function as a wireless access point for the wireless communications network utilizing Time Division Multiplexing Algorithm (TDMA), thereby permitting the industrial sensor network to coexist and accommodate the wireless communications network.

The invention relates to a heat accumulating power station and a heat supplying and power generating method thereof. The heat accumulating power station comprises a power supply, an electric heater, a heat supplying device, a power generating device, a phase change heat storage device and a fused salt heat storage device, wherein the phase change heat storage device is connected to the heat supplying device, the power generating device and the fused salt heat storage device, respectively, and a phase change material is heated by the electric heater so as to convert electric energy into heat energy which is stored in the phase change material; the fused salt heat storage device connected to the heat supplying device, the power generating device and the phase change heat storage device comprises a hot salt tank which stores high-temperature fused salt and a cold salt tank which stores low-temperature fused salt; the hot salt tank is heated through the electric heater by the power supply to convert electric energy into heat energy which is stored in the high-temperature fused salt in the hot salt tank; the power generating or heat supplying duration of the heat accumulating power station is prolonged by matched power generation or heat supply of the phase change heat storage device and the fused salt heat storage device, and meanwhile, by virtue of different heat charging and discharging characteristics of the fused salt and the heat storage device, an implementing means for flexibly supplying heat and power is provided according to different users and price structures.

The invention relates to a mining underground safety monitoring system which comprises a ground monitoring subsystem, personnel positioning subsystems and a plurality of wireless local area network APs(Access Points), wherein the ground monitoring subsystem is connected with the personnel positioning subsystems through the wireless local area network APs; the ground monitoring subsystem mainly comprises a local area network server and a wireless router; and the local area network server is in communication connection with the wireless local area network APs through the wireless router and receives positioning information sent by the personnel positioning subsystems. A wifi positioning track label embedded into a helmet worn by an operator is utilized and a wifi wireless communication network is utilized to upload the code information and position information of underground personnel to the server and display in an underground electronic map; the effective monitoring for the personnel entering into hazardous areas such as a blind lane, a gob area, and the like, is realized; and the personnel mistakenly entering into the hazardous areas can be timely detected and casualty accidents, such as stifle and the like, are prevented.

The invention discloses a method for transmitting multimedia broadcast / multicast service (MBMS) data packet. The method comprises the following steps: receiving a MBMS data packet by a radio network controller (RNC) to obtain the air interface transmission time of the MBMS data packet; determining the time for transmitting the MBMS data packet according to the air interface transmission time; and transmitting the MBMS data packet at the time. The invention also discloses the RNC and core network (CN) equipment. By using the method, a universal mobile telecommunication system (UMTS) can transmit the MBMS data packet according to the acquired air interface transmission time, thereby achieving the synchronization of MBMS data content in the UMTS, a high-speed packet access plus (HSPA+) network and a long term evolution (LTE) network.

The invention discloses an intelligent wardrobe. A wardrobe body internally comprises a clothes drying chamber, a clothes storage chamber, a transferring chamber and a controller, and a partition plate is arranged between the clothes drying chamber and the clothes storage chamber; the partition plate comprises a main plate and a side plate, and the side plate faces an ultrasonic clothes drying assembly; a conveying assembly comprises a rail, and a queuing waiting point and a drying position point are arranged on the rail located in the clothes drying chamber; the ultrasonic clothes drying assembly comprises a first movable clamping plate and a second movable clamping plate, the first movable clamping plate is close to the transferring chamber, and an ultrasonic generator is arranged on thesecond movable clamping plate. When the first movable clamping plate rotates to a closed position, the first movable clamping plate and the side plate are connected to the two sides of the rail in abutt joint mode; the controller is used for controlling the first movable clamping plate and the second movable clamping plate to close and clamp the clothes when a clothes assembly moves to the drying position point; meanwhile, the ultrasonic generator is started to dry the clothes; the first movable clamping plate is controlled to be opened, so that the dried clothes enter the transferring chamber along the rail. The wardrobe has the advantages that dry and wet separation can be realized, and the clothes drying efficiency and the clothes drying effect are improved.

The invention discloses an array-type cell dynamic culturing and regionalization processing micro-fluidic chip which includes, in a manner of being successively encapsulated from top to bottom, a flowing layer, a control layer, a thin film layer and a glass layer. The flowing layer is composed of an array-type cell culture zone, a buffer structure zone, a cell inoculation micro-pipe, a left liquidfeeding micro-pipe, a central liquid feeding micro-pipe and a right liquid feeding micro-pipe; the array-type cell culture zone is provided with a plurality of array-type U-shaped culture grooves anda plurality of U-shaped micro-columns are disposed in the buffer structure zone; the control layer is composed of a plurality of micro-pumps in a manner that an end-sealed structure is composed of one inlet and a plurality of micro-cavities in series connection. The micro-fluidic chip is used for carrying out fluid shear stress dynamic loading and regionalization processing of more than two biochemical factors / medicines, and researching interaction between processed cells and non-processed cells. The micro-fluidic chip breaks through conventional cell culture and treatment modes, and has beneficial to simulation of a fluid micro-environment and a biochemical micro-environment in cells in tissue under different physiological or pathological conditions.

The invention relates to a wet phosphoric acid production process through a ceramic membrane method. The wet phosphoric acid production process is characterized in that crude phosphoric acid filtered by a filter is pumped into a ceramic membrane separation system to be filtered, so that suspended matter in the crude phosphoric acid is removed, and clarified and transparent diluted phosphoric acid is obtained; and a ceramic membrane concentrated solution returns into the filter to circulate and is discharged along with gypsum filter residues. Compared with a conventional wet phosphoric acid production process, the wet phosphoric acid production process provided by the invention has the characteristics that the crude phosphoric acid filtered by the filter is not aged and clarified and directly enters the ceramic membrane separation system to be filtered, and therefore, the technological process and the crude phosphoric acid processing time are shortened; furthermore, a flocculating agent is not needed in the treating process; and, after the crude phosphoric acid is filtered, the solid content in the crude phosphoric acid is reduced to 0.01 wt% and below. The wet phosphoric acid production process disclosed by the invention can effectively solve the technical problems of long technological process and crude phosphoric acid processing time and low suspended matter removing efficiency in the traditional wet phosphoric acid production process; simultaneously, the ceramic membrane separation system in the invention is simple in equipment and small in occupation area; and continuous operation can be realized.

The invention discloses a generating and compression method for multi-frequency-scan radar signals. The generating method for the multi-frequency-scan radar signals is provided based on the idea that power density of signals on a time frequency domain is reduced as mush as possible. A single frequency scan signal circumferential displacement and stacking method is utilized to generate time frequency simultaneous multiplex frequency scan signals, the multi-frequency-scan signals are generated, and frequency-scan signals are multiplexed simultaneously in time and frequency in one single pulse time period. The multi-frequency-scan signals of frequency multiplexing are utilized to conduct matched filtering, subsection accumulation is then conducted to obtain distance resolution in negative proportion with bandwidth and signal to noise ratio of a single compressed frequency-scan signal under same energy condition, and secondary compression of the multi-frequency-scan signals is achieved. The signals generated by the methods have high spectrum efficiency and low intercepted probability, and distance resolution and detection distance of the radar are guaranteed.

The invention relates to the field of a drying device, in particular to a shoe-drying machine which can simultaneously dry and deodorize a plurality of shoes. The shoe-drying machine comprises a base, a main body, a rear cover plate, a blower device and an air outlet device with a heating device, wherein the heating device is arranged in the air outlet device, the main body is an open cavity, the rear cover plate is connected to the main body to form a closed cavity, the main body is connected to the base, the blower device is arranged in the main body, and the air outlet device is connected with the front end surface of the main body. The shoe-drying machine also comprises a control device, the end part of the air outlet device is provided with a vertical switch device supported by an elastic device. The invention can singly control the heating device to avoid unnecessary energy waste and has the deodorization function.

An embodiment of the invention discloses a merging unit detection analog source based on a synchronous clock signal, and an output method thereof. A DDS module serves as a main clock signal of a system, and time of a DSP module can be adjusted finely based on extremely high adjustment fineness of the DDS, thereby ensuring synchronicity of output time of the DSP module and a GPS synchronous clock signal; the DSP calculates waveform data in advance by adopting a mathematical algorithm and stores the waveform data in an RAM of the DSP module, so as to achieve transient emission when a synchronous signal arrives; and a power amplification automatic gear shifting module allows analog signals output by the analog source to have multiple gears, thereby achieving high-precision analog current and voltage output of the analog source. According to the merging unit detection analog source and the output method thereof, a merging unit generates an SV message after receiving an analog current-voltage signal; and the a network monitoring analysis merging unit compares time characteristics of the SV message with that of the GPS synchronous clock signal, generates a report on time characteristics of delay time of the merging unit in response to the analog source, and achieves the message output time characteristic test of the merging unit.

The invention relates to a side slope testing device for simulating rainfall space time changes. The side slope testing device for simulating rainfall space time changes comprises a rainfall simulating unit, a test platform unit and a data acquisition analyzing unit. The rainfall simulating unit comprises a rainfall loop formed by a water tank, a water pressure pressurizing part, a plurality of electromagnetic valves and a plurality of nozzles which communicate through a water pipe. The water pressure pressurizing part is arranged on a pipeline of the rainfall loop, and the data acquisition analyzing unit separately controls the closing magnitude of the electromagnetic valves to control the drainage flow strength on different pipelines, so that time and space distribution of rainfall is simulated. The side slope testing device for simulating rainfall space time changes, provided by the invention, is simple to operate and has the characteristics of high automatic degree of data acquisition and high repeatability.

The invention discloses a synchronous measuring system of the concentration of silt and the fluctuation velocity of water flow of low concentration muddy water. The system comprises a silt sampling device and an acoustic Doppler velocimeter. In a measurement, the silt sampling device is adopted to accurately sample silt liquor and determine the average concentration value of silt; meanwhile, the acoustic Doppler velocimeter is adopted to measure the fluctuation velocity of water flow and output the average signal strength and the pulse signal strength; then, according to the average signal strength and the average concentration value of silt, a function relation between the signal strength and the silt concentration is established; corresponding silt concentration value is calculated by means of the established function relation and the pulse signal strength, so that the concentration of silt and the fluctuation velocity of water flow are synchronously measured. According to the system disclosed by the invention, synchronous information of the concentration of silt and the fluctuation velocity of water flow can be effectively obtained. In the measuring process, the water flow in a measuring point position is not disturbed, so that the long time measurement and the pulse concentration measurement of silt concentration can be realized.

The invention discloses a cross-network clock synchronization communication device and method between different networks. The device comprises a gateway node, wherein the gateway node comprises a master network protocol control unit, the master network protocol control unit, a cross-network clock synchronization unit and a sub-network protocol control unit are in one-way communication connection; the master network protocol control unit, a cross-network communication scheduling unit and the sub-network protocol control unit are in two-way communication connection; the master network protocol control unit and a master network are in two-way communication connection; and the sub-network protocol control unit and a sub-network are in two-way communication connection. The gateway nodes of different networks are coupled through design, the cross-network clock synchronization and cross-network time triggered communication between the different networks are realized, specifically, according to the communication device, the gateway nodes of TTE and FlexRay can be coupled, and the cross-network clock synchronization and cross-network time triggered communication between the TTE and FlexRay can be realized.

The invention relates to a super sensitive time resolution spectrograph which comprises an optics unit and an electricity unit. The optics unit comprises an incidence slit, a light collimating part, a concave mirror, a grating light-dividing part, a spatial light modulator and a convergence light-receiving part, the concave mirror comprises a first concave mirror and a second concave mirror, and the electricity unit comprises a random number generator, a single photon point detector, a counter, a time measuring instrument, a control module, a data packet storage and a compression sensing module. To-be-detected quite-weak light incomes through the entrance slit and goes through the light collimating part and the first concave mirror for beam expanding and collimating so as to enable the light to be parallel light, the parallel light is irradiated on the grating light-dividing part, a generated grating reflecting light field is reflected by the second concave mirror to be folded on the spatial light modulator to form a spectrum band, the spatial light modulator randomly modulates the spectrum band to enable emergent light of the spectrum band to be emitted to the convergence light-receiving part at a certain random probability, and the convergence light-receiving part filters stray light and transmits the filtered light to the single photon point detector.

The invention discloses an anxiety state detection and feedback system based on EEG signals. The detection and feedback system comprises specially-made portable EEG signal monitoring equipment, an EEGsignal analysis system and an anxiety state analysis algorithm. Working principles of the detection and feedback system are as follows: (1) the specially-made portable EEG signal monitoring equipmentcollects brain wave data of a user and transmits the brain wave data to the EEG signal analysis system in real time; (2) after receiving the data, the EEG signal analysis system decodes and preprocesses the data, and then performs signal identification through a brain wave data machine learning model by applying the anxiety state analysis algorithm; and (3) when the system identifies the signal data characteristics of the user entering an anxiety state, the anxiety state is fed back to the equipment and a terminal in real time for feedback.

The invention discloses an asphalt mixture mixing and process monitoring system and method. With a non-intrusive method, principal component data of an asphalt mixture are extracted in real time by using a template matching identification technology and a method for evaluating the mixing quality of the asphalt mixture by using a multi-modal information fusion strategy with a mixing ratio parameter, a grading parameter, a mixing temperature, and mixing time and the like is put forward; according to the prior knowledge of the asphalt mixture type, the type of the asphalt mixture produced in realtime is identified automatically without manual intervention; and a model distribution of aggregate data is established. The operation and sieving status of the mixing equipment is determined by combining the mixing time, so that the cross-time query and cost evaluation of historical data of the asphalt mixture as well as the early warning of the poor quality of the mixture or the fault of the mixing equipment are realized.

The invention relates to a preparation method of DNA biosensor electrode, which can form a thin electrode by screen printing and application thereof. The method comprises the following steps of: (a) selecting and processing a bottom plate; (b) printing a conductive Ag layer; (c) printing a carbon layer; and (d) printing an insulation layer. By adopting electrochemical deposition, the invention can achieve surface modification of screen-printed carbon electrode with zirconium oxide film in ZrOCl2 and KCl solution. SsDNA on the sensor can make intercross reaction with complementary-paired ssDNA in a hybridization solution to form dsDNA. Due to different actions between the single / double-chain DNA and methylene blue before and after hybridization, electrochemical signals emitted by the sensor in the methylene blue solution can be recorded by differential pulse voltammetry, and the DNA to be measured can be quantitatively and qualitatively measured by measuring the change of peak current. The method can be used for measuring DNA with a concentration lower than 10<-10> M, and is a technology with high sensitivity and specific selectivity. The preparation method has simple process, strong specificity and batch production, and has very important meanings in medical diagnosis, food industry, environment protection field, etc.

The invention discloses a transmission time interval cluster transmission method and device. The method comprises the steps that a terminal determines a set A of an air interface delay time limit d and common divisors, smaller than p, in common divisors of a reach period p of a data packet; elements, meeting the formula: mod(d-a, (p / a)-1)=0, in the set A are determined and form a subset B; values corresponding to the elements in the subset B in a one-to-one mode are computed according to the formula: c=(d-b) / ((p / b)-1) and form a set C; a minimum value cmin in the elements of the set C is determined, an element bcmin, corresponding to the cmin, in the subset B is determined, the bcmin is used as a continuous TTI number used in a transmission try in transmission time interval cluster transmission, and the cmin is used as loopback time; when the terminal transmits the data packet, on the basis that the continuous TTI number used in one transmission try is the bcmin and the loopback time is the cmin, redundancy version data of the date packet in each transmission try are sent.