107results about How to "Improve signal transmission rate" patented technology

A stacked package includes a substrate, a first die, at least one signal transmission plate, at least one second die, a plurality of conductive wires, and a molding compound. The first die is electrically connected with the substrate using flip-chip bonding. The signal transmission plate is provided on the first die and includes an insulating layer, a layout wire layer, and a solder mask layer. The layout wire layer is formed on the insulating layer, and the solder mask layer is formed on the layout wire layer. The solder mask exposes partial area of the layout wire layer at the center and peripheries of the signal transmission plate to form a plurality of die bonding pads and a plurality of wire bonding pads. The second die is electrically connected with the die bonding pads using flip-chip bonding, and the wire bonding pads are electrically connected with the substrate via the conductive wires so that the signals from the second die are transmitted to the substrate. In addition, the molding compound is used to encapsulate the first die, the signal transmission plate, the second die, and the conductive wires.

The invention provides a continuous wave slurry pulse generator. A power and transmission device is arranged at the bottom; a pressure balancing and sealing module is arranged in the middle; a rotary valve is arranged on the top; the power and transmission device is composed of a motor driver, a motor assembly, a universal coupler, a secondary sealing transmission shaft and a main transmission shaft; the motor assembly is fixedly arranged in a pressure-resisting cylinder; the secondary sealing transmission shaft is connected with the motor assembly through the universal coupler; the pressure balancing and sealing module is composed of the pressure-resisting cylinder, a balancing piston and a high-pressure plug; the pressure-resisting cylinder is provided with a pore path through which the slurry flows; the pressure-resisting cylinder is provided with a pore path through which the hydraulic oil flows; and the rotary valve is composed of a stator, a rotor and a sleeve. The continuous wave slurry pulse generator is simple in structure, is reliable in working and is suitable for a wireless system for measuring while drilling. The problems of low speed and high error rate for information transmission are solved.

The invention discloses a mobile self-adaption energy and information synchronization wireless transmission method which comprises the following steps: Step 1, an embedded MCU generates a combination frequency signal; Step 2, the combination frequency signal is coupled to a wireless strong coupling type bilateral matching receiving coil; Step 3, an optimal frequency estimation circuit estimates a resonance oscillation frequency point; when the frequency of a frequency synthesizer is stabilized, the Step 4 is carried out; Step 4, the embedded MCU generates an information sequence, and a frequency-selecting switch controls signal output; Step 5, according to the amplitude of fluctuation of a DC signal, the situation that whether a device enters a restarting mode or not is determined; Step 6, when the amplitude of fluctuation of the DC signal is smaller than the reference level offset, the device enters the restarting mode. The invention further discloses a device for realizing the mobile self-adaption energy and information synchronization wireless transmission method. The device comprises an energy and information wireless launching unit and an energy and information wireless receiving and recovery unit connected with each other and has the advantages of high efficiency and reliability.

This invention relates to one parallel power supply system without stop, which uses first signal of first supplier and second signal of second supplier to connect with connector to make the first control module receive data signals from second power module and second battery module and the second control module receive data signals from first power module and first battery module to make the first and second suppliers connect.

The invention relates to an electric connector and a fabricating method thereof. The electric connector comprises an insulating body and a terminal group, wherein the insulating body comprises a first body, the first body comprises a first main body part and a first lingual plate, the first lingual plate is provided with a first terminal groove; the terminal group comprises a plurality of first terminals embedded and formed on the first body and a plurality of second terminals, each first terminal comprises a first contact part and a first welding part, the first contacting part adopts a tabulate structure, each second terminal comprises a second contact part and a second welding part which are accommodated in the first terminal groove, the second contact part comprises an arc elastic part, and the first contacts and the first contact parts are together arranged at the same side of the first lingual plate.

A semiconductor device forming method comprises providing a substrate which comprises a core region and a peripheral region, wherein shallow groove isolation layers and a plurality of fins higher than the shallow groove isolation layers are formed on the substrate; forming a cap layer material layer on the substrate, wherein the substrate and fin surfaces are covered with the cap layer material layer; removing the part of the cap layer material layer in the peripheral region, and using the remaining cap layer material layer in the core region as a cap layer; forming a first etching blocking layer on the surfaces of the fins in the peripheral region through a peripheral region process after the cap layer is formed. In the core region, the cap layer blocks the diffusion of oxygen to the fin surfaces, and the silicon consumption on the fin surfaces in the core region is small or not consumed fundamentally. Compared with the prior art, the fin line width in the core region and the expected line width are of little difference or nearly equal, and accordingly, the high carrier mobility of carriers in fins of a core circuit can be guaranteed, and the core circuit has high signal transmission rate.

The invention provides a variable-refrigerant-flow protocol conversion control method, device and system and an air conditioning system. The method comprises the following steps of receiving inner unit signals from inner units, and determining an inner unit communication protocol executed by the inner unit signals; when the inner unit communication protocol is different from an outer unit communication protocol, converting the communication protocol executed by the inner unit signals into the outer unit communication protocol; sending the inner unit signals converted through the communicationprotocol to variable refrigerant flow outer units. By means of the variable-refrigerant-flow protocol conversion control method device and system and the air conditioning system, the universality of the variable-refrigerant-flow air conditioning system can be improved, and the development efficiency and the using effect on the air conditioning system can also be improved.

The embodiment of the invention provides a method and device for merging virtual cells and a network system, relates to the technical field of network communication, and solves a problem that in the prior art, strong interference can be generated among overlapped virtual cells, so that a rate of signal transmission between a RRH (Remote Radio Head) and a user is reduced to cause low rates of usersin the whole network. The method comprises the steps of: partitioning an overlapping region in a preset region, which consists of at least two virtual cells Cell; and when a first virtual cell Cell-1and a second virtual cell Cell-2 in the overlapping region meet a merging condition, merging the first virtual cell Cell-1 and the second virtual cell Cell-2 in the overlapping region, which meet themerging condition, into a new virtual cell Mu-Cell. The embodiment of the invention is used for providing an overlapped virtual cell merging method.

The invention discloses an establishment method for a real virtual staggered quadriphase sequence and a sequence set, an MSK/GMSK (Gaussian Minimum Shift Keying) synchronization method and an FBMC (Filter Bank Multicarrier)-OQAM spectrum spread system. The real virtual staggered quadriphase sequence and sequence set are established according to a binary sequence with high autocorrelation. The real virtual staggered quadriphase sequence can be generated by any binary sequence. The cycle of the generated real virtual staggered quadriphase sequence is two times of that of the original binary sequence. The maximum nontrivial autocorrelation function value of the generated real virtual staggered quadriphase sequence is two times of that of the original binary sequence. According to the real virtual staggered quadriphase sequence and sequence set obtained through adoption of above-mentioned establishment method, synchronization of a MSK/GMSK signal is realized; the optimum quadriphase sequence is applied to MSK/GMSK modulation, thereby obtaining the MSK/GMSK signal with an excellent autocorrelation characteristic; and the optimum quadriphase sequence can be applied to synchronization and channel estimation. The established real virtual staggered quadriphase sequence and sequence set also can be used as spectrum spread codes for spreading spectrum, a purpose of reducing a peak-to-average power ratio of an FBMC signal is achieved, a signal transmission rate is improved, and an FBMC-OQAM signal with the excellent autocorrelation characteristic is obtained.

The invention discloses an NBIOT and power line carrier binary channel-based streetlamp controller and method, and relates to the technical field of streetlamp control. The streetlamp controller comprises a streetlamp MCU, a power line carrier communication module, an integrated controller, an NBIOT communication module and a management platform, wherein the power line carrier communication moduleis in communication connection with the streetlamp MCU; the integrated controller is connected with the streetlamp MCU and the power line carrier communication module separately; the integrated controller controls the power line carrier communication module; the NBIOT communication module is in communication connection with the streetlamp MCU; and the management platform is in connection with theNBIOT communication module. By virtue of the streetlamp controller, two-way communication between nodes is realized, abnormal states of multiple lamp controllers can be reported to a management center synchronously, control accuracy of the lamp controllers is improved, and a technical effect of accurate control of time delay is realized.

The present invention discloses a phenoxycyclotriphosphazene active ester, a halogen-free resin composition and uses thereof. The phenoxycyclotriphosphazene active ester comprises at least 65 mol. % of a substance having the following structural formula. The halogen-free resin composition comprises 5-50 parts by weight of a phenoxycyclotriphosphazene active ester, 15-85 parts by weight of a thermosetting resin, 1-35 parts by weight of a curing agent, 0-5 parts by weight of a curing accelerator and 0-100 parts by weight of an inorganic filler. The present invention discloses introducing phenoxycyclotriphosphazene active ester into a thermosetting resin, reacting active esters with thermosetting resins, such as epoxy resin, without producing hydroxy groups, which not only satisfies the requirements on being halogen-free and flame retardancy, but also improves the electrical properties (decreasing and stabilizing Dk and Df) of the system, so as to make non-halogenation of high frequency and high speed substrate materials possible.

The invention provides a high-efficiency two-wire system power supply modulation bus and a realization method thereof, relating to the electrical and circuit field. The modulation bus comprises two buses providing power supply and modulation signal, a sampling circuit, a hysteresis reactive circuit, a low pass filter circuit and a signal comparator. By using the hysteresis reactive circuit in the signal comparator, through increasing hysteresis feedback voltage, the following effect of the hysteresis reactive circuit is realized, thus the power supply bus have strong anti-interference capability, low rate of error code and high signal transmission rate in the realization of data signal transmission.

The invention discloses a signal optimization method and system of a multicarrier signal and energy simultaneous transmission system. The method comprises the steps that A) a first subcarrier power distribution coefficient and a first sub-band distribution coefficient are endowed, and an optimal signal power distribution ratio is calculated on the basis of a rate relation, the first subcarrier power distribution coefficient and the first sub-band distribution coefficient; and B) a conversion relation is obtained on the basis of the optimal signal power distribution ratio, and is processed on the basis of the Lagrange duality principle to optimize the power distribution coefficient and the sub-band distribution coefficient. The system is used to execute the corresponding method. The signaland energy signals in the emission end are optimized via the Lagrange duality principle to obtain the maximal signal transmission rate, and the frequency range utilization rate of the signal and energy simultaneous transmission system can be improved greatly.

The invention discloses a semiconductor packaging device. The semiconductor packaging device comprises a packaging substrate, a connecting chip, a plurality of first conductive columns, at least one first rewiring layer, a first chip and a second chip. The connecting chip is located at one side of the packaging substrate, and the non-functional surface of the connecting chip faces the packaging substrate. The first conductive column is located at the periphery of the connecting chip, and one end of the first conductive column is electrically connected with the packaging substrate. The first rewiring layer is located at one side of the functional surface of the connecting chip, and different areas of the first rewiring layer are electrically connected with the connecting chip and the otherends of the first conductive columns respectively. The first chip and the second chip are arranged on the first rewiring layer in the same layer, the signal transmission areas on the functional surfaces of the first chip and the second chip are arranged close to each other, and the signal transmission areas and the non-signal transmission areas on the functional surfaces of the first chip and thesecond chip are the same in height and are electrically connected with the first rewiring layer. By the above mode, the packaging cost can be reduced, and the performance of the semiconductor packaging device can be improved.

The present invention discloses a photoelectric composite cable for high-definition multimedia transmission. The cable comprises electrical units, an optical unit, reinforcers and over sheaths. The reinforcers are arranged at the upper side and the lower side of the optical unit, the upper portions of the reinforcers are provided with the electrical units, the electrical units, the reinforcers and the optical unit are coated with the over sheaths, the electrical units are insulation electron beams or twisted wires, the optical unit comprises a tight tube optical fiber or an optical fiber microtubule located at the center, a reinforcement layer is coated with the tight tube optical fiber or the optical fiber microtubule, the reinforcement layer performs external plastic extruding of an inner sheath, and the inner sheath is coated with a waterproof layer. The photoelectric composite cable has good stretching resistance and flattening resistance performances, the optical unit portion has water-blocking and flame retardation performances and good bending resistance performance and can be used in the outdoor hostile environment, the optical fiber is employed to perform data transmission to effectively perform interference resisting, the transmission distance is long, the transmission capacity is large, and the optical unit and the electrical units are easy to be separated so as to facilitate processing the composite cable into a connector module in later period.

The invention discloses a multi-user device access method and apparatus. The method includes the steps of performing different spread spectrum processing operations on data of multiple user devices separately, so that data of the user devices subjected to the spread spectrum processing are mutually independent; and uplink-transmitting the data of the multiple user devices after the spread spectrum processing simultaneously at the same frequency. In the embodiment of the invention, the data of the multiple user devices are separately subjected to the different spread spectrum processing operations so that the data of the user devices subjected to the spread spectrum processing are mutually independent, the data of the multiple user devices after the spread spectrum processing are uplink-transmitted simultaneously at the same frequency so that the multiple user devices can simultaneously transmit at the same frequency, and the signal transmission rate and resource utilization rate are improved.

The invention discloses an unmanned aerial vehicle bee colony networking method and system based on a 5G signal, and an intelligent terminal. The unmanned aerial vehicle bee colony networking method based on the 5G signal is applied to an unmanned aerial vehicle bee colony system, and the method comprises the steps: obtaining the 5G signal intensity corresponding to each unmanned aerial vehicle of an unmanned aerial vehicle bee colony; judging whether the 5G signal intensity corresponding to each unmanned aerial vehicle accords with preset networking 5G signal intensity or not; establishing a 5G network communication link between the unmanned aerial vehicles of which the 5G signal strength accords with the preset networking 5G signal strength in the unmanned aerial vehicle swarm and a mobile remote control terminal; after establishing a 5G network communication link, detecting whether an unmanned aerial vehicle of which the 5G signal strength does not conform to the preset networking 5G signal strength exists in an unmanned aerial vehicle swarm or not; and if the unmanned aerial vehicle exists, establishing a first D2D communication link between the unmanned aerial vehicles of which the 5G signal strength does not meet the preset networking 5G signal strength and the unmanned aerial vehicles of which the 5G signal strength meets the preset networking 5G signal strength in the unmanned aerial vehicle swarm. Therefore, the communication link is more stable, and the problems of disconnection and unstable signals of the unmanned aerial vehicle are avoided.

The invention discloses a composite copper layer polyvinyl chloride leakage waveguide feeder line and a manufacturing method thereof. The composite copper layer polyvinyl chloride leakage waveguide feeder line, in structure, radially comprises a copper foil layer, a polyvinyl chloride hard circular tube and a flame retardant protection layer in sequence from an inner diameter to an outer diameter,wherein the outer surface of the polyvinyl chloride hard circular tube is also provided with a plurality of slots along the length direction; and the opposite side of the slot is a joint place of a ridge structure. The composite copper layer polyvinyl chloride leakage waveguide feeder line is scientifically designed, and high-frequency communication requirements, signal stability, light weight, and easy installation under a complicated environment can be met.

The invention discloses a broadband power line communication subcarrier distribution method based on a quantum algorithm. The method comprises the following steps: 1, establishing a multi-node power line network topology model; 2, initializingthe coding of the quantum state; 3, forming a population; 4, measuring the quantum state; 5, evaluating target; 6, judging whether the genetic termination condition is reach; If yes, ending the method; If not, evolving by a rotation operator and returning to step 4. The invention combines the quantum genetic algorithm and adopts the dynamic resource allocation mode to optimize the distribution of the broadband PLC subcarriers, so as to improve the transmission efficiency of the OFDM system and realize the improvement of the power line communication performance.

The invention discloses a laser and ultrasonic combined lithotripsy system. The system comprises a hollow probe rod, wherein an annular ultrasonic generator is arranged in an inner cavity of the proberod, a laser generator is arranged in the annular ultrasonic generator, an adsorption tube is arranged at the bottom of the ultrasonic generator, a video probe is arranged on one side of the adsorption tube, a cleaning fluid tube is arranged on the other side, a hose is fixedly connected with one end of the probe rod, an input optical fiber and an output optical fiber are arranged in an inner cavity of the hose, a comprehensive controller is arranged at one end of the hose, and a holding rod is arranged on one side of the comprehensive controller. The system adopts multi-purpose design and iscompact and reasonable in structure and convenient to use, the adsorption rate of pulverized stone can be controlled by adjusting the vacuum degree of a negative-pressure vacuum adsorber, the detected whole stone pulverizing process can be recorded by use of the video probe, and signals are transmitted to a PC terminal to facilitate observation and analysis by doctors.