33results about How to "Avoid transmission effects" patented technology

The invention discloses a channel estimation method and a channel estimation device. The channel estimation method includes the following steps: a pilot frequency sub-carrier distance and an insert position deviation value of pilot frequency symbols in adjacent frequency domains are determined; according to the pilot frequency sub-carrier distance and the insert position deviation value of the pilot frequency symbols in adjacent frequency domains, the pilot frequency symbols in the frequency domains are inserted in effective sub-carriers corresponding to the frequency domain pilot frequency symbols; according to a frequency domain symbol sequence obtained after inserting processing, time domain pilot frequency symbols are determined; and the time domain pilot frequency symbols are transmitted, so that an opposite end carries out channel estimation according to the time domain pilot frequency symbols after receiving the time domain pilot frequency symbols. By means of the channel estimation method and the channel estimation device, influences on transmission from frequency deviation and channel time-varying characteristics can be avoided, and the accuracy of the channel estimation is improved.

The invention discloses an electric toothbrush. The device comprises a transmission wheel, a swing block and a transmission shaft. The transmission wheel is provided with an eccentric sliding block deviating from the central shaft of the transmission wheel. The swing block is provided with a swing sliding groove. The eccentric sliding block of the transmission wheel penetrates into the swing sliding groove. The transmission shaft is connected with the swing block and connected with the toothbrush head of the electric toothbrush. When the transmission wheel drives the eccentric sliding block toslide in the swing sliding groove, the swing block swings in a reciprocating mode so as to drive the toothbrush head of the electric toothbrush to rotate and swing in a reciprocating mode through thetransmission shaft. Through the above device, rotation of the transmission wheel is changed to swing of the swing block, and then primary transmission of the transmission shaft is driven. The transmission shaft and the transmission wheel are arranged separately, so that the transmission shaft is prevented from influencing transmission of the transmission device when sensing pressure. Loads can bereduced. Noise can be reduced. The cruising ability and the cleaning effect of a product are improved, and the service life of the product is prolonged.

The invention discloses a substrate glass positioning and grinding device and a processing process thereof. The device comprises a base, wherein the top of the base is rotationally connected with a transmission roller, the end of the transmission roller is fixedly connected with a gear, the gear is sleeved with a chain, the rear side of the top of the base is fixedly connected with a conveying motor, the middle of the base is fixedly connected with an electric push rod, a baffle is disposed on the upper portion of the electric push rod, limiting plates are symmetrically and fixedly connected to the middle of the bottom end of the base, a first screw is rotationally connected between the limiting plates, and a transverse motor is fixedly connected to one side of each limiting plate. According to the device, mounting rods and clamping blocks on the two sides are extruded inwards through the limitation of the baffle and the transmission of the sleeve and the second screw under the driving of a double-output-shaft motor, so that the substrate glass is located at the center point, the structure is simple, positioning is convenient, operation is rapid, the positioning efficiency is effectively improved, and the situation that dust splashes in the polishing process to pollute the working environment or block a transmission structure to affect use of the device is prevented.

The invention discloses a conveying device for air conditioner top cover machining. The conveying device comprises a main conveying wheel, an auxiliary conveying wheel, a guide wheel and a conveying belt; the main conveying wheel, the auxiliary conveying wheel and the guide wheel are in transmission connection with one another through the conveying belt, one end of the main conveying wheel is provided with a rotating shaft, and the rotating shaft is connected with a rotary shaft arranged at one end of a motor through a belt. A plurality of grooves are formed in the conveying belt, a rotatablebaffle assembly is arranged in each groove, the baffle assemblies are connected with a rotating rod through volute spiral springs, so that the baffle assemblies can always upwarp; and the surface of an air conditioner top cover is smooth, during conveying, the top cover is prone to sliding downwards when passing through the rising section, the baffle assemblies just can block the air conditioner top cover and prevent the air conditioner top cover from sliding down, the baffle assemblies can be pressed into the grooves even if the air conditioner top cover is pressed on the baffle assemblies, so that the influence on the conveying caused by the fact that the upwarp baffle assemblies jack up the air conditioner top cover is avoided. The device has the advantage that the air conditioner top cover can be prevented from sliding down.

The invention provides a response processing method and apparatus, a response configuration method and apparatus, an information transmission method and apparatus, a terminal and a base station. The response processing method comprises the following steps: a receiving terminal detects physical layer control information; the receiving terminal determines whether to respond to a sending terminal according to predetermined information or the configuration signaling of the base station; and when the judgment result is yes, the receiving terminal sends physical layer response signaling to the sending terminal. By adoption of the invention, the problem of control information loss in the high-frequency communication based on beam transmission in related art can be solved.

The invention is applicable to the technical field of textile equipment, and provides a textile printing and dyeing device. The device comprises a base, a printing and dyeing component and a lifting driving part, wherein a mounting frame is fixedly arranged on the base; the printing and dyeing component is arranged on the mounting frame in a liftable manner and is used for printing and dyeing textiles; the lifting driving part is arranged on the mounting frame, connected to the printing and dyeing component and used for driving the printing and dyeing component to ascend and descend; at leastone side of the printing and dyeing component is provided with a conveying roller on the mounting frame, and the conveying roller clamps textiles to be conveyed. the lifting driving part is connectedto an insection frame through a connecting frame; and the conveying roller is connected to a one-way transmission gear, and the one-way transmission gear is meshed with the insection frame. Through cooperation of the one-way transmission gear and the insection frame, continuous printing and dyeing are achieved, the continuity is good, industrial production is facilitated, the working efficiency isimproved, operation is smooth, and maintenance is convenient; and one lifting driving part is used for driving the printing and dyeing component to print and dye and the conveying roller to rotate for conveying, so that the device is simplified, energy-saving, good in synchronism and convenient to operate.

The invention discloses a wireless intelligent dynamic medical monitoring and analyzing system, which comprises a data acquisition module and a server control terminal, wherein the data acquisition module and the server control terminal are connected by virtue of a data transmission module; the data acquisition module comprises an information acquisition terminal, a micro-control unit and a radio frequency module; the micro-control unit comprises a controller and a data memory; the data memory and the radio frequency module are connected by virtue of Bluetooth; the controller is in communication connection to the information acquisition terminal, the data memory and the radio frequency module; the data transmission module comprises a plurality of wireless networks and wireless gateways which are arranged between the wireless networks,and the wireless networks are adaptive to the radio frequency module; the server control terminal comprises a control device, an alarm device and a plurality of data browsing devices; and the alarm device and the data browsing devices are in communication connection to the control device. The ward round management system disclosed by the invention can achieve wide-range and long-distance transmission, and the system is short in work response time and low in receiving energy consumption of a sensor.

The invention provides a circuit diagram rewiring method comprising the following steps of: obtaining at least one pair of paired signal wires from a circuit diagram wired previously, wherein the circuit diagram wired previously is laid on a substrate of a printed circuit board; the substrate is provided with a plurality of warps and a plurality of wefts; the at least one pair of paired signal wires includes two signal wires parallel to each other; and the paired signal wires include a plurality of pairs of paired segments; determining whether there is at least one pair of parallel segments among the paired segments which is parallel to the warp or the weft; and if there is at least one pair of parallel segments, replacing at least one pair of parallel segments on the circuit diagram wired previously by a plurality of pairs of ten-degree wires, wherein the ten-degree wire forms an angle of ten degrees with the warp or the weft.

The invention discloses a communication system, which comprises a transmitting device and a receiving device, wherein the transmitting device is used for performing serial parallel conversion on data strings to be transmitted, respectively using set weighting coefficients to code multi-channel parallel data strings after the serial parallel conversion, utilizing a definite precoding matrix to perform precoding operation on the coded data strings, and transmiting the data strings through antennas, and each antenna transmits each channel of the data strings; and the receiving device is used for receiving the data strings, utilizing a definite detection matrix to perform precoding and channel detection operations on the received data strings, decoding the data strings, determining information of branches where the decoded data strings are positioned, and performing the parallel serial conversion on the data strings according to the branch information. The system can avoid the influence of inter-channel interference on the transmission of the data strings, and improve the reliability of data transmission. The invention discloses a transmission method and a communication device for transmitting and processing data.

The invention provides an uplink channel information determination method, a terminal and network side equipment, and the method comprises the steps: determining a service type and/or priority corresponding to an uplink channel according to DCI corresponding to the uplink channel under the condition that the uplink channel is determined to be a first type of uplink channel, wherein the first typeof uplink channel comprises at least one of the following: a physical uplink shared channel (PUSCH) bearing an uplink shared channel (UL-SCH) or a transport block (TB), and a physical uplink control channel (PUCCH) at least bearing a hybrid automatic repeat request acknowledgement (HARQ-ACK). According to the embodiment of the invention, the problem that the service type and/or priority of which uplink channel needs to be determined based on DCI can be solved, so the problem that due to the fact that the service type with higher priority or higher priority is only determined for the uplink channel only bearing CSI, the transmission of a real high-priority channel or a channel bearing high-priority service is influenced, is solved.

The invention relates to an adjustable baffle ruler for cutting and positioning of machine tools. The adjustable baffle ruler comprises a positioning mechanism, a transmission mechanism, a locking mechanism and a subsidiary mechanism; the subsidiary mechanism comprises a supporting plate and a dustproof cover, and both sides of the supporting plate are provided with grooves in the longitudinal direction; the positioning mechanism comprises a front baffle plate and positioning rulers, the upper surfaces of the two positioning rulers are provided with racks in an integral manner, and the bottomof each positioning ruler is provided with a roller; the transmission mechanism comprises a main transmission shaft, a secondary transmission shaft, a large diameter adjustment gear, a small diameterfine adjustment gear and a track gear, and the lateral outer side of the dustproof cover is provided with a coarse adjustment hand wheel and a fine adjustment hand wheel; and the locking mechanism comprises a rear baffle plate, a bolt which is arranged on the supporting plate in a sliding and clamped manner, and a nut which is screwed on the bolt in a rotational manner, the rear vertical surface of the rear baffle plate is provided with a hoop and the bolt is arranged in the hoop in a penetrating manner. The adjustable telescopic baffle ruler has the beneficial effects that the adjusting and positioning process of the required cutting position can be realized when in use, the structure is simple and use is convenient.

The invention discloses a water rescue device, and belongs to the field of rescue equipment. The device comprises two ship bodies which are parallel to each other and are arranged side by side, wherein a gap is reserved between the two ship bodies; a connecting plate is arranged between the two ship bodies and connects the two ship bodies, wherein the connecting plate is telescopic; a telescopic driving unit arranged between the two ship bodies, connects the two ship bodies, wherein drives the two ship bodies to be close to or away from each other; and two stern driving units arranged at the tails of the ship bodies correspondingly, wherein the ship bodies are driven by the stern driving units to travel. In the rescue process, when a narrow river channel is encountered, the distance between the two ship bodies is reduced by controlling the telescopic driving unit, the ship bodies can directly pass through the narrow channel, when strong storm waves are encountered or the loading capacity requirement is large, the distance between the two ship bodies is increased by controlling the telescopic driving unit, the connecting plates are unfolded, impact force can be buffered, and the ship bodies are kept balanced; and rescue workers can sit on the connecting plate, and more materials can be placed on the connecting plate, so that the rescue efficiency is improved.

The invention discloses a wind power generation and photovoltaic power generation integrated device, and the device comprises a transmission mechanism which comprises a transmission rod disposed in the vertical direction and a disc fixedly connected to the transmission rod; each blade assembly comprises a support and a wind power blade fixed to the support, and the support is connected to the disc; the lower end of the transmission rod is connected with the wind driven generator; the bearing assembly comprises a first bearing, a second bearing, a fixed column and a supporting column, one end of the supporting column is rotatably fixed in the second bearing, and the upper end of the transmission rod is rotatably fixed in the first bearing; the first photovoltaic solar module is fixed at the upper end of the supporting column; and the energy storage device is electrically connected with the first photovoltaic solar module and the wind driven generator respectively. According to the invention, power can be generated through the wind power blades under the windy condition, and photovoltaic power generation can be generated by using solar energy, so that wind power resources and light energy are effectively utilized, and the generation efficiency of clean energy is improved.

The invention belongs to the technical field of air compressors and discloses a novel screw type air compressor which comprises an air compressor shell, supporting legs are fixedly connected to the two ends of the bottom side of the air compressor shell, an electrical cabinet is arranged at the top of the air compressor shell, a fixed roller mechanism is fixedly installed in an inner cavity of the air compressor shell, and a movable roller mechanism is meshed with one side of the fixed roller mechanism. The movable roller mechanism is adjustably installed on one side of an inner cavity of the air compressor shell. According to the invention, particles can penetrate through micropores in the surface of the press-fit net sleeve to enter the inner side of the press-fit net sleeve and stay on the surface of the energy-absorbing gasket, so that the adaptive adjustment requirement of the rotation dynamic balance of the shaft body of the extrusion fixed roller is met, and the noise caused by the eccentric rotation of the extrusion fixed roller due to uneven dynamic balance and the increase of compression power consumption are reduced; and meanwhile, the flexible energy absorption gasket supports the pressing net sleeve, so that energy absorption of the contact impact force of the extrusion fixed roller and the pressurization movable roller rotor piece is achieved, and the attachment noise generated during air compression is further reduced.

The invention relates to the technical field of power equipment, and discloses a self-compensating cable bridge which comprises a bridge box, one end of the bridge box is fixedly connected with an adjusting protrusion, the other end of the bridge box is provided with an adjusting groove, one end of the adjusting protrusion is fixedly connected with a rubber layer, and the outer side of the top of the bridge box is provided with a clamping groove. The two ends of the outer side of the bottom of the bridge box are fixedly connected with symmetrical buckling protrusions. Through the designed adjusting protrusions, the adjusting grooves, the rubber layers and the lock catches, prestress provided by the rubber layers and the lock catches is obtained when the adjacent bridge frames are installed, the prestress provided by the rubber layers and the lock catches is eliminated when the bridge frames stretch out, draw back and displace, the safety of the bridge frames is guaranteed. When the prestress is invalid due to the force generated by the expansion and the displacement of the bridge, the lock catches are loosened, the expansion and the displacement of the bridge can be automatically adjusted through the free sliding of the adjusting bulge and the adjusting groove, and meanwhile, the falling of the bridge is avoided.

The invention provides drilling machine equipment with a synchronous extraction function for coal mine production. The drilling machine equipment comprises a coal shoveling mechanism, wherein the coalshoveling mechanism is rotationally installed at the upper end of a front connecting supporting plate, a transverse driving shaft is in transmission connection with a transition shaft through a chain, the transverse driving shaft and the transition shaft are arranged on the rear side and the lower side of the coal shoveling mechanism respectively, a transverse bevel gear is fixedly installed at the outer end of the transverse driving shaft, the transverse bevel gear is in engaged connection with a vertical bevel gear, the vertical bevel gear is fixedly installed at the top end of a vertical driving shaft, a driving gear is further fixedly connected to the middle of the transverse driving shaft in a clamped mode, and a conveying mechanism is further installed on a machine body. According to the equipment, when obstacles occur during coal shoveling, the coal shoveling mechanism can be driven by the driving shafts to reversely rotate by a certain distance, a reverse arc-shaped shovel blade is used for shoveling coal from the lower end of an obstacle encountering block, then the coal shoveling mechanism is positively driven to act, the situation that a coal shovel is broken due to thelarge obstacles in the coal shoveling process is avoided, and the synchronous extraction function of coal drilling production is better achieved through the conveying mechanism.

The present invention provides a method for acquiring a system message, a user equipment, and a base station. The method comprises: a user equipment detecting a downlink control channel, wherein the downlink control channel bears downlink control information (DCI), a DCI format corresponding to the downlink control channel comprises a first information domain, and the first information domain is used for indicating a system message; and the user equipment acquiring the system message according to the DCI borne on the detected downlink control channel. Embodiments of the present invention can improve the acquisition performance of a system message.

The invention belongs to the technical field of end face sealing, and particularly relates to a dynamic seal contact surface friction rotating torque measuring device. The device comprises a static part, a moving part and a floating measurement part; the moving part comprises a shaft body, and the shaft body is rotationally matched with the floating measurement part through the matching of the moving ring and the static ring; a fit clearance exists between the outer wall of the floating measurement part and the static part, and the fit clearance is vacuumized or filled with lubricating liquidor provided with an air film or forms a magnetic suspension clearance; and the device further comprises a measuring part capable of synchronously rotating with the floating measurement part, and one-way abutting fit capable of restraining the measuring part from generating the synchronous rotating action is formed between the action end of the measuring part and the sensing end of a sensing part.The device has the advantages of simplicity and convenience in measurement, easiness in implementation and convenience in operation, the influence of frictional resistance moment generated by externalfactors on a measurement result can be effectively avoided, and finally, the accuracy and the reliability of measurement data are ensured.