38results about How to "Will not affect work performance" patented technology

The invention discloses a phase measurement compensation method for airborne interferometric SAR (synthetic aperture radar) based on synchronous internal calibration signals, effectively improves precision in interchannel error measurement and compensation and lowers the effect of calibration signals on radar performance. A calibration signal source is used to generate a phase modulated internal calibration signal; the phase modulated internal calibration signal is divided into N signals by a shunt, the internal calibration signal is combined with radar echo signal, received by an antenna, through a combiner, the internal calibration signal and the radar echo signal in the same path are synchronously input to corresponding receiving channels by controlling start time of the internal calibration signal; a matching filter is used to extract internal calibration signals from radar data of each receiving channel so as to separate the internal calibration signals from radar echo in an image field; processes of the phases of the receiving channels changing with time is calculated according to phase changes of the internal calibration signals; interchannel phase error measurement and compensation are completed according to phase change processes of the channels, and transmission error correction is complete.

The invention relates to an optical cable splitting box. The peripheral wall of a box body is hinged with one side of the outside wall of a box cover through a hinge; two press block gaps and sliding plate gaps which are opposite to each other are reserved on the box body; two optical cable pressing blocks of which the bottoms are provided with upper arc-shaped grooves are respectively plugged in the press block gaps to form optical cable holes; threading sliding plates are plugged in the sliding plate gaps; a pressing plate and more than one fixing seat are plugged in vertical guide rails of the threading sliding plates in turn from the top to the bottom; an L-shaped bottom plate is arranged on a box bottom plate of the box body; a supporting seat and a welding disk are arranged on the bottom plate; the bottom plate is provided with more than two cable locking rings as well as optical cable fasteners and a grounding bolt; one side of an intermediate overturning plate is rotatably connected with the bottom plate through a pin shaft; a mounting bracket, a tail optical fiber parking seat and a cable locking ring are arranged on the upper part of the intermediate overturning plate; and an optical branching device box is plugged in the mounting bracket or / and an intermediate bearing support through longitudinal guide plates on the two sides. The optical cable splitting box has the characteristics that: the structure is reasonable, the internal wiring route is clear, the optical cable splitting box is convenient to operate, and the optical branching device is flexible to configure.

The invention relates to a transformer rebreather structure which comprises a breather tank filled with drying agents. A breather tube connected with an oil line in a transformer via a pipeline is arranged in the breather tank and penetrates through the breather tank. The transformer rebreather structure is characterized in that the breather tube comprises an air guide section located in the breather tank and a free section located outside the breather tank, a one-way air valve is arranged in the free section of the breather tube, the air guide section of the breather tube comprises an upper air guide tube located on the upper side of the breather tank and a lower air guide tube located on the lower side of the breather tank, the upper air guide tube and the lower air guide tube are in sealed connection, a plurality of air guide holes are formed in the walls of the upper air guide tube and the lower air guide tube, a vent hole is formed in the bottom of the breather tank, and a rubber sealing cover is connected with the bottom of the breather tank via a reset spring. By means of the transformer rebreather structure, an oil cup structure is omitted, product operating performance is not affected during equipment transportation and installation, and normal operation is guaranteed.

The invention provides a capacitive charging current control circuit. The circuit comprises a circuit switch, a filter capacitor and a control circuit. One end of the circuit switch is connected with the ground, a positive plate of the filter capacitor is connected with a power supply, and a negative plate of the filter capacitor is connected with the other end of the circuit switch. The control circuit is connected with a control end of the circuit switch and sends control signals to control on resistance of the circuit switch. The circuit switch controlled by gate voltage is added between the filter capacitor and ground connection, thereby achieving the aim of controlling charging current of the filter capacitor, adding no more power consumption after a chip is started normally, and being not capable of influencing working performance of the filter capacitor.

An embodiment of the invention discloses a schottky diode manufacturing method and a Schottky diode. The method comprises: forming a GaN layer, a barrier layer and a passivation layer on a silicon substrate; at least etching the passivation layer to the barrier layer to form an anode contact hole; forming a dielectric layer, and etching the dielectric layer to form a thin anode dielectric, wherein the anode dielectric at least covers a part of bottom portion of the anode contact hole, and makes contact with the side wall of the anode contact hole; and filling metal in the anode contact hole to form an anode. The anode dielectric is formed at the edge of the anode; the anode dielectric reduces contact area of the metal and an AlGaN layer, that is, the area of a schottky junction is reduced, thereby reducing reverse leakage current of the Schottky diode; and besides, the anode dielectric also prevents electric leakage due to defect of the contact surface between the metal and the passivation layer, and thus reverse leakage current of the Schottky diode is further reduced.

The embodiment of the invention relates to the technical field of data node analysis, in particular to a distributed data node abnormal behavior detection method and device and a server. In this method, when the first data node and the second data node carry out data interaction and node identifiers of the two nodes are the same, a first action instruction stream of a first data node and a secondaction instruction stream of a second data node can be determined from an interaction record between the first data node and the second data node and are analyzed by adopting the same action analysislogic; and when the first instruction feature and the second instruction feature obtained through analysis are not matched, different behavior recognition logics are adopted for recognition to obtaina first recognition result and a second recognition result, and then the data node with the abnormal behavior is determined based on the first recognition result and the second recognition result. Inthis way, on the premise that the working performance of the distributed data nodes is ensured, detection of abnormal behaviors is achieved, and then the invaded distributed data nodes are determined.

The invention discloses a special motor control system for an intelligent channel system and a control method. The motor control system comprises a main control circuit, a motor driving circuit, peripheral equipment and a detection module, wherein the main control circuit comprises a DSP (Digital Signal Processor) and an FPGA (Field Programmable Gate Array) processor; the motor driving circuit comprises a driving module and a semi-axle circuit; the peripheral equipment is connected with the FPGA processor by a third I / O isolation module, and comprises an infrared sensing module, an access module and a clutch module; and the detection module comprises a temperature sensor, a current detection module and a position detection module. According to the invention, by monitoring for the position, speed and current of a motor, adoption of a closed-loop feedback technology with a high-resolution encoder as well as optimization of speed setting and a acceleration curve, the starting speed is high, the stoppage is smooth, and the mechanical noise is reduced, so that the special motor control system can be applicable to occasions with very-frequent passage.

The invention discloses a control method for reducing energy consumption. The method comprises the following steps: determining N valves needing to work in M valves, wherein N is an integer which is greater than or equal to 1 and smaller than or equal to M; judging whether N is greater than a first preset number value or not; if N is greater than the first preset number value, judging whether the first number value of to-be-excited phases in the N valves is greater than a second preset number value or not, wherein the first number value of to-be-excited phases is the total number value of to-be-excited phases in the N valves; and if the first number value of to-be-excited phases is greater than the second preset number value, controlling the N valves to start acting according to a first preset regulation. The invention further discloses a device and a refrigeration system which are used for realizing the method.

The present invention discloses a technique for recovering anchorage device and recoverable anchor rope in the civil engineering. Said invention is mainly characterized by that it utilizes cross pin placed between an external cylinder and an intermediate cylinder and inner bar placed in the interior of intermediate cylinder to attain the goal of implementing fixation and release between the intemediate cylinder and external cylinder so as to implement recovery and utilization of anchor rope and main anchorage device.

The invention discloses a phase measurement compensation method for airborne interferometric SAR (synthetic aperture radar) based on synchronous internal calibration signals, effectively improves precision in interchannel error measurement and compensation and lowers the effect of calibration signals on radar performance. A calibration signal source is used to generate a phase modulated internal calibration signal; the phase modulated internal calibration signal is divided into N signals by a shunt, the internal calibration signal is combined with radar echo signal, received by an antenna, through a combiner, the internal calibration signal and the radar echo signal in the same path are synchronously input to corresponding receiving channels by controlling start time of the internal calibration signal; a matching filter is used to extract internal calibration signals from radar data of each receiving channel so as to separate the internal calibration signals from radar echo in an image field; processes of the phases of the receiving channels changing with time is calculated according to phase changes of the internal calibration signals; interchannel phase error measurement and compensation are completed according to phase change processes of the channels, and transmission error correction is complete.

The invention relates to pan-alkali-resistant concrete and a preparation method thereof. Involved in the field of building materials. In parts by weight, the raw materials for the preparation of the anti-efflorescence concrete include: 8-25 parts of cement; 60-90 parts of aggregate; 2-6 parts of admixture; 0.3 parts; water; the acrylate functional agent is selected from acrylate monomers and / or acrylate polymers. The efflorescence-resistant concrete of the invention can effectively improve the efflorescence phenomenon of the concrete without affecting the compressive strength of the concrete, and at the same time, has good construction performance.

The invention provides a circuit for preventing common-mode latch-up of a full-differential operational amplifier, which relates to the field of integrated circuits. When the common-mode output of the full-differential operational amplifier is latched, an anti-latch protection circuit is triggered to work. When the low-level latch detection circuit detects that the common-mode output latch is at a low level, it controls the charging circuit to charge the output stage circuit, and releases the low-level latch state of the common-mode output; the high-level latch detection circuit detects that the common When the mode output latch is at a high level, the discharge circuit is controlled to discharge the output stage circuit, and the latch state of the common mode output high level is released. When the common-mode output of the fully differential operational amplifier releases the latch state and returns to the normal state, the anti-latch protection circuit does not work so as not to affect the operation of the differential operational amplifier. The invention can prevent the common-mode latch of the fully differential operational amplifier, and the anti-latch protection circuit is in a dormant state after the latch state is released, which does not affect the working performance of the fully differential operational amplifier and does not introduce additional power consumption.

The invention relates to efflorescence-resistant concrete and a preparation method thereof, relating to the field of building materials. The efflorescence-resistant concrete is prepared from the following raw materials in parts by weight: 8-25 parts of cement; 60-90 parts of an aggregate; 2-6 parts of an admixture; 0.01-0.4 part of an acrylate functional agent, and 0.1-0.3 part of a water reducingagent; and water; wherein the acrylate functional agent is selected from acrylate monomers and / or acrylate polymers. According to the efflorescence-resistant concrete disclosed by the invention, theefflorescence phenomenon of the concrete can be effectively improved on the basis of not influencing the compressive strength of the concrete, and meanwhile, the construction performance is good.

The invention particularly discloses a single-motor-controlled large-range windscreen wiper structure. The single-motor-controlled large-range windscreen wiper structure comprises a motor, a mounting seat and a connecting rod, wherein a driving gear shaft and a driven gear shaft are arranged on the mounting seat; one end of the connecting rod is connected with the driving gear shaft, and the other end of the connecting rod is connected with the driven gear shaft; the motor is connected with the driving gear shaft; a first gear shaft and a second gear shaft are further arranged on the mounting seat; the driving gear shaft and the driven gear shaft are arranged between the first gear shaft and the second gear shaft; the driving gear shaft is in meshed transmission with the first gear shaft; the driven gear shaft is in meshed transmission with the second gear shaft; and windscreen wiper assemblies are connected to the first gear shaft and the second gear shaft correspondingly. The windscreen wiper structure is used for wiping and cleaning an optical lens and a light supplementing lamp lens on a radar, and it can be ensured that clear shooting of the lens rotating to work can be achieved in various weather and environments; and the windscreen wiper structure is compact in structure, convenient to install, small in occupied space, independent in overall structure and capable of being independently installed, the working performance of other modules on the radar cannot be influenced, and the wiping range is larger.

The application provides a dielectric waveguide duplexer. The dielectric waveguide duplexer is composed of at least two dielectric resonators; the dielectric resonator is provided with a metallized blind hole and an air through hole; the metallized blind hole is opened On the top of the dielectric resonator, the surface of the metallized blind hole is coated with a metal layer; the bottom of the metallized blind hole is provided with an air through hole, and the air through hole penetrates the bottom of the dielectric resonator, and the air through hole can be filled with metal material ; A metallized through hole is provided on the common port between the two dielectric resonators, the surface of the metallized through hole is plated with a metal layer, and a joint is connected above the metallized through hole. This application solves the problem that the existing dielectric waveguide duplexer is irreversible in the way of delay adjustment through the short circuit of the metallized through hole. Once the plated metallized through hole is opened, the dielectric resonator on this side can no longer restore the original state. , leading to the technical problem that the performance of the duplexer in radio frequency signal transmission is affected.

Embodiments of the present invention relate to the technical field of data node analysis, and in particular, relate to a method, device and server for detecting abnormal behavior of distributed data nodes. In this method, when the first data node and the second data node perform data interaction and their node identifiers are the same, it is possible to determine the identity of the first data node from the interaction records between the first data node and the second data node. The first action instruction stream and the second action instruction stream of the second data node are analyzed using the same action analysis logic, and different behavior recognition logic is used to identify when the analyzed first instruction feature does not match the second instruction feature To obtain the first identification result and the second identification result, and then determine the data node with abnormal behavior based on the first identification result and the second identification result. In this way, under the premise of ensuring the working performance of the distributed data nodes, the detection of abnormal behavior is realized to determine the intruded distributed data nodes.

The invention relates to an electrically-driven centrifugal seed-metering device with every row capable of realizing independent starting and stopping as needed. The electrically-driven centrifugal seed-metering device comprises a driving motor, a base plate, a seed-metering disc, a cover shell and a seed box, wherein the upper part of the cover shell is provided with a seed inlet which is connected with the outlet of the seed box; the periphery of the cover shell is provided with a plurality of seed-metering openings; the exterior of each seed-metering opening is provided with a rapid joint;the position of each seed-metering opening is provided with a seed-metering switch capable of realizing independent starting and stopping as needed; seed-metering switches are used for opening and closing the seed-metering openings; the seed-metering disc is arranged on the base plate; the cover shell is covered at the outer side of the seed-metering disc; the driving motor is arranged below the base plate and used for driving the seed-metering disc to rotate around an axis; the position of the center of the seed-metering disc upwardly protrudes to form a cone shape; and the upper surface of the seed-metering disc is provided with a plurality of raised parting strips. The electrically-driven centrifugal seed-metering device provided by the invention has the advantages of compact structure,high seed-metering efficiency, low cost and small seed breakage rate, can realize independent and real-time opening and closing of each seed-metering opening as needed, and is applicable to places for wide-width and highly-efficient sowing and accurate sowing in field edge and boundary areas for spheroidal-seed crops.

The invention provides refrigeration and heat exchanging equipment, and further discloses an air conditioner. The refrigeration and heat exchanging equipment comprises a first heat transferring loop and a second heat transferring loop, a refrigerant flows in the first heat transferring loop, and moisture absorption solution flows in the second heat transferring loop; the refrigeration and heat exchanging equipment further at least comprises a first heat exchanging region, a second heat exchanging region and a third heat exchanging region; the refrigerant flowing in the first heat transferringloop and the moisture absorption solution flowing in the second heat transferring loop are subjected to heat exchanging in the first heat exchanging region, the refrigerant after being subjected to heat exchanging flows into the second heat exchanging region to be subjected to heat exchanging with an air medium, and the moisture absorption solution in the second heat transferring loop and the airmedium are subjected to heat exchanging in the third heat exchanging region. According to the refrigeration and heat exchanging equipment, it can be ensured that when the small air conditioner adopting a liquid dehumidification mode is used under a high temperature and high humidity state, air exhausting sensible heat of a compressor can be subjected to heat exchanging in the mode of air-liquid heat exchanging, so that the air conditioner realizes dehumidification-regeneration circulation on the premise that additionally-arranged heat sources are not added, and has the high heat exchanging efficiency.

The invention relates to an optical cable splitting box. The peripheral wall of a box body is hinged with one side of the outside wall of a box cover through a hinge; two press block gaps and sliding plate gaps which are opposite to each other are reserved on the box body; two optical cable pressing blocks of which the bottoms are provided with upper arc-shaped grooves are respectively plugged inthe press block gaps to form optical cable holes; threading sliding plates are plugged in the sliding plate gaps; a pressing plate and more than one fixing seat are plugged in vertical guide rails ofthe threading sliding plates in turn from the top to the bottom; an L-shaped bottom plate is arranged on a box bottom plate of the box body; a supporting seat and a welding disk are arranged on the bottom plate; the bottom plate is provided with more than two cable locking rings as well as optical cable fasteners and a grounding bolt; one side of an intermediate overturning plate is rotatably connected with the bottom plate through a pin shaft; a mounting bracket, a tail optical fiber parking seat and a cable locking ring are arranged on the upper part of the intermediate overturning plate; and an optical branching device box is plugged in the mounting bracket or / and an intermediate bearing support through longitudinal guide plates on the two sides. The optical cable splitting box has thecharacteristics that: the structure is reasonable, the internal wiring route is clear, the optical cable splitting box is convenient to operate, and the optical branching device is flexible to configure.

The invention relates to a tapered ned which comprises a tapered ned case and a plug. The plug is provided with a keyhole, at least two rows of pin tumblers which are arranged in the opposite way are arranged in the tapered ned case and the plug, the tail of the plug is connected with a driving piece. The keyhole is provided with a barrier structure which can prevent the unlocking tool from inserting and can prevent the torsion. As the key hole is provided with the barrier structure which can prevent the unlocking tool from inserting and can prevent the torsion, the thief cannot apply torsion to the plug through the keyhole; the groove for the pin tumbler in the plug does not form a step with the groove for the pin tumbler in the tapered ned, and thus the resistance to technical opening of the tapered net is considerably improved.

The invention discloses a laser driving open circuit detection method and a detection circuit, a driving circuit comprises a first triode and a second triode which can form a differential circuit, and the control ends of the first triode and the second triode are correspondingly connected with a first input end and a second input end respectively. One end of the first triode and one end of the second triode are connected to the first constant current source after being connected with a load ZL and a resistor Rterm respectively, the other end of the first triode and the other end of the second triode are connected to the second constant current source after being connected with a resistor R1 and a resistor R2 respectively, the output end of the second constant current source is grounded, and the laser is connected between one end of the second triode and the ground in parallel; the input voltage of the first input end and the input voltage of the second input end are equal and Itermgt; when Imod / 2, the connection between the laser and the driving circuit is normal; on the contrary, when Iterm is smaller than or equal to Imod / 2, the laser and the driving circuit are in an open-circuit state. The detection circuit has the advantages that normal work of the driving circuit is not affected, the judgment process is real-time and automatic, human intervention is not needed, and the detection circuit is simple in structure, easy to implement and low in power consumption.

The invention specifically discloses a large-scale wiper structure controlled by a single motor, including a motor, a mounting seat and a connecting rod. The mounting seat is provided with a driving gear shaft and a driven gear shaft. The other end of the rod is connected to the driven gear shaft, the motor is connected to the driving gear shaft, and the first pinion shaft and the second pinion shaft are also arranged on the mounting base, and the driving gear shaft and the driven gear shaft are arranged on the first pinion shaft and the second pinion shaft. Between the gear shafts, the driving gear shaft and the first gear shaft are engaged for transmission, and the driven gear shaft is engaged for transmission with the second gear shaft. Both the first gear shaft and the second gear shaft are connected with a wiper assembly. The wiper structure is used It is used to scrape and clean the optical lens and fill light lens on the radar to ensure that the lens can be rotated and shot clearly in various weathers and environments; the structure is compact, the installation is convenient, the space is small, the overall structure is independent, and it can be used independently The installation will not affect the working performance of other modules on the radar, and the scratching range is larger.

The invention relates to a method for adjusting wafer levels of an acoustic coupling resonance filter. The method comprises the following steps of: providing a substrate of which the partial inside or upper surface is provided with a sacrificial layer; forming a first resonator of a first stack area on the partial sacrificial layer of the substrate; forming a first resonator of a second stack area on the substrate; separating the first resonator of the first stack area from the first resonator of the second stack area; forming an air chamber below the second stack area; measuring the second stack area for the first time; adjusting top electrodes of the first resonator of the first stack area according to the first-time measurement; forming a decoupling layer on the first resonator of the first stack area and the first resonator of the second stack area respectively; forming a second resonator on the decoupling layers of the first stack area and the second stack area respectively; measuring the first stack area or the second stack area for the second time; and adjusting top electrodes of the second resonator of the first stack area according to the result of the second-time measurement so as to realize ideal device performance. By the method, process cross or pollution caused by a release process of the first resonators is reduced to the greatest extent.

The invention discloses optical repeater and method for processing message in PPP protocol. The optical repeater optical reception module, optical gain module and optical transmission module connected in sequence. The optical reception module is also connected to a parsing overhead module in use for obtaining and parsing PPP message. The parsing overhead module is connected to a debugging and outputting module in use for outputting result information of parsing PPP message. The method includes steps: picking up data carried by data communication channel; packaging data into PPP message; parsing PPP message so as to obtain information of parsed result; outputting information of parsed result. The invention also discloses another optical repeater as well as system and method for processing message in PPP protocol. Features are: processing more PPP message without influencing working performance of optical repeater, option for parsing PPP message locally or remotely.

The invention provides a capacitive charging current control circuit. The circuit comprises a circuit switch, a filter capacitor and a control circuit. One end of the circuit switch is connected with the ground, a positive plate of the filter capacitor is connected with a power supply, and a negative plate of the filter capacitor is connected with the other end of the circuit switch. The control circuit is connected with a control end of the circuit switch and sends control signals to control on resistance of the circuit switch. The circuit switch controlled by gate voltage is added between the filter capacitor and ground connection, thereby achieving the aim of controlling charging current of the filter capacitor, adding no more power consumption after a chip is started normally, and being not capable of influencing working performance of the filter capacitor.

The invention discloses a laser driving open circuit detection circuit which comprises a laser driving circuit, a laser device LD, a resistor RT, a resistor Rs, a third constant current source IT and a comparer COMPARATOR, the resistor RT and the third constant current source IT are connected in series, the two ends of the resistor RT and the third constant current source IT are connected between the positive end of a resistor Rterm and the ground, one end of the resistor RT is connected with the positive end of the resistor Rterm, and the other end of the resistor Rs is connected with the positive end of the resistor Rterm. One end of the resistor RT is connected with the negative end of the resistor Rterm, the other end of the resistor RT is connected with the third constant current source IT and one input end of the comparator COMPARATOR, one end of the resistor Rs is connected with the negative end of the resistor Rterm, the other end of the resistor Rs is connected with the other input end of the comparator COMPARATOR, the voltage of the other end of the resistor RT is the voltage Vref1, the voltage of the other end of the resistor Rs is the voltage Vout1, and by comparing the voltage Vref1 with the voltage Vout1, the voltage of the other end of the resistor Rs is calculated. And judging whether the laser driving circuit is open-circuited with the laser LD or not. The device has the advantages that laser driving open circuit detection is realized easily, power failure or external detection tools are not needed, and normal work of the laser driving circuit and the laser is not affected.