37results about How to "Improve mutual interference" patented technology

A system and method are disclosed for the management of WLANs in cases where unmanaged access points are present as well as with the addition or removal of access points. The disclosed system and method use signal data and network traffic statistics collected by mobile units to determine optimal configuration settings for the access points. The access point settings so managed can include the operating channel or center frequency, orthogonal signal coding used (optionally including the data rate), if any, and the transmission power. The solutions computed can account for the inherent trade-offs between wireless network coverage area and mutual interference that may arises when two or more access points use the same or overlapping frequency bands or channels and the same or similar signal coding.

The invention discloses a design method of an electrostatic negative stiffness accelerometer. The method is characterized by comprising the steps that S1, an interface electromechanical model of the electrostatic negative stiffness accelerometer is established, and the interface electromechanical model is converted into a coordinate system equation; S2, by calculating electrostatic force of a combtooth capacitor, the position length and symmetric design of a driver and driven detection comb teeth are determined; S3, according to the electrostatic force feedback principle, planning design is performed on the size and spacing of embedded detection comb tooth electrodes; and S4, according to the principle of the acceleration and electrostatic negative stiffness effect in the accelerometer based on electrostatic negative stiffness regulation, a relational expression influencing acceleration finally is obtained. The design method of the high-performance FM accelerometer based on electrostatic negative stiffness regulation is good in use effect and has quite high application and popularization value.

The triaxial apparatus includes three portions: host; hydraulic power source connected to servo valve for loading electrohydraulic in three directions in host through pipe; automatic control system connected to the input signal measured by sensor as well as connected to electrical signal output from servo valve. The host includes pressure chamber, axle load mechanism, twist mechanism connected to the axle load mechanism in coaxial coupling, pressing-twisting mechanism between the pressure chamber and twist mechanism, balance-cylinder and side pressure mechanism. The balance-cylinder, side pressure mechanism and pressure chamber are connected through pipe so as to constitute self-balanced mechanism of hydraulic pressure. The invention overcomes interactional movement between axle load mechanism and twist mechanism of current triaxial apparatus of vibration and torison shear as well as overcomes disadvantages of side pressure mechanism. Features are: smooth waveform of load, and low cost.

The invention discloses a digital multiple-nucleic-acid detection method on the basis of encoding micro-sphere reactors. The digital multiple-nucleic-acid detection method includes steps of extractingsample nucleic acid; designing primers; labeling the primers; carrying out hybrid capture; generating micro-drop; carrying out amplification reaction; carrying out scanning detection and the like. The digital multiple-nucleic-acid detection method has the advantages that multiple-gene detection merits of hybridization technologies and high-sensitivity quantitative detection merits of digital PCR(polymerase chain reaction) are combined with one another, accordingly, gap in the technical field of multiple-gene quantitative detection can be filled, and the digital multiple-nucleic-acid detection method has profound influence.

The invention discloses an anti-mutual interference method of a multimode gateway, and belongs to the technical field of Internet information interaction. The anti-mutual interference method comprises the following steps: controlling the priority of multiple different types of communication modules and packet delivery rates corresponding to the priority with a master control module on the multimode gateway, so as to implement the anti-mutual interference communication among the communication modules. The communication modules comprise a wifi module, a Bluetooth module and a zigbee module. The priority of the communication modules is set and controlled through the master control module; the master control module dynamically regulates the packet delivery rate of the modules according to the priority of multiple modules and the communication requesting conditions of the communication modules, so that the probability of collisions between data packets of the modules is reduced, the mutual interference between the modules is improved, the stability of data transmission is enhanced, and the user experience is improved.

The invention discloses a detection kit of hepatitis B virus resistance to a drug and a hepatitis B virus genotype and a detection method using the same. The kit is used based on a gene chip and contains three groups of primers. In detection, the three groups of primers respectively carry out multiple asymmetric PCR amplification processes on a sample to be detected, the three PCR amplification products are mixed, the mixture and a hybridization buffer solution are mixed to form a hybridization solution, the hybridization solution and a probe of the gene chip are subjected to hybridization and a mutant type and a genotype of the sample to be detected are determined through a fluorescence signal of the PCR product. The detection result shows that the kit has good specificity and high sensitivity and can simultaneously detect seven mutant types and three genotypes of samples to be detected. The seven mutant types comprise a 180M type, a 181T type, a 181V type, a 204I type, a 204V type, a 236T type and a 1896A type and the three genotypes comprise a HBV/B type, a HBV/C type and a HBV/D type.

The invention relates to an engineering vehicle. The engineering vehicle comprises a frame, a first rotary platform (1) and a second rotary platform (6), wherein the first rotary platform (1) is rotatably arranged on the frame; a first working arm is mounted on the first rotary platform (1); the second rotary platform (6) is rotatably arranged on the first rotary platform (1); and a second workingarm is mounted on the second rotary platform (6). With the adoption of the technical scheme, the second rotary platform and the second working arm rotate along with the first rotary platform, so thatthe problem that two working arms in the prior art affect each other is solved.

The invention discloses a high-frequency and high-speed frequency testing system based on a phase locking technique, comprising a standard signal source, a power supply device, a PCB (printed circuit board), a plurality of testing units arranged on the PCB and a data storage and display device, wherein the standard signal source is electrically connected with each testing unit respectively; each testing unit comprises a data acquisition module, a phase locking module and a data distribution module; the data acquisition module is used for acquiring the signal frequency of a tested product correspondingly; the phase locking module is used for carrying out phase comparison on the acquired signal frequency of the tested product and the standard signal source so as to obtain a comparison result, driving the corresponding tested product according to the comparison result and leading the phase of the tested product to be consistently locked with the phase of the standard signal source; and the data distribution module is used for outputting a phase value of the locked tested product to the data storage and display device for storage and display. The invention also discloses a high-frequency and high-speed frequency testing method based on the phase locking technique.

The invention discLoses a device used for making a pond boat modeL go out of water, and beLongs to the technicaL fieLd of pond experiments. The device comprises a side frame, a Lifting device, a fixing device and a bottom frame, the side frame is Located on the pond waLL of a pond and provides support for the Lifting device, the fixing device and the bottom frame. The Lifting device is instaLLed on an aLuminium profiLe in the side frame and used for Lifting the bottom frame out of the water surface and Lowering the bottom frame beLow the water surface. The two sides of the side frame are separateLy connected with the fixing device and used for fixing the side frame to the pond waLL and the boat modeL. A fixed connecting pLate in the Lifting device is connected with the bottom frame and used for supporting the boat modeL. The device is mainLy used for making the boat modeL enter water or go out of water in a dragging water pond, an ice water pond and a pressure reducing pond, and has the advantages that the boat modeL can be heLped to quickLy enter and go out of water, the stabiLity is good, the safety is high, the operations are simpLe, the automation degree is high, manpower and materiaL resources are saved, the efficiency of making the boat modeL in the ponds enter and go out of water and the safety are effectiveLy improved, and the operation efficiency of a whoLe experimentis increased.

The invention provides a method and a device for sending data to multiple terminals. The method includes that a base station determines signal quality of each terminal in the multiple terminals and packages data to be sent to each terminal in the multiple terminals into a same burst for sending according to a sequence of the signal quality from low to high. The method and the device for sending the data to the multiple terminals solve the problem of high probability of packet loss on terminal sides caused by current data packaging and sending processes, improve probability that the terminals with poor channel quality can receive own data, improve the situation of data packet loss of users caused by the fact that data sent to the other terminal are incorrect and solve the problem of mutual interference among downlink users.

The invention provides an antenna structure with improved isolation, and a mobile terminal. The antenna structure with improved isolation comprises a first antenna structure and a second antenna structure which are arranged at an interval, the communication frequency bands of the first antenna structure are a first frequency band and a second frequency band, and the communication frequency bands of the second antenna structure are a first frequency band and a third frequency band. And a metal isolation strip is arranged between the first antenna structure and the second antenna structure and is grounded. According to the antenna structure with improved isolation, and the mobile terminal provided by the invention, the metal isolation strip is arranged between the first antenna structure and the second antenna structure, so that the isolation between the first antenna structure and the second antenna structure is increased.

The invention provides a multi-track stereo earphone structure. The earphone body comprises the following components: a built-in horn and a resonant cavity which is connected to the horn; at least one bass hole, which is arranged in the middle position of the lower circumference of the resonant cavity; at least one treble hole, which is arranged in the middle position of the upper circumference of the resonant cavity; multiple midrange holes, which surround a sound hole plate in front of the horn, wherein the middle of the sound hole plate is a solid sheet which is facing a vibrating diaphragm center of the horn, aperatures of the multiple midrange holes are reduced from bottom to up layer by layer gradually, and the midrange holes surround the periphery of the solid sheet; so that the earphone body is desinged with a specially effective opening design, and output effects of the multi-rack stereoscopic surround sound as an advanced sound combination are realized.

The invention discloses a droplet for multiple polymerase chain reaction (PCR) detection. The droplet comprises general content, a surface and a characteristic substance, wherein the general content is distributed inside the droplet and provides reaction conditions for the PCR; the exterior of the droplet is coated with the surface to form a stable droplet interface; the characteristic substance is positioned inside the droplet and is a solid material compatible with a biological reaction, a template molecular chain is immobilized on the surface of the solid material, and the template molecular chain can be used for realizing qualitative detection or quantitative determination of nucleic acid molecules by virtue of PCR amplified signals. According to the scheme, each droplet is similar toa tube of monoplex-PCR, the amplified reaction of each droplet is relatively independent, the problem that mutual interference exists because the traditional multiple PCR system is large can be effectively improved, and the droplet for multiple PCR detection is a very effective nucleic acid amplification method.

The invention discloses a display panel and a display device, the display panel comprises a first substrate, a second substrate, a source chip on film, a gate chip on film, a printed circuit board, wires and a conductive structure, and the second substrate is arranged opposite to the first substrate; wherein the wires comprise a first wire and a second wire, and the first wire and the second wire are used for communicating the printed circuit board with the gate chip on film; the first wire is arranged on the first substrate; the second wire is arranged on the first substrate and the second substrate; the conductive structure is used for conducting the part, located on the first substrate, of the second wire and the part, located on the second substrate, of the second wire; and the wiring capacitance coupling phenomenon is solved, so that the display effect is improved.