71results about How to "Reduce cross-interference" patented technology

The invention discloses a method for highly sensitive quantitative detection of quantum dot fluorescence immunochromatographic assay. The method includes: building a fluorescence immunochromatographic assay test strip on the basis of optimizing the structure of the test strip and components by the aid of excellent fluorescent characteristics of quantum dots and by means of combining quantum dot fluorescence labeling technology and immunochromatographic assay; detecting fluorescence signal strength of a quantitative belt and a quality control belt by the aid of a fluorescence quantometer and correcting the fluorescence strength of the quantitative belt by the aid of the quality control belt after immunochromatographic assay of the test strip; and further quantitatively detecting analyte according to a standard curve obtained by the fluorescence quantometer. The method is simple, rapid, accurate, low in cost and quite high in sensitivity. Compared with a conventional colloidal gold immunochromatographic assay method, the method has the advantages of fine labeling stability, low non-specificity, high sensitivity, wide linear range and accuracy in quantization. The method is applicable to samples such as blood samples, urine samples, spittle, excrement and the like, and can be applied to detection of critical illness, poison, food safety and the like.

The invention discloses a resonance-force balance capacitance type three-axis acceleration transducer and a manufacture method thereof, belonging to the field of microelectro mechanical systems. The resonance-force balance capacitance type three-axis acceleration transducer is structurally characterized by comprising an intermediate silicon sheet (1), an upper cover plate (2) and a lower bottom plate (3), wherein the intermediate silicon sheet (1) comprises a dual-end clamped beam resonators (4), a mass block (6), a support beam (5), a movable electrode (7) and a frame (8). The resonance-force balance capacitance type three-axis acceleration transducer is characterized in that an X axis and a Y axis acceleration signals in a chip plane are detected by adopting the dual-end clamped beam resonator (4) on the aspect of detection principle, the change of the resonance frequency of the dual-end clamped beam resonator (4) reflects the size and the direction of acceleration; and a Z axis acceleration signal in a vertical chip plane is detected by adopting a capacitance type sensitivity principle, and works in a closed loop force balance working mode. The mass block (6) has little motion displacement in the normal of a chip, and the Z axis input acceleration signal has little chiasma interference caused by detection of X axis and Y axis accelerations.

The invention discloses a partial discharge comprehensive itinerant detector for high voltage electric power equipment. The partial discharge comprehensive itinerant detector for the high voltage electric power equipment is characterized by comprising a host and a sensor group connected with the host, wherein the sensor group comprises a transient state ground potential sensor, an ultrahigh frequency electromagnetic wave sensor, a non-contacting ultrasonic sensor and a contacting ultrasonic sensor; the transient state ground potential sensor is used for detecting a current pulse signal on the shell of the electric power equipment; the ultrahigh frequency electromagnetic wave sensor is used for detecting an electromagnetic wave signal transmitted from the inside of the electric power equipment; the non-contacting ultrasonic sensor is used for detecting an ultrasonic wave signal transmitted from the inside of the electric power equipment; the contacting ultrasonic sensor is used for detecting shell vibration caused by the ultrasonic wave signal transmitted from the inside of the electric power equipment; and the transient state ground potential sensor, the ultrahigh frequency electromagnetic wave sensor, the non-contacting ultrasonic sensor and the contacting ultrasonic sensor are all connected with the host. According to the partial discharge comprehensive itinerant detector, a transformer, a composite apparatus (gas insulated switchgear) and a switch cabinet can be conveniently subjected to partial discharge electrification detection, and the partial discharge comprehensive itinerant detector for the high voltage electric power equipment has the outstanding advantages of convenience in carrying the instrument, as well as quickness and intellectualization in detection.

The invention relates to the field of special-shaped steel pipe post processing and concrete construction of the special-shaped steel pipe post, in particular to a subway station Y-shaped cast steel combining steel pipe post processing and construction method, which solves the problems that when the existing steel structure post is applied in underground engineering, the processing process, the welding quality and the hanging conveying installation are very difficult, concrete in the pipe post is not compact, deformation easily occurs, and the like. The method comprises the following steps of design and processing of Y-shaped cast steel combining steel pipe post, splicing welding construction of upper part cast steel sections and lower part steel pipe sections in construction sites, installation and construction of embedded parts, integral hanging conveying installation, butt joint in the air, welding in the air, and concrete casting in the steel pipe post by adopting a concrete jacking device and a pumping jacking method. The processes of segmented processing casting in factories, in-site splicing welding, two-segment integral hanging conveying installation and one-step welding completion in the air is adopted, the construction safety and the structure welding quality are ensured, the construction efficiency is improved, the construction progress is accelerated, and the design, processing and installation blanks of the large-scale steel structure of the underground engineering are filled.

Ejection device for fluid, comprising a solid body including: first semiconductor body including a chamber for containing the fluid, an ejection nozzle in fluid connection with the chamber, and an actuator operatively connected to the chamber to generate, in use, one or more pressure waves in the fluid such as to cause ejection of the fluid from the ejection nozzle; and a second semiconductor body including a channel for feeding the fluid to the chamber, coupled to the first semiconductor body, in such a way that the channel is in fluid connection with the chamber. The second semiconductor body integrates a damping cavity over which extends a damping membrane, the damping cavity and the damping membrane extending laterally to the channel for feeding the fluid.

The invention relates to a laser frequency stabilizing method and a device, especially is a dual-frequency modification ring cavity enhancing and modifying laser frequency stabilizing method and device, which belongs to accurate laser spectrum technology, accurate laser frequency stabilizing technology and accurate gauge standard technology field. The invention divides the laser beam into two orthogonal beams along the polarization direction through the polarization beam divider, one beam is used for the lock between the ring optical resonance cavity and the laser frequency, another beam is used to realize high accuracy lock between the laser frequency and the spectrum. The character of the laser frequency stabilizing device lies in: two radio frequency signals drive an electric-optic modifier to carry on dual-frequency modification to the laser beam, forms two independent servo control system, in order to realize the lock accuracy of the laser frequency.

The invention discloses a household LIFI photon communication energy-saving system, which comprises a bridge circuit for connecting a computer USB interface and an optical transmitter-receiver circuit and receiving or emitting signals obtained after conversion processing of computer USB data signals, a central processor, a field-programmable gate array circuit and a power circuit. The power circuit is connected with the central processor and the field-programmable gate array circuit; and the power circuit is internally provided with a solar cell panel, a voltage stabilizing circuit, a power supply controller and a DC power supply circuit. The system realizes a point-to-point communication mode; transmitting and receiving adopt relatively-small reception and emission angles respectively; only manual coarse alignment is needed when the system is used; and the system is used for indoor short-distance wireless communication, can reach data communication rate of 10 Mbps and above and transmission distance of about 5 m, and basically meets data communication requirements of indoor environments of an office, a laboratory and home and the like.

The present application discloses an apparatus and a method for clustering small cells in TDD networks and a base station including the apparatus. The apparatus includes: an information acquiring unit, configured to acquire a transmitting feature among the small cells in the TDD networks and uplink traffic and/or downlink traffic of each small cell; and a clustering unit, configured to clustering the small cells based on the transmitting feature among the small cells and the uplink traffic and/or downlink traffic of each small cell acquired by the information acquiring unit, to obtain at least one small cell cluster.

The invention relates to an interference eliminating method and system for a TD-LTE network. The interference eliminating method for the TD-LTE network comprises the steps that a certain uplink subframe in a flexible subframe set is selected for configuration according to the current uplink and downlink time slot configuration, an adjacent cell which disturbs the network most seriously is selected according to reference signal receiving powers, from adjacent cells, measured by eNB, UE is configured for conducting RRM measurement on the selected adjacent cell, and the UE with the highest SRP is selected; if the current subframe of the eNB is a downlink subframe in the flexible subframe set, whether the selected adjacent cell is an uplink subframe or a downlink subframe at the moment is judged, and if the selected adjacent cell is a downlink subframe at the moment, transmitting power of the current downlink subframe is lowered through the eNB according to a preset criterion. According to the interference eliminating method and system for the TD-LTE network, the cross interference eliminating effect is good, and the method and system are easy to obtain.

The invention discloses a short-range wireless communication CCD energy saving control device, comprising: a bridge circuit used for connecting a computer USB interface and an optical transceiver circuit, and receiving or transmitting a signal converted from a computer USB data signal; a central processor, a field-programmable gate array circuit, a power circuit and an optical key circuit, wherein the power circuit is separately connected with the central processor and the field-programmable gate array circuit; and a solar cell panel, a voltage stabilizing circuit, a power supply controller and a DC power supply circuit are provided in the power circuit. The system realizes the point-to-point communication mode, and adopts relatively small receiving and transmitting angles during reception and transmission. Only manual coarse alignment is needed when the system is used, the system can be applied to indoor short-range wireless communication and can reach a data communication rate higher than 10Mbps, the transmission distance is about 5 meters, and thus the data communication requirements of offices, laboratories, homes and other indoor environments are basically satisfied.

The invention relates to a device and method for detecting nitrogen trifluoride. The device for detecting nitrogen trifluoride comprises a high-temperature cracking furnace, a conversion pipe, a nitrogen dioxide sensor air chamber and an air extracting pump, wherein the high-temperature cracking furnace, a selective filter, the conversion pipe, a nitrogen dioxide sensor and the air extracting pump are sequentially connected through a pipe; a conversion agent is contained in the conversion pipe; and the nitrogen dioxide sensor is arranged in the nitrogen dioxide sensor air chamber. The method for detecting nitrogen trifluoride comprises the steps of (1) introducing air mixed with nitrogen trifluoride into the high-temperature cracking furnace, implementing cracking reaction, and cooling generated gas in a pipeline; (2) converting nitric oxide into nitrogen dioxide through the conversion agent in the conversion pipe; (3) detecting by the nitrogen dioxide sensor and outputting an electric signal; and (4) calculating concentration of the nitrogen trifluoride according to the detected electric signal and air inflow of the high-temperature cracking furnace in the step (1). The device is little in interference gas, does not use catalysts and is low in cost.

The invention relates to a three-dimensional (3D) image display method which comprises the following steps of: extracting a field synchronous signal or a column synchronous signal in a 3D image signal, and producing a 3D glasses control signal; opening a left eyeglass or a right eyeglass of a pair of 3D glasses at a preset moment of the current field of a liquid crystal display screen, and closing the right eyeglass or the left eyeglass; at a preset moment of the subsequent field, closing the left eyeglass or the right eyeglass of a pair of 3D glasses, and opening the right eyeglass or the left eyeglass; within a time period of opening the left eyeglass, turning off the backlight of an image row of a right eye; within a time period of opening the right eyeglass, turning off the backlight of an image row of a left eye; and dynamically updating turn-on and turn-off of the backlight along with the images of the left eye or the images of the right eye. By the method, the problem of interference of the images of the left eye and the right eye in a 3D image display process can be solved; the display brightness and a display effect of a 3D image can be obviously improved; furthermore, the technical requirement on a liquid crystal display screen module is also reduced; and the cost of the whole machine is reduced.

The invention provides an indirectly-heated silicon-based film catalytic hydrogen sensor, which is obtained by an MEMS processing technology and comprises a silicon substrate. The upper surface of thesilicon substrate is provided with a heat insulation layer, and the lower surface of the silicon substrate is provided with one or a pair of heat insulation grooves extending to the heat insulation layer. A pair of heating coils made of high-resistance temperature coefficient materials is arranged on the surface of the heat insulation layer, catalytic film layers are arranged on the inner sides,the outer sides or the upper portions of the heating coils, a high-temperature-resistant medium layer covers one surface of each catalytic film layer, a gap is reserved in the other surface of each catalytic film layer, and precious metal film resistors are arranged on the outer ring of the heat insulation layer. The hydrogen sensor provided by the invention can work in a catalytic combustion modeand a thermal conductivity mode at the same time, and is small in size, low in power consumption, quick in response and long in service life.

The invention discloses an intelligent dust removal street lamp with a short-distance communication function. The intelligent dust removal street lamp comprises a bridge circuit, a central processing unit, a field programmable gate array circuit, a power circuit and an optical key module, wherein the bridge circuit is used for connecting a computer USB interface and an optical transceiver circuit, and receiving or emitting signals transformed from computer USB data signals; the power circuit is connected with each of the central processing unit and the field programmable gate array circuit; and a solar cell panel, a voltage stabilizing circuit, a power controller and a DC power supply circuit are arranged in the power circuit. Through covering a transparent protective cover outside a headlamp, the headlamp can be prevented from being damaged; and meanwhile, a mist spray structure is arranged below the headlamp, water in a water tank can be pumped to an atomization spray head through a mute pump, after the water is atomized and sprayed, the air humidity can be increased, the atomized water is utilized to adsorb the solid particulate matters in the air and then the solid particulate matters aggregate to settle, so that the content of the solid particular matters can be effectively decreased.

The present invention discloses a robustness combined optimization method for optical filter parameters during the multi-color visible light communication process. The method comprises the following steps of S1, measuring the spectral curve of each monochromatic light by utilizing a spectrometer, and fitting the spectral curve by utilizing a He model so as to obtain the fitting function of the spectrum; S2, determining a to-be-optimized optical filter parameter; S3, deriving a detected mean-square error by a receiver based on the LMMSE detection method; S4, calculating out the probability information of a user in room distribution position so as to obtain a probability density function for the light incident angle of a receiving end; S5, subjecting the detected mean-square error to the weighted treatment based on the probability density function for the light incident angle, so as to obtain a mean-square error at an average angle; S6, cooperatively solving an optimal value of each optical filter parameter based on the two-layer iteration algorithm. According to the technical scheme of the invention, the optimal value of the joint optimization for each color of an optical filter can be obtained, and the cross-interference between different colors is reduced. Meanwhile, when light rays are deflected at a certain angle, the receiver can still work normally.

The invention discloses a spectrum-mass spectrometry device and a detection method. The spectrum-mass spectrometry device comprises a spectrum analysis module and a mass spectrometry module which are communicated with each other, and the working negative pressure of the mass spectrometry module provides a vacuum environment for spectrum analysis of the spectrum analysis module; the multi-component mixed gas is subjected to spectral analysis through the spectral analysis module to obtain the absolute concentration of a part of components in a multi-component mixed gas sample, and then the multi-component mixed gas sample output from the spectral analysis module is subjected to mass spectrometry through the mass spectrometry module; and the relative concentration of the to-be-detected component in the mixed gas sample is obtained. The spectrum-mass spectrum combined device provided by the invention can realize rapid and convenient real-time online analysis of the concentration of all components of the mixed gas with relatively high precision (PPM-PPB level trace analysis) and high resolution (not interfered by background gas and impurities), and is convenient to use, free of consumables, free of maintenance and stable in long-term operation.