30results about How to "Strong bondage" patented technology

The invention discloses a microwave sensor for measuring the dielectric constant and magnetic permeability of magnetic medium materials. From the top layer to the bottom layer, it includes a microstrip line structure, a dielectric layer, a metal sheet, and a grooved metal CSRR structure; the grooved metal CSRR structure is composed of inner and outer groove rings, each of which has an opening, and the openings are in the same direction; the inner and outer grooves The two right angles opposite to the opening of the ring are aligned and folded inward. The opening of the outer groove ring extends to the inside and outside of the ring to form a groove. The part between the opening grooves of the outer groove ring is the area with the highest magnetic field intensity. It is used to measure the magnetic permeability of the sample; the part between the two inwardly folded grooves connected at right angles to the inner and outer groove rings is the area with the highest electric field strength, where the sample to be tested is placed to measure the dielectric constant of the sample; it can be used in different areas of the same sensor Simultaneously measure the permittivity and permeability, with extremely high sensitivity and Q value, to ensure the accuracy of the measurement.

The invention relates to the field of bioelectric signal acquisition, in particular to a portable bioelectric signal acquisition system which can work underwater and has waterproof performance. The system mainly comprises four parts including hardware, software, a fixing device and a background system; the hardware comprises a signal acquisition module, an independent storage module, a power management module, a wireless communication module and the like; the hardware part is subjected to watertight treatment and is installed in a waterproof, corrosion-resistant, pressure-resistant and high-temperature-resistant equipment cabin; the equipment cabin is arranged on the fixing device, and the fixing device is fixed to an organism through vacuum adsorption or corset wearing. The software comprises a collection system, background system signal processing software, mobile phone APP control software, independent data storage control software and the like. The movement state and environmentalinformation of the organisms are collected while biological electric signals such as multi-channel myoelectric signals and brain electrical signals are collected through the collection system; all thesignals and power sources are wirelessly transmitted, and by controlling the sampling speed through instructions and using independent storage, the power consumption can be reduced, and large-capacity storage can be realized.

The invention discloses an eggplant greenhouse environment intelligent detection system based on wavelet neural network, which is characterized in that: the detection system is composed of two parts: an eggplant greenhouse environment parameter collection platform based on a wireless sensor network and an eggplant greenhouse output intelligent early warning system; The present invention effectively solves the problem that the output of the existing eggplant greenhouse is not affected by the non-linearity, large lag, large area of ​​the eggplant greenhouse, and complex temperature changes of the eggplant greenhouse. The precise detection and adjustment of temperature will greatly affect the environmental yield prediction and production management of eggplant greenhouses.

The invention discloses a gas concentration intelligent detection system, which is characterized in that: the system is composed of a gas environment parameter collection platform based on a wireless sensor network and a gas multi-level early warning module, and the gas environment parameter collection based on a wireless sensor network The platform realizes the detection of gas environment parameters, gas concentration adjustment and early warning. The gas multi-level early warning module is composed of a gas interval number neural network model, an interval number prediction model and an interval number GRNN neural network gas grade classifier; the invention effectively solves the problem of existing The gas concentration detection system does not detect the gas concentration according to the characteristics of non-linearity of gas changes, large hysteresis, and large working area and complex gas concentration changes, which greatly affects the accuracy of gas concentration detection.

A method for depositing functional groups on a surface of an object, and to the object treated as such, by generating and maintaining a plasma, bringing the object surface close to or in a space between the plasma electrodes, an atmosphere being present between the two electrodes, and depositing a plurality of functional groups on at least part of the surface of the object, wherein the atmosphere between the two electrodes comprises a multi-functional hyperbranched compound which is a polymer based on ABm type monomers, or a derivative of such polymer, wherein m is at least 2, A and B have reactive functional groups selected such that group A is reacted at least m times with group B, and the hyperbranched compound has a degree of branching (DB) in the range of 10.0-99.9%.

The invention relates to an ultra-cool molecule preparation and measurement technique, and particularly relates to a method and a device for directly producing and measuring an ultra-cool ground state double-atom cesium molecule, solving the problems that the existing ultra-cool ground state double-atom cesium molecule preparation and measurement technique is high in the temperature requirement of the ultra-cool cesium molecule, the formed ultra-cool ground state double-atom cesium molecule is easily decomposed to two atoms, the yield of the ultra-cool ground state double-atom cesium molecule is low, the formed ultra-cool ground state double-atom cesium molecule is damaged during the measurement and the technological difficulty is large. The method for directly producing and measuring the ultra-cool ground state double-atom cesium molecule comprises the following steps: a. cooling cesium atoms to form ultra-cool cesium atoms; b. forming a long-range excited state double-atom cesium molecule from the ultra-cool cesium atoms under the action of photo-association lasers; c. tunneling the long-range excited state double-atom cesium molecule to form a short-range excited state double-atom cesium molecule; and d. collecting fluorescence with a lens. The method and the device provided by the invention are used for preparing and measuring the ultra-cool ground state molecules.

The invention relates to the technical field of measurement, and discloses a displacement detection system for measurement, which includes a base platform, one side of the upper surface of which is provided with a reference object mounting assembly, and the other side is provided with a sensor mounting mechanism, and the sensor mounting mechanism It includes a first longitudinal sliding assembly and a lateral sliding assembly arranged on the first longitudinal sliding assembly, the sensor mounting plate is arranged on the lateral sliding assembly, and the first longitudinal sliding assembly and the lateral sliding assembly are respectively provided with The first driving mechanism and the second driving mechanism, the first and second driving mechanisms drive the first longitudinal sliding assembly and the lateral sliding assembly to realize the longitudinal and lateral movement of the measuring sensor. Compared with the prior art, the present invention effectively solves the problem of jitter and inaccurate measurement in the measurement process of the existing measuring sensor, overcomes the defect of inaccurate displacement adjustment, and improves the rapid response, control accuracy and robustness of the displacement Sex, so that the measurement sensor quickly reaches the system set value.

The invention discloses a spiral line resonator capable of generating a local orbital angular momentum. The spiral line resonator comprises a first resonance pattern layer, a second resonance patternlayer and a dielectric substrate layer located between the first resonance pattern layer and the second resonance pattern layer. The first resonance pattern layer comprises an outer side metal circleand a first metal spiral line structure; the first metal spiral line structure comprises a plurality of uniformly distributed metal spiral lines, one end of each metal spiral line is connected with the outer side metal ring, and the other end is concyclic; the second resonance pattern layer comprises an inner side circle and a second complementary spiral line structure which are complementary on large-area metal ground; the second complementary spiral line structure comprises a plurality of complementary spiral lines which are uniformly distributed, one end of each complementary spiral line isconnected with the inner side circle, and the other end is concyclic; and projections of the first metal spiral line structure and the second complementary spiral line structure along a normal direction of the surface of the resonator do not superpose or incompletely superpose. According to the resonator, chirality asymmetry of the structure is enhanced through rotation of the upper and lower layers of spiral lines, and a local orbital angular momentum resonator is realized at a sub-wavelength scale.