30results about How to "Strong bondage" patented technology

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 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 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.