31results about How to "Interference will not be affected" patented technology

This invention discloses a method for TD-SCDMA compatible with OFDM technology, which carries out serial parallel conversion to the due-out high speed serial code sheet sequence and generates multiple parallel sub-sequences to be modulated to multiple sub-carriers for parallel transmission to reduce the transmit rate of each channel so as to increase the symbol period and weaken the influence of multi-channel interference, at the same time, it uses the circular prefix as the protection interval, the interference among symbols are reduced greatly and the orthogonality among channels are ensured.

The invention discloses a probe compound for identifying fluorine ions by combining spectral detection and bare eyes. The compound is a new compound formed by using excited state proton transfer compounds as a matrix and by silylation. The compound can be used for detecting fluorine ions, in particularly detecting fluorine ions in a water environment. Infiltrated test paper prepared by the compound is quick and convenient, the detection limit is low, and according to different excited wavelengths, two modes, namely an intensity identification mode and a chromaticity identification mode, can be selected respectively for better detection by an instrument and bare eyes.

The invention belongs to the technical field of chemical sensing, and particularly relates to a new fluorescence detection method of tetracycline based on a zirconium-based MOF(Metal-Organic framework). By using the zirconium-based metal-organic framework (Zr-MOF) with good water and heat stability and excellent luminescent performance as a detection platform, selective adsorption enrichment and fluorescent response of the Zr-MOF on the tetracycline in a water body are utilized, so that high-sensitivity and high-selectivity detection on the tetracycline can be realized. Meanwhile, the detection method has a low detection limit. Compared with other detection methods of the tetracycline, the detection method disclosed by the invention has the advantages of simple and quick operation, no need of expensive and complicated instruments and equipment, and the like; therefore, the practicability is high, and the application range is wide. The fluorescent response of the zirconium-based MOF on the tetracycline is based on electron transfer between the zirconium-based MOF and the tetracycline, and fluorescence quenching on the zirconium-based MOF is caused by photoinduced electron transfer between the zirconium-based MOF and the tetracycline.

The invention discloses an anti-motion-interference non-contact respiratory signal measurement method, which does not need to be in contact with a human body for measurement, is simple to implement and is not interfered by detection equipment, and the measurement precision is greatly improved. The method mainly comprises the following steps: 1, shooting N frames of thoracic cavity position images;2, processing a first frame of thoracic cavity position image; 3, processing the second to Nth frames of thoracic cavity position images; 4, obtaining a curve of each side length and each diagonal length changing with time through the obtained side lengths and diagonal lengths of the N polygons on the N frames of thoracic cavity position images; and 5, carrying out filtering processing on the curve of each side length and each diagonal length changing with time so as to obtain a respiration signal and a respiration rate.

The invention relates to a hydraulic proportional valve block with a pressure compensation function. The hydraulic proportional valve block comprises a valve body (1), a pressure compensation valve (2), a flow control valve (3), a proportional pressure reduction valve (4) and a fixed value pressure reduction valve (5). Multiple installing slots are formed in the valve body (1). The pressure compensation valve (2), the flow control valve (3), the proportional pressure reduction valve (4) and the fixed value pressure reduction valve (5) are installed in the corresponding installing slots in the valve body (1). The valve body (1) is further provided with an oil inlet (6), an oil outlet (7) and a low-pressure oil return opening (8). The hydraulic proportional valve block has the advantages of being compact in structure, simple in processing technology, low in processing cost and the like.

The invention discloses a spuious current interference danger eliminating method of DC power leakage, which comprises the following steps: setting inversed-balance circuit near the interference source; overlapping the inversed-balance circuit in the current leakage circuit to buck the spuious current; restoring the outer metal building to the natural electric potential before interfering. The inversed-balance circuit is composed of auxiliary cathodic bulk (4), auxiliary anodic bulk (5) and adjustable auxiliary DC power, wherein the auxiliary cathodic bulk (4) and auxiliary anodic bulk (5) are buried in one side of proximate interference source; the anode of auxiliary power connects the auxiliary anodic bulk and negative pole connects auxiliary cathodic bulk. The method can replace insulation buffer facility, which solves the current interference problem successfully.

The invention relates to a flow limiting method of a flow interface of a logistics service system and related equipment, and the flow limiting method of the flow interface of the logistics service system comprises the steps: detecting whether a to-be-called flow interface adds a customized annotation class or not when a logistics service request transmitted by a client is received; if the customized annotation class is added, obtaining the number of times of responding to the logistics service request in the current time period; judging whether the obtained frequency reaches the preset maximumfrequency of the current time period or not; if the preset maximum number of times is reached, refusing to respond to the currently sent logistics service request, and sending prompt information to the client; and if the preset maximum number of times is not reached, responding the currently sent logistics service request, and updating the number of times of the logistics service request responded in the current time period. Thus, the situation that the system operation speed is affected due to the fact that the system access amount is too large is avoided, the situation that logistics service requests are concurrent and a client waits for response requests for a long time is also avoided, and interference to existing logistics services is reduced.

The invention relates to a monitoring system of a distribution transformer. The monitoring system of the distribution transformer comprises an audible and visual alarming device, a monitoring sensor and a computer background management system; the audible and visual alarming device is fixed to a pole which is 3m above the ground; the monitoring sensor is adhered to a housing of the distribution transformer by an attaching manner through a magnet; after the monitoring sensor is removed from the housing of the distribution transformer, the audible and visual alarming device at the site is automatically started and sends alarming information to mobile phones of responsible persons in a form of a short message, and the responsible persons are sequentially called and reminded to check the short message through the mobile phones, and meanwhile, the information is transmitted to a background for backup, and people on dusty is reminded through the background by a sounding and screen flickering manner. According to the monitoring system of the distribution transform, diverse alarming manners are provided and can be selected flexibly; the monitoring system of the distribution transformer is novel in structure, safe and reliable, convenient to network, accurate to alarm, and free of alarm failure and false alarm.

The invention relates to the technical field of ball valves, in particular to an integrated ball valve integrating temperature, pressure and flow remote monitoring and controlling. The side wall, close to a valve seat fixing base, of a spring base is connected with a plurality of springs, spring mounting holes for connecting the other ends of the springs are formed in the side wall of the valve seat fixing base, a second sealing ring is connected to one side, away from the springs, of the spring base, the upper end of a valve body is connected with a connecting support communicating with the valve body through a mounting flange, a temperature sensor and a flow sensor are arranged in the connecting support, wherein the lower ends of the temperature sensor and the flow sensor extend into the valve body, and the upper end of the connecting support is provided with a digital display screen for receiving and transmitting signals of an electric actuator, a pressure sensor, the temperature sensor and the flow sensor. According to the ball valve, a valve and a single-function detection type valve are combined into a whole, and the integrated ball valve integrates remote switching, medium data monitoring and data feedback, so that the ball valve is convenient to use, and the manufacturing cost is saved.

The invention discloses a power division isolation filter circuit, which relates to the technical field of electronics. The power division isolation filter circuit comprises an oscillator, a general port CR matching unit, a first CLC filter unit, a second CLC filter unit, a first CR matching unit and a second CR matching unit; the oscillator is connected with the general port CR matching unit, thegeneral port CR matching unit is connected with an input end of the first CLC filter unit and the input end of the second CLC matching unit, the output end of the first CR matching unit is connectedwith a first output end of the circuit, the output end of the second CR matching unit is connected with a second output end of the circuit. The power division isolation filter circuit provided by theinvention has the advantages of realizing isolation and filtering of output shunt signals of the oscillator, enhancing interference resistance and reducing system noise.

The invention provides an aircraft communication system, an aircraft communication method and an aircraft communication device, the system comprises a plurality of lighting devices and a mobile terminal, the lighting ranges of the plurality of lighting devices cover a plurality of seats in an aircraft, and each lighting device comprises a first LiFi communication module; and the mobile terminal communicates with the first LiFi communication module in one lighting device through the second LiFi communication module. According to the invention, wireless internet surfing on the airplane is realized, the convenience of wireless internet surfing on the airplane and interaction between passengers is improved, and the defect that passengers cannot surf the internet and interact on the airplane inthe prior art is overcome.

The invention discloses a cable television cable connector and a cable television cable using the same. According to the invention, a connector body is arranged outside the wiring position of a first cable body and a second cable body, a threading groove is formed in the connector body, mounting through holes are formed in the outer wall of the connector body, and a fixed extrusion rod is inserted into the upper mounting through hole. A damping buffer rod is inserted into the lower mounting through hole, an extrusion disc is bonded to the end, located in the connector body, of the fixed extrusion rod, and a buffer fixing block is bonded to the end, located in the connector body, of the damping buffer rod. The extrusion disc and the buffer fixing block are cooperatively used, so the damping buffer rod can buffer the impact amplitude when the outside of the wiring position of the first cable body and the second cable body is impacted, thereby preventing the inside from being damaged due to impact, and prolonging the service life of the first cable body.

The invention discloses a resource monitoring embedded system based on a single-chip microcomputer and a construction method thereof, and relates to an Internet of Things technology. The resource monitoring embedded system based on the single-chip microcomputer comprises a server and an embedded thin client capable of transplanting different application scenes, and the embedded thin client comprises a WiFi module, an infrared sensor single-chip microcomputer and output equipment. The construction method of the resource monitoring embedded system comprises the steps of 1, using of the WiFi module; 2, management of an infrared sensor; 3, using of the output equipment. The construction method is further applied to the construction of a library seat management system to manage library seats. According to the resource monitoring embedded system based on the single-chip microcomputer, through the Internet of Things technology, monitoring of various resources is achieved, accordingly scheduling of the resources is achieved, and thus the resources are utilized completely. By changing corresponding codes, the resource monitoring embedded system based on the single-chip microcomputer can be applied to other scenes, and the practicability is higher.

The invention relates to an adversarial sample image filtering method and device, electronic equipment and a medium, and the method comprises the steps: obtaining an original adversarial sample image which comprises interference information; performing feature extraction on the original adversarial sample image to obtain first feature information of at least two dimensions, and performing singular value decomposition on the first feature information of each dimension to obtain second feature information corresponding to the first feature information of the dimension; for the second feature information of each dimension, determining third feature information meeting a filtering condition in the second feature information according to the preset filtering condition corresponding to the dimension; and determining a target confrontation image according to the third feature information of each dimension. Through the method provided by the invention, interference information in the original adversarial sample image can be effectively filtered out.