62results about How to "Interfering" patented technology

The invention prepares composite water evaporation inhibitor through adopting the built technology. The technical characteristics are that long-chain fatty alcohol and short-chain alcohol are remixed into molecular film base material, stable solution is prepared through dissolving appropriate spreading solvent which is chosen in ambient temperature, thereby obtaining the water evaporation inhibitor. The water evaporation inhibitor which is obtained through the process can automatically spread out on the water level to form an insoluble molecular film, which has favorable temperature interference resistance ability, matter interference resistance and self-restoring ability, and the efficiency of inhibiting water evaporation is reduced as time prolongs, thereby having excellent stability. The preparation process of the invention is simple, and can be prepared in-situ. The water evaporation inhibitor which is prepared has extensive application prospect in water resource protection field, has great significance for solving the problem of water scarcity in arid area and reducing water resource loss, and can bring out enormous economic benefits and social benefits.

The invention discloses a wireless connection method and a system thereof. The method comprises the following steps of stepS100, scanning and acquiring an unencrypted wireless network of a visible SSID; stepS300, according to the visible SSID, acquiring a hidden SSID of an encrypted wireless network; stepS400, through the hidden SSID, sending connection request information to a wireless router corresponding to the encrypted wireless network; and stepS500, when request passing information fed back by the wireless router is received, successfully accessing the encrypted wireless network. By using the wireless connection method and the system thereof, different services can be provided for a common user and a VIP user so that the VIP user acquires a better wireless network service, and a usage experience and satisfaction of the VIP user are greatly increased.

The invention relates to an electrochemical reduction-oxidation graphene modified electrode and application thereof in detection of heavy metal sexivalent chromium ions in water thereof. The modifiedelectrode is prepared by directly depositing electrochemical reduction-oxidation graphene on the surface of a working electrode. The sexivalent chromium ions are detected by using chronoamperometry, linear sweep voltammetry or cyclic voltammetry, the graphene modified electrode serves as a working electrode, an Ag / AgCl electrode serves as a reference electrode, a platinum electrode serves as the counter electrode, and experimental parameter setting is detected. The graphene modified gold electrode serves as the working electrode, the electrode preparation process is simple and convenient, andthe prepared electrode has high electrochemical activity, is capable of realizing rapid detection Cr (VI), wide in detection range (5-2000ug / L) and low in lower limit of detection (0.5 ug / L), has theadvantages of resistance to interference of other metal ions, stability, short detection cycle and the like, and is expected to be applied to actual portable detection application in future.

The invention provides a non-contact type device and method for measuring the breaking characteristics of a breaker. The device comprises a laser displacement sensor, a data acquisition unit and a data processing unit, wherein the laser displacement sensor, the data acquisition unit and the data processing unit are connected in sequence. The laser displacement sensor is used for obtaining dynamic linear displacement of a contact during breaking of the breaker, obtaining actually generated mechanical motion signals of the contact through certain trigonometric function conversion, and converting the mechanical motion signals into analog electric signals, wherein the mechanical motion signals are optical signals. The data processing unit is used for analyzing and processing digital signals, obtaining the angular displacement, the angular speed, the break time and other variables of the contact during the breaking according to a preset measurement algorithm, and drawing the correlative curve between the angular displacement and the time and the correlative curve between the angular speed and the time respectively. The non-contact type device for measuring the breaking characteristics of the breaker is convenient to mount, measuring errors caused in the installation process can be avoided, the angular displacement, the angular speed and other variables of a movable contact during breaking are directly measured in a non-contact mode, and therefore the breaking characteristics of the breaker can be grasped as a whole.

The invention discloses an intelligent fixed-frequency interferometer which comprises a receiving antenna, a preamplifier, a high-frequency tuner, a frequency synthesizer, a low frequency power amplification launcher, an intermediate frequency power amplification launcher, a high frequency power amplification launcher, a singlechip and a transmitting antenna. According to the invention, the interferometer can be firstly turned into a first working mode, the singlechip is used for closing all the power amplification launchers, open the preamplifier to amplify radio signals received by the receiving antenna and control the high-frequency tuner to receive signals output by the preamplifier frequency point by frequency point as well as output the signals to the singlechip for sampling and storage; then, the interferometer can be turned into a second working mode, the frequency points of all signals are recorded according to the first working mode and then compared with the signals stored in the first working mode so as to find newly-generated radio signals, the corresponding frequency synthesizer is opened to generate interference signals, and finally a power amplifier can launch the interference signals to cover the newly-generated radio signals, thus the interference effect can be realized. The interferometer provided by the invention has the characteristics of strong position relevant to intelligence and energy conservation.

The invention discloses a color contact lens with colloid crystal aquogel serving as a pigment. The color contact lens disclosed by the invention is characterized by comprising a contact lens body (12), wherein the colloid crystal aquogel (11) serving as a pigment component of color elements is mixed in the contact lens body (12); and the colloid crystal aquogel and the aquogel of the contact lens body (12) form interpenetrating grids. The contact lens disclosed by the invention is bright in color, is elegant in appearance and has the advantages of good biocompatibility and good practicality.

The invention discloses an ultrahigh-frequency radio frequency recognition electronic tag of an intelligent traffic system. The ultrahigh-frequency radio frequency recognition electronic tag comprises a substrate, a tag antenna and an ultrahigh-frequency radio frequency recognition chip, the substrate comprises a first surface and a second surface corresponding to the first surface, a tag antenna structure is arranged on the substrate and comprises multiple sub structure sections, and the ultrahigh-frequency radio frequency recognition chip is arranged on a feeding port of the tag antenna structure. The ultrahigh-frequency radio frequency recognition electronic tag has characteristics of resisting metal interference and linear polarization, and has a characteristic of remote reading, and electronic tags meeting 902-928MHz frequency range optimal impedance matching can be formed.

The present invention discloses a high-isolation coaxial radial multipath power divider suitable for a millimeter wave frequency. The power divider comprises a coaxial line input port, three circulartruncated cone matching structures, a plurality of rectangular waveguide output ports (n>=2), isolation ports and isolation port matching structures. TEM waves in a coaxial line are combined to TE10 modes in rectangular waveguides through the circular truncated cone matching structures, mode conversion and energy distribution of the TEM waves in the coaxial line to the TE10 modes of the n rectangular waveguides is achieved through guidance of the isolation ports, and signals of each output port are equal in amplitude and in phase. Isolation ports are added to have a high isolation between theoutput ports, compared to structures such as a circular waveguide, the high-isolation coaxial radial power divider employs a coaxial line and employs main mode transmission of the coaxial line, the mode is pure to avoid interference of a higher mode, and the structure is especially suitable for a power distribution / synthesis circuit with a millimeter wave frequency and can be extended to a higherfrequency.

The invention relates to a process for treating water with high content of iron and manganese, which is characterized by adopting the aeration and natural oxidation method and a hydrocyclone device to remove iron and manganese. When the content of the iron in the ground water is more than 15mg / L, the process for treating water with high content of iron and manganese comprises the following concrete steps: making the ground water enter a primary oxygenated water tank to be aerated and oxidized, making the aerated and oxidized ground water enter a static tube mixer, adding flocculant to the static tube mixer by using a first drug adding device, making the water mixed with the flocculant enter a mechanical flocculation tank, adding lime solution to the mechanical flocculation tank from a first inlet of the mechanical flocculation tank by using a second drug adding device, making the water treated by the mechanical flocculation tank enter an iron removing filter, making the water flowing out of the iron removing filter enter a secondary oxygenated water tank, making the water flowing out of the secondary oxygenated water tank enter a manganese removing filter to move the residual iron and exceeding manganese, making the water flowing out of the manganese removing filter flow into a clear water pool, and lifting the water into a water pipe network by using a pump. Each liter of the water treated by adopting the process contains the iron of 0.3 mg or less and the manganese of 0.1 mg or less, and the quality of the water meets the quality of inlet water of a chemical water treatment system in the power plant.

The invention belongs to the technical field of trace gas detection, and provides a scattering enhanced gas sensing probe comprising a metal shell, a non-resonant photo-acoustic cavity, a porous scattering medium, a fiber F-P sonic sensor sensitive film, a gold-plated reflector, a photo-acoustic excitation light source incident fiber, a fiber collimator, a fiber F-P sonic sensor detection light source incident fiber, a F-P cavity, an air inlet and an air outlet, wherein the metal shell is detachably connected with one end of the non-resonant photo-acoustic cavity, and the gold-plated reflectoris fixed at the other end of the non-resonant photo-acoustic cavity; the porous scattering medium is filled into the non-resonant photo-acoustic cavity; a groove is formed in one surface of the metalshell and sealed by the fiber F-P sonic sensor sensitive film, and thus the F-P cavity is formed; the metal shell is provided with the fiber F-P sonic sensor detection light source incident fiber andthe photo-acoustic excitation light source incident fiber. The scattering enhanced gas sensing probe can improve the absorption optical distance of the gas, and enhance the detection sensitivity of the trace gas.

The invention discloses a dual-frequency three-polarization MIMO antenna and a wireless communication device, the antenna includes a dielectric substrate, a floor, three feeder wires and two radiationpatches, the floor is arranged on the upper surface of the dielectric substrate, and a dumbbell-shaped gap is etched on the floor, the dumbbell-shaped gap has a long slit and two grooves connected toboth ends of the long slit, The three feeder lines and two radiation patches are arranged on the lower surface of the dielectric substrate, wherein one feeder line corresponds to the long slit of thedumbbell-shaped slot, and the other two feeder lines, two radiation patches and two grooves of the dumbbell-shaped slot are in one-to-one correspondence, each radiation patch is connected with a corresponding feeder line; The wireless communication device includes an antenna as described above. The antenna of the invention has dual-frequency and three polarization characteristics, and is easy toprocess, simple in structure, low in cost and wide in frequency bandwidth. The linear polarization can be applied to Bluetooth of 1.98 GHz to 2.9 GHz, Wi-MAX, ISM and other communication frequency bands, and circular polarization can be applied to the Wi-MAX of 3.13 GHz to 4.53 GHz, 5G and other communication bands.

The invention relates to a soil conditioner with a strawberry continuous cropping disease prevention function and a preparation method of the soil conditioner. A continuous cropping agent consists of the following eight raw materials by weight: 60-80 parts of shale, 10-15 parts of zeolite, 0.6-1 part of soybean meal, 2-4 parts of rice bran, 0.6-1 part of rice hull powder, 0.2 to 0.6 part of brown sugar, 1-2 parts of enzyme microorganism, and 1-2 parts of a compound chelating microorganism fertilizer. Strain, rice bran, rice hull powder, a compound chelating agent, soybean meal, brown sugar, shale and zeolite are mixed and stirred, then fermentation is carried out under a certain condition, and after fermentation, the obtained powder can be applied to a field or air-dried (or dried at low temperature) for storage, or extruding granulation is conducted on the fermented powder, and the obtained particles are air-dried (or dried at low temperature) for storage. The invention aims to provide a compound continuous cropping agent which can improve the physical and chemical properties and the microflora of soil, activate soil nutrients and effectively inhibit the soil-borne disease of plant to effectively relieve continuous cropping barrier of crops.

The invention belongs to the field of anti-unmanned aerial vehicles, and discloses anti-unmanned aerial vehicle interference equipment which comprises a signal processing module, an L / S waveband radiofrequency module, a C waveband radio frequency module and a secondary power supply module, and the L / S waveband radio frequency module and the C waveband radio frequency module are internally integrated with a receiving and transmitting module. The output end of the secondary power supply module is connected with the power supply input ends of the signal processing module, the L / S waveband radiofrequency module and the C waveband radio frequency module respectively; and the radio frequency end of the signal processing module is simultaneously connected with the radio frequency end of the L / Swaveband radio frequency module and the radio frequency end of the C waveband radio frequency module. According to the invention, the receiving and transmitting module integration and the automatic tracking interference technology are adopted, a high-power transmitter and a high-sensitivity receiver are integrated, the size is small, the weight is light, and the unmanned aerial vehicle detectionand interference performance can be independently completed.

The invention provides a three-dimensional non-realistic expression generation method based on a facial motion unit. The method includes: firstly, establishing a standard three-dimensional face neutral model and a three-dimensional model basic training set corresponding to a face motion unit AU; secondly, generating an amplification training set by using a GAN network; and taking the face motion unit AU model in the three-dimensional model basic training set and the target object model as the input of the GAN network, generating the face motion unit AU model of the target object by using the GAN network, and amplifying the training set; then, analyzing the facial expression of the target object to be generated, inputting a human face two-dimensional image, analyzing the human face expression by using a neural network, and obtaining facial motion unit AU model data of the expression; and finally, according to the obtained face motion unit AU data information and the related face motionunit AU model data of the target object, performing fusion to generate a three-dimensional model of the target expression. According to the invention, expression simulation of basic expressions can berealized, and expression migration based on the AU can also be realized.

The invention relates to a paper surface conditioning agent, and provides an environmentally-friendly cationic polyacrylate, and a preparation method and an application thereof to solve the problems of poor product storage stability, poor stability of a prepared coating liquid, bad impurity ion interference resistance, insufficient foamability of the coating liquid, and environmental pollution due to the use of aluminum sulfate during surface sizing of present sizing agents. The environmentally-friendly cationic polyacrylate is prepared by using 5-100 parts of a natural polymer emulsifier, 1-55 parts of a hard monomer, 5-55 parts of a soft monomer, 0.1-15 parts of a cationic monomer, 0.1-10 parts of a stabilizer, 0.01-10 parts of an initiator, 0.01-10 parts of an initiator B, 0.01-10 parts of a molecular weight regulator, 0.01-20 parts of an antifoaming agent, and water, wherein water is added to make the solid content reach 25-30%. The above sizing agent produced in the invention has the advantages of low cost, good stability, strong impurity ion interference resistance, low foamability and high sizing performance, realizes sizing without aluminum sulfate, so the sizing agent is an environmentally friendly product.

The invention discloses a digital duplex remote networking wired interphone and relates to the technical field of interphones. The digital duplex remote networking wired interphone comprises master equipment (11), a controller area network (CAN) bus line concentration controller (22) and slave equipment (33), wherein the master equipment (11) is connected with the CAN bus line concentration controller (22); the slave equipment (33) is connected with intelligent nodes which are distributed at all logging well holes; and the intelligent nodes are connected with the CAN bus line concentration controller (22) through CAN bus communication interfaces and cables. By adoption of the digital duplex remote networking wired interphone, real-time voice communication between an operator in a well logging vehicle and staff on a well can be realized. The digital duplex remote networking wired interphone has a voice communication protocol at a security level, can stably operate under the severe working condition, and has the characteristics of water-proof, moisture-proof and dust-proof performance, wide working temperature range, and the like.

The invention discloses an inflaming-retarding anti-oxidization high-voltage-resistant power cable which is composed of conductors, a ceramic fluoro-rubber insulating layer, a copper clad steel shielding layer and an outer sheath. The conductors are wrapped by the ceramic fluoro-rubber insulating layer; two or more cable cores are arranged in each conductor; the conductors are connected through PP plastic connecting rods; four grounding wire cores are tangent to the PP plastic connecting rods; filler is arranged in the gap part between the conductors and the ceramic fluoro-rubber insulating layer; the ceramic fluoro-rubber insulating layer is wrapped by the copper clad steel shielding layer; the copper clad steel shielding layer is formed by tightly arranging the outer sheath, a tined copper wire braided layer and a highly-inflaming-retarding fiber lapped layer from outside to inside in an extruded mode. Thus, the inflaming-retarding anti-oxidization high-voltage-resistant power cable has good shielding performance, anti-oxidization performance and high electric conductivity, and further has high-voltage resistance and magnetic interference resistance.

The invention discloses a human body following device based on a pyroelectric infrared sensor array. The device comprises an infrared human body tracking device, an analog signal collection device, an A / D converter, a signal processing module and an electric control device, the infrared human body tracking device comprises a pedestal and an upper cover, the upper surface of the pedestal is provided with 12 pyroelectric infrared sensors, the pedestal is provided with 12 Fresnel Lenses outside the pyroelectric infrared sensors in the radial directions respectively, the inner circle of the upper cover is connected with a plugging cylinder downwardly, a connecting line of the pyroelectric infrared sensors is connected with the analog signal collection device, the analog signal collection device is connected with the A / D converter, the A / D converter is connected with the signal processing module, and the signal processing module is connected with an electric control device of a robot. According to the invention, the structure is simple, the cost is lower, the defect that a single detection can only determine the edge of the human body but cannot know the horizontal position of the human body exactly during static detection is overcome, the horizontal position of the tracking object can be obtained more accurately, and the device and method are suitable for robots.

The invention aims at providing a fiber grating torsional vibration sensor based on the principle of inertia. The sensor comprises a base body, two assembling units, and four fiber gratings. The basebody consists of a shaft ring, two fiber fixed rings, and two connecting plates. The assembling units include pedestals, uniform-cross-section beams, and mass blocks that are connected successively; the mass blocks of the two assembling units are arranged in gaps between the end portions of the fiber fixed rings; and the two fibers pass through through holes formed in the two mass blocks and are fixed by packaging slots formed in the end portions of the fiber fixed rings at the two sides of the mass blocks. The four gratings are suspended between the mass blocks and the packaging slots. According to the sensor provided by the invention, on the basis of the principle of inertia, the acceleration speed of the torsional vibration angle is measured; the structure is simple and the sensor is installed conveniently; the interference on torsional vibration measurement by axial vibration and the transverse vibration of a rotating shaft can be eliminated; and the sensor also has a temperature self-compensation function.

The invention provides a water-cooled radiator and a heat-dissipating system and belongs to the technical field of radiators. The water-cooled radiator includes a heat-dissipating plate. A water inletand a water outlet are disposed on the opposite side ends of the heat-dissipating plate respectively. The heat-dissipating plate is provided with a fluid channel. The fluid channel extends from the water inlet to the water outlet, and is provided therein with multiple stoppers distributed at intervals. The axial direction of the stoppers and the axial direction of the heat-dissipating plate are angled. The heat-dissipating system has the water-cooled radiator, is simple in structure, and easy to use, and has a good heat dissipation effect.

The invention provides a photochromic pigment and a preparation method thereof. The photochromic pigment comprises an interference pigment and a plurality of metal nanoparticles coating the surface of the interference pigment, wherein gaps are formed among the plurality of metal nanoparticles. The photochromic pigment integrates the interference effect of the interference pigment and the plasma resonance phenomenon on the surfaces of the metal nanoparticles, so that the photochromic pigment has a light change effect of changing color along with angle under natural light and also has different color changes under preset light intensity. The photochromic pigment has double anti-counterfeiting effects, has better anti-counterfeiting effects, and makes counterfeiting difficult.

The invention discloses a railway disconnecting switch opening and closing monitoring system which comprises an angle acquisition device, a light source optical fiber, a signal processing controller and a receiving optical fiber. The signal processing controller controls the light source optical fiber to irradiate light into the angle acquisition device, then the receiving optical fiber receives the reflected light, and the reflected light is transmitted to the signal processing controller for photoelectric conversion; the rotating angle information of a moving contact of a railway disconnecting switch is converted into a readable voltage signal through photoelectric conversion, so that the relation between the rotating angle of the moving contact of the railway disconnecting switch and an output voltage value is obtained, namely the opening and closing angle of the railway disconnecting switch can be detected. The calculated rotation angle information of the moving contact of the railway disconnecting switch is sent to a monitoring center of a railway related department through wireless transmission, so that the related operators can conveniently confirm the switching-on and switching-off condition of the railway disconnecting switch, and then switching-on and switching-off monitoring on the railway disconnecting switch is realized.

The invention discloses a heat exchange inner thread pipe and a production method thereof. Spiral threads are arranged on the inner wall of the inner thread pipe, and thread teeth of the same spiral thread are up-and-down wavy. The inner surface area of the inner thread pipe is further increased, the heat exchange efficiency is improved, and meanwhile, since the heights of the thread teeth of the single spiral thread are different, the circulation of a heat transfer medium is subjected to interference, and the heat transfer efficiency is increased.

The invention discloses an unmanned aerial vehicle with a retractable comprehensive protection device. The unmanned aerial vehicle structurally comprises an anti-shake system, a holder, a camera, a fuselage, four driving motors, retractable protective casings, four sets of wings and ground brackets. The holder is arranged on the lower surface of the fuselage and is connected with the lower surfaceof the fuselage in a riveting mode by bolts, and the upper portion of the camera is embedded in the inner lower portion of the holder. The anti-shake system is arranged in the holder and the lower portion of the anti-shake system is connected with the camera. The four driving motors are separately installed at four corners of the fuselage, and the retractable protective casings are arranged at the periphery of the upper portion of the fuselage and connected with the periphery of the upper portion of the fuselage by fastening. The wings are separately and electrically connected with the driving motors. Through the arrangement of the anti-shake system, the unmanned aerial vehicle does not interfere with the shooting of the camera when swings left and right during flight, and at the same time, the camera is always in a horizontal state, so that the shooting quality is improved; and meanwhile, a pushing mechanism is used for strengthening the firmness of internal parts and reducing the probability of parts falling off.

The invention provides a DDS replacement cooking temperature control method of a fuzzy fractional order PIDmu controller. The method includes the steps that the fuzzy fractional order PIDmu controllerserves as a main controller of a temperature control system, a proportional controller serves as an auxiliary loop controller of the temperature control system, and the main controller is composed ofa fuzzy controller and a fractional order PIDmu controller; the fuzzy controller adjusts the output of the fuzzy controller in real time according to the temperature deviation e and the deviation change rate ec, wherein the temperature deviation e and the deviation change rate ec serve as deltakp and deltamu parameters of the fractional order PIDmu controller respectively. According to the DDS replacement cooking temperature control method of the fuzzy fractional order PIDmu controller, the system response speed is high, the stability is good, and the method has good robustness for disturbance and can be effectively applied to the DDS replacement cooking temperature control system to improve the control effect.

The invention belongs to the weak magnetic detection technology field, and particularly relates to a communication recording device detection door based on a magnetic sensor. The invention provides a communication recording device detection door based on the magnetic sensor, which has the advantages of high anti-interference capability, high detection rate and low false alarm rate; and the detection rate is not influenced no matter a mobile phone is in flight mode, sleep mode or shutdown state. A passive detection principle is adopted, therefore, human health is safe, and no electromagnetic radiation happens.

The invention discloses a wheel transmission mechanical lock cylinder and a dragon holding cylinder type key, belongs to keys, is suitable for various locks, eradicates the geneogenous defect of the displacement distance of several millimeters of a traditional mechanical lock cylinder, prevents technical unlocking and violent unlocking, and retains the advantages of the traditional mechanical lock cylinder. A dragon like guide rail or guide rail groove on a key body is held on a hollow cylinder; when a key is pushed in, a set of thinner annular transmission wheels in the lock cylinder slides on the guide rail or the guide rail groove, and rotates around the cylinder at the same time, so that the displacement distance is increased to reach several centimeters; after the key is inserted in, a brake wheel is rotated by a push button on a key handle; concave and convex parts on the brake wheel are used for extruding all the wheels, so that all the wheels form a whole; at this time, a transmission rod is fed in a transmission rod groove under the effect of a spring piece; the key is rotated to drive the transmission wheels to push the transmission rod; a poking bolt is rotated to poke a lock tongue to achieve the unlocking purpose; and when the key is pulled out, the wheels are firstly loosened, and then, the key is pulled out.

The invention discloses a high-temperature resistance shielding connection wire which comprises a wire core (1). A shielding layer (2), a high-temperature resistance layer (3) and an insulating layer (4) are sequentially wrapped on the outer surface of the wire core (1), the diameter of the wire core is 3mm, the shielding layer (2) is made of alloy materials, the thickness of the shielding layer (2) is 2mm, the high-temperature resistance layer (3) is made of ceramic fiber materials, the thickness of the high-temperature resistance layer (3) is 1mm, and the thickness of the insulating layer (4) is 1mm. Through the high-temperature resistance layer and the shielding layer, the high-temperature resistance shielding connection wire has the advantages of being high temperature resistant and capable of shielding external electromagnetic interference, simple in structure and good in using effect.

The invention discloses a method and device for unlocking a mobile terminal by a signal hand. The method comprises following steps: displaying at least two pictures arrayed in random along one side edge of a terminal touch screen when the mobile terminal receives a screen-lighting request in the screen-locking state; detecting switching operation of picture positions when a user drags pictures and obtaining the position array sequence after the position of each picture is changes; determining whether the position array sequence, following the position of each picture, is the same as the pre-set unlocking array sequence; and trigging to unlock the mobile terminal if so and failing to unlock otherwise. The method and device for unlocking the mobile terminal by the signal hand have following beneficial effects: unlocking operation is performed conveniently by the signal hand so that safety of the device is ensured and users' experience is enhanced; in addition, the sequence reversing function is additionally arranged so that the interference function is exerted; the password input by the user is prevented from being peeped by others; and safety is further enhanced and the user can input the password in public without worry.

The invention provides an ultrahigh-temperature-resistant radar wave absorbing material and a preparation method thereof. The ultrahigh-temperature-resistant radar wave absorbing material is prepared by mixing, medium-temperature drying and high-temperature sintering of the following components in parts by weight: 100 parts of a binding phase; 50- 200 parts of a wave-absorbing filler; 5-20 parts of a dispersant; and 10-50 parts of an organic binder. The invention further discloses an ultrahigh-temperature-resistant radar wave absorption structure, all the components are mixed and then brushed on the surface of a high-temperature-resistant base material, then the components and the base material are dried and sintered together to be attached to the surface of the base material, and a coating capable of absorbing electromagnetic waves is formed after cooling. The ultrahigh-temperature-resistant radar wave absorbing material has the characteristics of ultrahigh temperature resistance, low temperature resistance, radiation resistance, weather resistance and corrosion resistance, overcomes the defect that the temperature resistance of a coating type wave absorbing material which takes common polymer resin as a bonding effect does not exceed that of the polymer resin, and has electromagnetic shielding and electromagnetic clutter absorbing properties.