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47results about How to "Overcome incompatibility" patented technology

Detection system for beam control circuit of phased array radar antenna, and implementation method for detection system

The invention discloses a detection system for a beam control circuit of a phased array radar antenna, and an implementation method for the detection system, and mainly solves problems in the prior art that the testing is tedious, the detection cost is increased and the detection efficiency is low. The system comprises an upper computer, an FPGA chip connected with the upper computer, an interfacecontrol module which is disposed in the upper computer, a test control module which is connected with the interface control module, a command analysis module which is connected with the test controlmodule, a command generation module which is connected with the command analysis module, and a serial port communication module connected with the FPGA chip. The test control module comprises a DA read-write module, a channel amplitude and phase control module, a system self-check module, a beam control algorithm verification module, a power pulse control module, a beam control circuit flash memory control module, and an attenuation amplitude control module, wherein the DA read-write module, the channel amplitude and phase control module, the system self-check module, the beam control algorithm verification module, the power pulse control module, the beam control circuit flash memory control module and the attenuation amplitude control module are connected with the command analysis module,and the serial port communication module is connected with the FPGA chip. The system is simple and convenient to operate, is good in compatibility, is complete in test items, and is high in test efficiency.
Owner:成都锐芯盛通电子科技有限公司

Method for measuring oil length and/or oil content of oil-based drilling cuttings and application of method

The invention relates to a method for measuring the oil length and/or oil content of treated oil-based drilling cuttings. The method includes the following steps that 1, an organic reagent which does not contain hydrogen atoms is mixed with various types of oil-based drilling fluid base oil with different masses, nuclear magnetic resonance measuring is carried out, and the linear equation that Mi=k*Si+b of the T2 spectrum oil peak area (Si) and base oil mass (Mi) is established; 2, the treated oil-based drilling cuttings are weighed, the mass of the treated oil-based drilling cuttings is recorded as M1, and the treated oil-based drilling cuttings are poured into a vessel; 3, a carbon tetrachloride analytically-pure solution is measured, the volume of the carbon tetrachloride analytically-pure solution is recorded as V1, and the carbon tetrachloride analytically-pure solution is poured into the vessel in the step 2 for extraction; 4, a solution with the volume of V2 is measured from the vessel in the step 3 under the condition that V2<V1 and then is subjected to nuclear magnetic resonance measuring, and the T2 spectrum peak area is recorded as S2; 5, the oil content or oil length of the treated oil-based drilling cuttings is calculated according to a formula. The invention further relates to application of the measuring method.
Owner:CHINA PETROLEUM & CHEM CORP +1

Structural flame-retardant functional composite material and preparation method thereof

The invention provides a structural flame-retardant functional composite material which comprises a flame-retardant fireproof fiber felt and a composite material, and the surface of the composite material body is coated with the flame-retardant fireproof fiber felt. The invention further provides a preparation method of the structural flame-retardant functional composite material. The preparationmethod comprises the following steps: (1) preparing the flame-retardant fireproof fiber felt; (2) pre-impregnating the fiber felt; and (3) preparing the flame-retardant composite material. Compared with the prior art, a surface flame-retardant structure is adopted, the flame-retardant functional structure layer with the functions of flame retardance, heat insulation, smoke suppression and the likeis concentrated on the surface of the composite material based on the combustion behavior that the composite material expands from outside to inside after being ignited, and in the process that the composite material is on fire, the structure can be used as a fireproofing suit to isolate flame and heat outside the composite material so that the internal structure of the material is protected, andthe damage of a flame retardant to the composite material matrix is avoided.
Owner:NINGBO NOTTINGHAM NEW MATERIALS INST CO LTD +1

Stable and efficient automatic focusing method for decomposition projection

The invention discloses an automatic focusing method for decomposition projection. The method comprises the steps: obtaining original data in the whole synthetic aperture time, and dividing the original data into N sub-aperture data; performing focusing imaging processing on each sub-aperture data to obtain a first sub-image; registering the first sub-image in a ground virtual polar coordinate system to obtain registered image data; and performing error correction and sub-image fusion on the registered image data by adopting a fast coordinate descent method to obtain second sub-image data, andoutputting a focusing imaging result if the second sub-image data is a sub-image. According to the invention, the PGA algorithm is applied to the ground virtual polar coordinate system, so that the problem that a traditional frequency domain method is incompatible with a time domain method is solved, automatic focusing in the FFBP algorithm is achieved, and the focusing precision of the sub-aperture images is effectively improved; and the residual phase error model of the sub-images is established, the method is suitable for an unstable strip mode of a radar platform, the error estimation precision is improved, and the calculation complexity is reduced.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Domestic electric heating baking and instant-boiling pan

The present invention discloses a domestic electric heating baking and instant-boiling pan. The pan comprises a baking and instant-boiling plate (1), a pedestal (2), an electrical heating tube (3) and an electric socket (4), wherein the baking and instant-boiling plate is a disc-shaped thin-wall aluminum alloy component, a raised round platform called as a baking stage is disposed in the center of the baking and instant-boiling plate, an annular groove called as an instant-boiling groove is disposed at the rim of the baking stage, the pedestal is provided with bottom legs and carrying handles, the baking and instant-boiling plate is connected onto an upper face of the pedestal, the electrical heating tube is disposed between the baking and instant-boiling plate and the pedestal, the electric socket is arranged on a right edge of the pedestal, and electrodes of the electrical heating tube are connected with those of the electric socket. When the pan is used, the electric socket is connected with a power supply through a temperature control socket power line, the baking and instant-boiling plate is heated by the electrical heating tube, edible soup is poured inside the instant-boiling groove for a user to instantly boil food inside, the user also can bake food on the baking stage, and thus the aim of baking and instant-boiling food by an electric heating cooker is achieved.
Owner:NINGBO FENGYA ELECTRICAL APPLIANCES

Communication electric plug connection part of ignition power prevention type

The invention proposes a communication electric plug connection part of an ignition power prevention type, and the electric plug connection part comprises a power terminal and a power ground terminal, and a power line and a power ground line, which are respectively connected with the power terminal and the power ground terminal. The electric plug connection part comprises a signal terminal and a signal ground terminal, and a signal line and a signal ground line, which are respectively connected with the signal terminal and the signal ground terminal. An energy storage capacitor is electrically connected between the power line and the power ground line, and an inhibition ignition resistor is electrically connected between the signal ground line and the power ground line. During the paired plug connection of the plug connection part, the electric connection between the signal ground terminals is ahead of the electric connection between the power terminals, and the electric connection between the power terminals is ahead of the electric connection between the power ground terminals and the electrical connection between the signal terminals. Therefore, after the electric connection between the signal terminals and the electrical connection between the power terminals, the inhibition ignition resistor and the energy storage capacitor form a loop, so as to inhibit the energy storage capacitor from instantly releasing a big current. The electric plug connection part can avoid the ignition phenomenon, thereby protecting the electric plug connection part and the communication circuit from being damaged.
Owner:昆山合朗航空科技有限公司

A spectral correlation super-resolution method for broadband electromagnetic distribution detection

The invention relates to a frequency spectrum correlation super-resolution method used for broadband electromagnetic distribution detection. Recovery of images formed by 1-6GHz broadband radiation resources can be achieved. The method comprises steps of firstly establishing a model in simulation software according to a quality reduction image of an unknown radiation source, acquiring different frequencies of point expansion functions; then, carrying out spatial two-dimensional Fourier transform on the different frequencies of point expansion functions, recording cut-off frequency width in the space and drawing a corresponding frequency-width curve graph; carrying out two-dimensional Fourier transform on an acquired wideband electromagnetic distribution image, solving the cut-off frequency width in the space and determining the highest frequency on the curve obtained through the simulation; and using the point expansion function corresponding to the highest frequency component to carry out processing on the image, and using the L_R iteration method in the narrow band super-resolution algorithm to carry out image recovery on the quality reduction image. According to the invention, a condition that the traditional narrow band super-solution algorithm is not compatible to an electromagnetic distribution detection system is overcome; the highest frequency in the wideband radiation source is identified; and resolution of the image is effectively improved.
Owner:BEIHANG UNIV

Anti-sparking power type communication electrical connector

The invention proposes a communication electric plug connection part of an ignition power prevention type, and the electric plug connection part comprises a power terminal and a power ground terminal, and a power line and a power ground line, which are respectively connected with the power terminal and the power ground terminal. The electric plug connection part comprises a signal terminal and a signal ground terminal, and a signal line and a signal ground line, which are respectively connected with the signal terminal and the signal ground terminal. An energy storage capacitor is electrically connected between the power line and the power ground line, and an inhibition ignition resistor is electrically connected between the signal ground line and the power ground line. During the paired plug connection of the plug connection part, the electric connection between the signal ground terminals is ahead of the electric connection between the power terminals, and the electric connection between the power terminals is ahead of the electric connection between the power ground terminals and the electrical connection between the signal terminals. Therefore, after the electric connection between the signal terminals and the electrical connection between the power terminals, the inhibition ignition resistor and the energy storage capacitor form a loop, so as to inhibit the energy storage capacitor from instantly releasing a big current. The electric plug connection part can avoid the ignition phenomenon, thereby protecting the electric plug connection part and the communication circuit from being damaged.
Owner:昆山合朗航空科技有限公司
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