37 results about "Polarizability" patented technology

The application provides a nonlinear optical effect generation method, relates to the field of optoelectronic technology, and comprises the following steps: fixing and placing a polar ion crystal as a nonlinear medium, the polar ion crystal being a diatomic crystal or a polyatomic crystal with an optical phonon mode; using a modulated terahertz wave to excite a stimulated phonon polariton in the nonlinear medium, so as to enhance the nonlinear efficiency of signal light incident on the nonlinear medium; and adjusting the polarization angle and the incident angle of the signal light and / or the modulated terahertz wave, so as to generate a nonlinear optical effect. The application is based on the characteristics of the interaction between light and matter modulated by the stimulated phonon polariton, and the nonlinear polarizability is greatly improved by using the stimulated phonon polariton, so that the weak light nonlinear effect of most wavelengths of light can be realized efficiently; and the nonlinear optical effect has the advantages of high refresh rate, wide spectral response, low threshold and low power consumption.

The application provides a method for homogenizing the polarizability of an atomic sensor based on a singular point super surface, which can effectively improve the spatial uniformity of the pumping light intensity in a micro-nano nuclear magnetic resonance gyroscope, thereby enhancing the uniformity of the atomic polarizability along the propagation direction and improving the average value, so as to reduce the light frequency shift error. While realizing the reflection enhancement of the pumping light, the reflected light has the opposite rotation direction and propagation direction compared with the incident light, and the pumping effect on the alkali metal atoms in the gas chamber is equivalent. Compared with the traditional scheme and the reflection mirror enhancement scheme, the application can significantly improve the detection sensitivity and signal-to-noise ratio of the sensor while keeping the element miniaturized.

A method includes receiving image data of a person passing through an inspection volume and samples including a combination of a first magnetic field and a second magnetic field resulting from interaction of the first magnetic field and an object passing through the inspection volume. The object can be classified as threat or non-threat based on the received second data and a polarizability index characterizing a magnetic polarizability property of the object. The method can further include determining third data characterizing an indication of the object overlaid atop the first data. The method can also include comparing the polarizability index determined for the object and the indication of the object in the third data and determining, based on the comparing, an alarm status associated with the object and / or the person and providing the determined alarm status. Related apparatus, systems, techniques, and articles are also described.

There is described a device (100) for analyzing particles of a sample, the device (100) comprising: i) an electromagnetic radiation source to illuminate the sample with electromagnetic radiation to thereby generate a scattered signal; ii) a detector to detect a first component (Ivh) of the scattered signal (101), and a second component (Ivv) of the scattered signal (102); and iii) a control device configured to: a) determine (110) the depolarization ratio (Ivh / Ivv) of the sample based on the detected first component (Ivv) and the detected second component (Ivh); b) calculate (122) a polarizability (α) associated with the sample, and c) determine (120) a shape characteristic (p) of the sample particles based on the depolarization ratio (Ivh / Ivv) and the polarizability (α).

The invention discloses a method and system for testing key performance parameters of environment-friendly insulating gas, and relates to the technical field of gas performance test.The method comprises the following steps that a dynamic space-time mapping model based on gas molecule polarization response is established, and electric field gradient distribution in the high-voltage rapid rising stage serves as input parameters; generating a corresponding multi-scale polarizability evolution curve, and constructing a dynamic prediction baseline for identifying a nonlinear polarizability mutation precursor according to the multi-scale polarizability evolution curve; and constructing a micro-scale discharge channel constraint field according to polarizability abrupt change precursor parameters output by the dynamic prediction baseline, and performing vector rotation and energy amplitude limiting control on an electric field gradient, so that local electric field energy is absorbed through a spatial redistribution mechanism. According to the invention, real-time sensing and active regulation and control of the polarization behavior of the environment-friendly insulating gas are realized, through multi-stage energy redistribution and electric field dynamic balance, the formation of a discharge channel is effectively inhibited, the breakdown voltage is stabilized, the steady state duration is prolonged, and the safety and reliability of a test system are improved.

The application provides a low-refractive-index cover layer material, which is a carbazolyl-oxazole derivative and benzene as a mother nucleus, and a plurality of steric groups and electron-withdrawing groups are introduced to regulate the packing density and electron density of the molecule to adjust the polarizability of the molecule, so as to obtain a low-refractive-index cover layer material with a chemical structure shown in formula 1. By matching the low-refractive-index cover layer material with a high-refractive-index material, the light interference effect can be utilized to further improve the light extraction efficiency of an organic electroluminescent device. The refractive index of the compounds in examples 1-155 is 1.411-1.519 in each color gamut, which is lower than the refractive index of the comparative examples Ref1-Ref11, and the extinction coefficient k value is almost 0 in each color gamut, which does not affect the light emission of the light-emitting layer. The device performance of the device examples 1-155 prepared by combining the compounds prepared in examples 1-155 with the high-refractive-index CPL is better than the device performance of the device prepared by only containing the high-refractive-index CPL.

The present invention provides a starting material coordination compound for forming a metal thin film, the starting material coordination compound having a central metal and a ligand coordinated to the central metal, (i) the atomic polarizability of the central metal being 45-51, and the starting material coordination compound for forming a metal thin film satisfying the following conditions: a polarization volume < = 200 and a relative dielectric constant < = 2.20; or (ii) the atomic polarizability of the central metal is 52-90, and the raw material coordination compound for forming a metal thin film satisfies the following conditions: polarization volume < = 240 and relative permittivity < = 2.50.

The invention discloses an optical response electromagnetic simulation method and system for dynamic evolution of a nano-array structure, and the method comprises the following steps: carrying out the geometric modeling of the nano-array structure, dispersing the periodic units in the nano-array structure into dipole arrays at equal intervals, and distributing a corresponding polarizability to each dipole; initializing a simulation condition, and setting an incident light condition, a medium environment and a periodic boundary condition; establishing a dipole interaction matrix meeting a periodic boundary condition, calculating an inverse matrix, and further calculating a polarization vector of a dipole; updating the inverse matrix based on a rank-one or low-rank inverse updating method; and calculating an optical response parameter of the nano array based on the updated polarization vector. On the premise of ensuring the calculation accuracy, the optical response change of the nano array structure in the dynamic evolution process can be efficiently tracked, and the method is suitable for electromagnetic simulation and optical optimization calculation scenes involving a large number of intermediate states.

This invention relates to a miniaturized triaxial SERF atomic magnetometer device with dual-pump light semi-transparent and semi-reflective beams. A single pump light is guided into the probe by a polarization-maintaining fiber. Then, using a half-wave plate, a polarization beam splitter, a right-angle mirror, and a quarter-wave plate, the pump light is split into two circularly polarized pump lights of equal intensity, which then pass perpendicularly through the same alkali metal gas cell. The pump light passing through the gas cell is then split by a semi-transparent and semi-reflective planar beam splitter; half of the pump light is detected by a photodetector to extract magnetic field information, while the other half returns along the same path and passes through the alkali metal gas cell a second time. This invention achieves high-sensitivity simultaneous measurement of triaxial magnetic fields in a miniaturized triaxial SERF atomic magnetometer, enhances atomic spin polarizability, and improves the uniformity of atomic spin polarizability within the gas cell. It addresses the technical challenge of achieving uniform spin polarizability in miniaturized SERF atomic magnetometer applications, and is beneficial for applications of array-type triaxial SERF atomic magnetometers in fields such as magnetocardiography and magnetoencephalography.

The application discloses a kind of based on the measurement method of geologic hazard body slip surface of induced polarization effect, comprising: drilling N work drill holes in the rear end of potential landslide body to be detected;High polarizability and lower viscosity slurry are injected into work drill hole;Using the werner device with equal electrode distance, apparent polarizability under several first electrode distances along the direction of landslide body is obtained;The distance of electrode is increased, and apparent polarizability under several second electrode distances along the direction of landslide body is repeatedly obtained;Apparent polarizability dataset is formed, and apparent polarizability pseudo-section is drawn according to apparent polarizability dataset;According to apparent polarizability pseudo-section, high polarizability distribution law is analyzed, and preliminary slip surface position is obtained;The apparent polarizability dataset is inverted, and apparent polarizability inversion section is obtained;According to apparent polarizability pseudo-section and apparent polarizability inversion section, the accurate slip surface position is obtained.

This invention provides a metal-organic framework / solvent-based polyurethane high-dielectric composite material, its preparation method, and its applications, belonging to the field of polyurethane functional composite materials. The composite material of this invention includes: solvent-based polyurethane and a metal-organic framework material; the structural formula of the solvent-based polyurethane is shown in Formula 1, and the metal-organic framework material is KH-570 modified UIO-66 or UIO-66-NH2. This invention utilizes the high polarizability and abundant surface functional groups of UIO-66-type materials to achieve synergistic enhancement of interfacial polarization and dipole polarization. The preparation process does not require high-temperature calcination, is simple to operate, and the resulting composite system exhibits stable dispersion, high dielectric constant, and low dielectric loss, making it widely applicable in flexible electronic devices, dielectric energy storage, electromagnetic shielding, and sensing materials.

The invention discloses a mineral target area delineation method based on electrical resistivity and polarizability image fusion, which comprises the following steps of: firstly, preprocessing actually measured electromagnetic data of an exploration area, including data review, gridding registration and image normalization, so as to respectively obtain a standardized electrical resistivity image and a standardized polarizability image; decomposing the two source images into low-frequency sub-band images and high-frequency sub-band images by using non-subsampled contourlet transform; fusing the low-frequency sub-band image and the high-frequency sub-band image by using a fusion rule based on weighted average and a new measurement parameter; and finally, a fusion image is obtained through NSCT inverse transformation, and the fusion image is compared with prior geological data to delineate a prospecting target area. Through a multi-scale image fusion technology, complementary information of resistivity and polarizability is effectively integrated, the accuracy and reliability of mineralization abnormal area identification are remarkably improved, and a new technical means is provided for mineral exploration.

The invention discloses an optical monomer and a preparation method and application thereof, the structural general formula of the optical monomer is shown in the specification, R is a sulfur-containing group, and the sulfur-containing group is selected from one of the following groups: C2-C5 alkyl substituted by at least two sulfur, phenyl substituted by two sulfur, biphenyl substituted by two sulfur and naphthyl substituted by two sulfur. According to the optical monomer provided by the invention, thioether bonds existing in molecules greatly increase the electron cloud density and polarizability in unit volume, and the refractive index of the optical monomer is improved; a sulfur heterocyclic structure in the optical monomer can effectively improve the rigidity of the whole compound and improve the toughness of molecules; thioether bonds do not have characteristic absorption in visible light and near-infrared regions, influence on dispersion of visible light is small, transparency of the whole compound can be improved, and the Abbe number of the optical monomer is increased; the sulfydryl groups at the two ends of the molecule in the optical monomer can be used as reactive functional groups to react with other active functional groups such as isocyanate groups.

A kind of SERF biaxial magnetic field measuring device and method without magnetic field modulation, for the problem that modulation magnetic field needs to be applied in traditional biaxial measurement, leading to spin exchange relaxation increase and magnetic field crosstalk, it is proposed to replace the traditional magnetic field modulation by modulating the pumping light in SERF atomic magnetometer, then measure biaxial atomic spin polarizability information, realize biaxial magnetic field measurement.This method can realize higher sensitivity biaxial magnetic field measurement without introducing modulation magnetic field by abandoning the external modulation magnetic field in traditional biaxial measurement, and can completely suppress magnetic field crosstalk.Provide a new scheme for future new generation of ultra-high sensitivity array atomic magnetometer technology and application.

The invention discloses a method for constructing a Bloch surface wave structure based on mode matching enhanced second harmonics, and the method comprises the steps: S1, constructing a multi-period one-dimensional photonic crystal on a substrate, enabling the multi-period one-dimensional photonic crystal to support a surface wave mode at the same time in a 750-840 nm fundamental frequency band and a 380-460 nm second harmonic wave band, and achieving the intersection point of a dispersion curve in a momentum space, therefore, the propagation phase speed matching of the fundamental frequency light and the second harmonic is achieved. S2, a double-grating coupling structure is etched on the surface of the photonic crystal, the double-grating coupling structure comprises an excitation grating used for exciting fundamental frequency surface waves and an emission grating used for exporting second harmonics, and efficient energy input and output are achieved; and S3, integrating a 3R-MoS2 nonlinear material with a nanoscale thickness between the gratings, and remarkably enhancing the frequency conversion efficiency by utilizing the interaction between the high nonlinear polarizability and the local field intensity of the 3R-MoS2 nonlinear material. According to the invention, low-loss and high-efficiency second harmonic generation is realized through an all-dielectric structure.

The invention relates to the technical field of high-frequency circuit substrate materials, and particularly discloses a 6G communication-oriented TLCP substrate with an ultralow dielectric constant and a preparation method thereof.According to the TLCP substrate, fluorine-doped modified thermotropic liquid crystal polymer (TLCP) serves as a matrix, hollow glass beads are introduced to serve as low-dielectric filler, and a controllable micropore structure is constructed in the matrix; and the polarizability and density of the material are synergistically reduced. The substrate shows ultralow dielectric constant (Dk is less than or equal to 1.5) and dielectric loss (Df is less than or equal to 0.0008) under the frequency of 10 GHz, and has excellent thermal stability, the thermal deformation temperature is more than or equal to 260 DEG C, the coefficient of thermal expansion (CTE) is less than or equal to 30 ppm.DEG C <-1 >, the compression modulus is more than or equal to 20 MPa, and the UL94 V-0 flame retardant grade is met. The technical problem that an existing high-frequency substrate material cannot give consideration to ultralow dielectric constant and high mechanical strength at the same time is solved, and the high-frequency substrate material is particularly suitable for a printed circuit board (PCB) for 6G millimeter wave / terahertz communication, an antenna module and high-end electronic packaging.

The application belongs to the technical field of light emitting diodes, and discloses a high-polarization circularly polarized light emitting diode, a preparation method and application thereof. The circularly polarized light emitting diode comprises, from bottom to top, a bottom reflective electrode arranged on the surface of a first substrate, a light emitting unit, a top transparent electrode, and a Bragg reflection layer. The material for preparing the Bragg reflection layer is cholesteric liquid crystal. The bottom reflective electrode and the Bragg reflection layer form a Bragg-mirror reflection microcavity structure, and the Bragg reflection layer selectively reflects and outputs circularly polarized light with the same chirality. The Bragg-mirror reflection microcavity is used for chirality selection, and the microcavity structure reverses the optical rotation of light with non-target optical rotation, thereby breaking through the problem of serious light loss of a traditional external polarizer. The microcavity structure utilizes the Bragg-mirror reflection optical microcavity polarization regulation mechanism, so that the light emitting diode does not depend on the intrinsic chirality, spin polarization or special orientation of the light emitting material, and can be applied to various light emitting systems.

The application discloses a kind of high-precision magnetic susceptibility measurement systems based on atomic magnetometer, comprising: first coherent light source, second coherent light source, first polarization beam splitter, second polarization beam splitter, third polarization beam splitter, 1 / 4 wave plate, half wave plate, balanced detector, rubidium atomic ensemble, helmholtz coil, magnetic shield, electromagnet, guide tube, guide coil, vacuum pump, electromagnetic valve, air pipe.The application is based on the magneto-optical rotation effect generated in rubidium atomic ensemble, realizes sample polarized magnetic field measurement, and the ratio of polarized magnetic field and the magnetic field generated by electromagnet is sample polarizability.The measurement system disclosed in the application has very important application prospect in the field of precision measurement, geological exploration and biomagnetic field measurement.Compared with traditional magnetic susceptibility meter, the application uses emerging ultra-sensitive atomic magnetometer as magnetization probe, and has great improvement in magnetic field measurement sensitivity.

The application relates to an insulating oil insulation aging state determination method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: constructing a single molecule model corresponding to a target molecule in a composition molecule of insulating oil by using a molecular simulation tool; acquiring an extreme electric field strength corresponding to the destruction of the single molecule model, and determining a test electric field strength interval according to the extreme electric field strength; acquiring a dipole moment, a polarizability, an orbital energy level and a state density corresponding to different test electric field strengths in the test electric field strength interval; determining a reaction site of the single molecule model under the extreme electric field strength according to the dipole moment, the polarizability, the orbital energy level and the state density; acquiring target infrared spectrum information corresponding to the reaction site of the single molecule model; and matching and comparing the target infrared spectrum information with infrared spectrum information of an insulating oil to be evaluated, so as to obtain an insulation aging state of the insulating oil to be evaluated. The method can improve the evaluation efficiency.

The application relates to a method for accurately measuring electron spin Fermi contact field and polarization rate. A spin coupling system decoupling magnetic field ten times of nuclear spin Fermi contact field is applied in the z direction, a uniaxial magnetometer sensitive to longitudinal magnetic field is constructed by using nuclear spin, and the longitudinal magnetic field is measured by detecting the precession frequency of the nuclear spin. The rotation direction of circularly polarized pumping laser is converted into sigma + The rotation direction of circularly polarized pumping laser is converted into sigma ‑ The precession frequency difference of nuclear spin under two kinds of pumping laser is measured, and the change amount of the longitudinal magnetic field is converted into double electron spin Fermi contact field. The measurement of the electron spin Fermi contact field is converted into the measurement of the precession frequency of the nuclear spin, and compared with the traditional measurement method, the measurement precision is higher. The polarization rate of the electron spin is linearly related to the Fermi contact field, and the polarization rate of the electron spin can be accurately calculated. The method can be used for measuring the electron spin Fermi contact field and the polarization rate of the electron spin of atomic spin gyroscopes, nuclear magnetic resonance gyroscopes and other instruments.

A method includes receiving, from a plurality of magnetic field receivers including magnetic sensors, data characterizing samples obtained by the plurality of magnetic field receivers, the samples of a combination of a first magnetic field and a second magnetic field resulting from interaction of the first magnetic field and an object; determining, using the received data, a polarizability index of the object, the polarizability index characterizing a magnetic polarizability property of the object; classifying, using the determined polarizability index, the object as threat or non-threat; and providing the classification. Related apparatus, systems, techniques, and articles are also described.

A method includes receiving image data of a person passing through an inspection volume and samples including a combination of a first magnetic field and a second magnetic field resulting from interaction of the first magnetic field and an object passing through the inspection volume. The object can be classified as threat or non-threat based on the received second data and a polarizability index characterizing a magnetic polarizability property of the object. The method can further include determining third data characterizing an indication of the object overlaid atop the first data. The method can also include comparing the polarizability index determined for the object and the indication of the object in the third data and determining, based on the comparing, an alarm status associated with the object and / or the person and providing the determined alarm status. Related apparatus, systems, techniques, and articles are also described.

The invention relates to the technical field of ferroelectric material parameter measurement, in particular to a calculation method for obtaining a ferroelectric material with high polarizability. According to the invention, a KSr2Nb5O15 unit cell structure model is ordered, and metal cation doping is carried out, so that a doped KSr2Nb5O15 unit cell structure model is obtained; taking Nb as a central atom to construct a calculation model; interacting bonds between Nb and surrounding atoms are obtained, the bond length is calculated, and the Magdelong constant and the polarizability of the corresponding calculation model are calculated; obtaining a relational expression between polarizability and a Born index of different unit cell structure models; substituting the Born index of the ferroelectric material to obtain polarizability of different unit cell structure models; and the unit cell structure model with the maximum polarizability is screened out by comparing the polarizability of different unit cell structure models. The problems that an existing calculation mode is not suitable for calculating the polarizability of the complex polyatomic ferroelectric material and the operation difficulty is large are solved.

The invention belongs to the technical field of ocean geophysical exploration, and particularly relates to a deep sea hydrothermal sulfide detection method and system based on a frequency domain electromagnetic method, and the method comprises the steps: driving a transmitting coil to excite a medium to generate a secondary electromagnetic response; at multiple different depths in the drill hole, electromagnetic response signals are collected through an electromagnetic receiving sensing system, and magnetic induction intensity-depth data are formed; a consistent inversion depth division mode is adopted, one-dimensional electrical inversion is carried out respectively, and a conductivity model of dielectric electrical parameters changing along with depth under each emission frequency and mutually registered in space is obtained; based on the conductivity corresponding to each measurement depth, obtaining a polarizability parameter representing the polarization characteristic of the medium, and generating a polarizability profile curve in which the polarizability changes along with the depth; comprehensively judging the occurrence position of the sulfide ore body according to the abnormal threshold value and the conductivity characteristic in the polarizability profile curve, and accurately describing the boundary depth and thickness information of the ore body.

The invention relates to the technical field of time-frequency electromagnetism, and discloses a resistivity and polarizability joint inversion method based on time-frequency domain electromagnetic exploration, which comprises the following steps: acquiring time-frequency domain electromagnetic field parameters of an underground medium by using a time-frequency electromagnetic method observation system; based on the time-frequency domain electromagnetic field parameters of the underground medium, a time-frequency domain joint inversion model of the resistivity and the polarizability is constructed, and forward modeling calculation of the joint inversion model adopts a one-dimensional analytical solution of a layered medium geoelectric model; and performing quasi-two-dimensional constraint inversion calculation on the joint inversion model by adopting a nonlinear conjugate gradient method to obtain resistivity distribution and polarizability distribution of the underground medium. The correctness and effectiveness of the method are verified through a known geoelectric model and an actually measured data example in typical mineral exploration. Compared with a result obtained by independently adopting time domain or frequency domain inversion, the time-frequency domain electromagnetic joint inversion fully fuses the advantages of the time domain and the frequency domain, so that the resistivity and polarizability models can reflect the structural characteristics of the ore body and the rock stratum more accurately.

The application discloses a reservoir fluid identification method based on joint of seismic elastic properties, resistivity and polarizability, and comprises the following steps: obtaining seismic detection data and electromagnetic detection data of a region to be detected and identified, extracting resistivity, polarizability and seismic wave velocity to obtain a first physical property model; obtaining a second physical property model by using K-means clustering analysis and regression analysis according to logging data containing resistivity, polarizability and seismic wave velocity and combining with rock physical experiment analysis; correcting the first physical property model by using the second physical property model and performing joint inversion; obtaining model parameters containing resistivity, polarizability and velocity after inversion, and performing reservoir fluid prediction according to the model parameters. Through the above scheme, the application has the advantages of simple logic, accuracy and reliability and has high practical value and popularization value in the field of geophysical comprehensive detection technology.

This invention relates to the field of biomedical engineering technology and discloses a method and device for time-calibrated meridian detection based on multimodal sensing. The method includes the following steps: acquiring optical volumetric imaging and skin surface temperature signals of the subject, calculating the systematic rhythm shift index, and determining the time-anchored acupoint nodes to generate a composite AC constant current source signal; initiating time-division isolation driving timing, sequentially injecting the constant current source signal individually into the target acupoint, time-anchored acupoint, and non-meridian reference node, while simultaneously acquiring differential voltage signals; extracting the complex impedance modulus of each node through orthogonal demodulation and calculating the frequency domain polarizability; using the polarizability of the non-meridian reference node and the time-anchored acupoint node as static and physiological upper limit benchmarks, respectively, performing differential and normalization operations to output a normalized meridian index. This invention eliminates baseline drift caused by the endogenous diurnal rhythm in the human body, blocks electrical ground crosstalk in multi-channel measurements, and improves the objectivity and data stability of meridian feature detection.

The application discloses a novel small-molecule electron acceptor material, a preparation method thereof and an organic solar cell, and relates to the technical field of organic solar cells. λ onset The small-molecule electron acceptor material has a high-efficiency near-infrared spectrum (greater than 1000 nm) response and a low open-circuit voltage loss. The selenium phenol unit is introduced, the polarizability of selenium atoms and the heavy atom effect are utilized, the intermolecular interaction is enhanced, and the absorption spectrum of the molecule is widened; through side chain modification, multiple intramolecular oxygen-sulfur non-covalent interactions are introduced, on the one hand, the intramolecular ICT effect is enhanced, the band gap is reduced, on the other hand, the multiple oxygen-sulfur non-covalent bonds lock the molecular configuration, the molecular rigidity is enhanced, vibration is inhibited, non-radiative recombination and open-circuit voltage loss are reduced. λ onset The application is applied to organic solar cell single-junction and tandem devices, and the photovoltaic response characteristics of more than 1000 nm are realized, and energy conversion efficiencies of more than 17% and 21% are obtained, which are the highest device efficiencies of the spectrum response of more than 1000 nm in the current research field of organic solar cells.

This invention relates to the field of geophysical exploration technology and discloses a three-dimensional polarizability inversion method based on cross-gradient constraints. The method includes the following steps: acquiring apparent resistivity observation data d_obsr and equivalent apparent resistivity observation data d_obsη; performing hybrid mesh partitioning on the computational domain to generate a hybrid mesh model containing triangular prism elements, tetrahedral elements, and pyramidal elements; and performing three-dimensional resistivity forward modeling based on the hybrid mesh model to obtain the total field potential. This three-dimensional polarizability inversion method based on cross-gradient constraints, by employing a hybrid mesh (combination of triangular prism, tetrahedral, and pyramidal elements) partitioning technique, can accurately fit undulating surfaces, fundamentally eliminating the terrain influence error caused by mesh simplification. Measured data show that the forward modeling response error at steep terrain measurement points can be reduced from 5.1% to 1.5% using traditional methods, effectively suppressing false anomalies and making the anomaly boundary more clearly delineated.

The invention belongs to the technical field of atomic sensors, and particularly relates to an atomic sensor electron polarizability spatial distribution measurement system and method. Comprising the following steps: representing an x-axis component of the overall electron polarizability by using an optical rotation angle of detection laser; measuring the spatial distribution condition of the optical rotation angle of the detection laser; measuring the light intensity space distribution condition of the detection laser; and according to the spatial distribution condition of the optical rotation angle, the spatial distribution condition of the light intensity and the Stokes parameters, obtaining the polarization state distribution condition of the detection laser, namely the spatial distribution condition of the longitudinal electron polarizability. According to the invention, by measuring the laser polarization state in the light spot coverage range, the in-situ measurement of the longitudinal electron polarizability spatial distribution of the miniaturized atomic sensor is realized, and the high spatial resolution is realized.