366 results about "Transmission properties" patented technology

The invention discloses a passive imaging-based multi-spectral polarized light transmission characteristic test method, which relates to the technical field of optical engineering, and comprises the following steps of: performing space-time alignment and weighted fusion on a multi-spectral polarized image data set by using a multi-dimensional image fusion method to generate a polarization coupling matrix; inputting the polarization coupling matrix into a non-uniform polarized light transmission model, performing depolarization feature extraction by a multi-scale convolutional layer, performing inter-spectrum polarization correlation analysis by an attention mechanism layer, outputting a multi-spectrum polarized light transmission characteristic test scheme, inputting the multi-spectrum polarized light transmission characteristic test scheme into an optical simulation engine, and performing optical simulation on the multi-spectrum polarized light transmission characteristic test scheme. And driving the LabVIEW unit to execute polarized scattered light imaging simulation of the smoke environment. The advanced multi-dimensional image fusion technology and the non-uniform polarized light transmission model are adopted, the image data fusion and imaging simulation precision is improved, the problem of transmission characteristic inversion errors caused by registration deviation is effectively solved, and meanwhile the reliability and precision of transmission characteristic testing in the complex environment are greatly improved.

The invention discloses a method for detecting broadband transmission characteristics of a capacitor voltage transformer (CVT), which comprises the following steps of: inputting a uniform white noise signal into a test system without a tested CVT, and calculating a transfer function H (f) of the test system and a corresponding compensation function A (f); a reference test voltage is constructed by superimposing multiple harmonic waves on the fundamental wave voltage, a reference spectrum Y (f) is obtained through Fourier transform, and a driving spectrum X (f) and a driving signal x (t) are obtained by combining the compensation function A (f); a driving signal x (t) is applied to a test system provided with a tested CVT, a test voltage ui (t) applied between a primary side medium voltage end of the tested CVT and the ground is collected, a response signal measurement spectrum Ui (f) of the test system is obtained through Fourier transform, and then the driving signal x (t) is corrected according to an error spectrum of the response signal measurement spectrum Ui (f) and a reference spectrum Y (f), so that the voltage signal ui (t) meets design requirements; and collecting the test voltage uo (t) output by the secondary side of the tested CVT at the moment, and calculating the transmission characteristic parameters of the tested CVT by combining the test voltage ui (t) and the test current ii (t) of the medium-voltage end of the tested CVT at the moment.

The invention relates to a radio transceiver for transmitting a radio message, the radio transceiver being designed to transmit a plurality of test radio sequences, wherein the radio transceiver is designed to transmit different test radio sequences with distinct transmission properties, and each transmission property is one of a plurality of transmission properties. The radio transceiver is designed to receive feedback containing information associated with the reception of the plurality of test radio sequences by a receiving node. Based on the feedback, a selected transmission property is selected from the plurality of transmission properties by the radio transceiver, and the radio message is transmitted to the receiving node using the selected transmission property.

The invention relates to a system and a method for dual-view quantitative phase imaging and honeycomb artifact removal based on multi-core optical fiber transmission. The system comprises a light source, a pinhole aperture, a condensing mirror, a spatial light modulator, a mirror, a multi-core optical fiber, an objective lens, a tube lens, a spectroscope, a first CMOS camera and a second CMOS camera. According to the multi-core optical fiber transmission-based system for dual-view quantitative phase imaging and honeycomb artifact removal, the phase distortion of the multi-core optical fiber is corrected through the spatial light modulator, different illumination angles are generated by using the spectroscope, and the transmission characteristics of the multi-core optical fiber are combined, so that the dual-view quantitative phase imaging and honeycomb artifact removal can be realized on the premise of not changing the position of a sample. According to the method, phase information under two different visual angles is rapidly acquired, and then the two groups of data are processed by using the following method, so that three-dimensional reconstruction is realized, and the imaging depth and accuracy are improved.

The invention relates to the technical field of optical communication equipment testing, in particular to an integrated optical module multi-parameter testing system and method.The method comprises the steps that a multi-channel parallel testing unit synchronously collects light spot morphology, divergence angles, insertion loss and return loss space and transmission characteristic parameters through a transmission light path and a reflection light path; the parameter collaborative analysis module performs nonlinear correlation analysis and dynamic performance threshold evaluation based on a cross-dimension correlation model; the intelligent calibration engine dynamically adjusts the test benchmark and compensation parameters according to the environment temperature and the equipment aging attenuation model; the fault diagnosis and prediction unit identifies potential defect types of the collimator, constructs a performance degradation prediction model in combination with a working state and environmental stress, and predicts a performance evolution trend according to test data; and the test report generation module automatically generates a standardized and customized dual-mode test report, a quality grade label and a performance optimization suggestion according to the prediction result and the diagnosis conclusion. Therefore, the problems of poor test precision, low test efficiency and the like in the prior art are solved.

The invention relates to the technical field of optical fiber communication, in particular to a hollow-core optical fiber of a nested structure. The hollow-core optical fiber with the nested structure comprises an outer cladding, a fiber core area located in the center of the optical fiber and a plurality of anti-resonance tube units, each anti-resonance tube unit is composed of a cladding tube and at least three nested tubes; the cladding tubes are arranged around the fiber core area in a radial distribution mode, and the outer cladding layer tightly surrounds the cladding tubes. The circle center point of each cladding tube is the same as that of the center nested tube in the cladding tube, and the outer nested tubes are arranged on the two sides of the center nested tube and symmetrically distributed with the center nested tube as the center, so that a negative curvature nested structure is formed. The cladding tube surrounds the fiber core to form an anti-resonant cavity for optical signals, light leakage to a cladding area is reduced, the anti-resonant effect is enhanced through the negative curvature structures of the cladding tube and the nested tube, the binding capacity of the optical signals in the fiber core is improved, and meanwhile the long-distance low-loss optical transmission characteristic is achieved.

The invention relates to the technical field of optical fiber communication, in particular to a thin-film lithium niobate electro-optical modulator of a stepped electrode, which comprises a substrate, a buffer layer, an optical waveguide, a metal electrode and a transition layer, the optical waveguide is an X-shaped or Y-shaped cutting LN film, a traditional ridge-shaped structure is adopted, the optical waveguide is bonded to the thick SiO2 buffer layer on the substrate, the film can be prepared through various technologies such as ion implantation, wafer bonding and hot slicing, and in order to improve the electro-optical overlapping coefficient and reduce light absorption loss, a silicon dioxide transition layer is used for connecting the metal electrode and the optical waveguide. The metal electrode is of a stepped structure, the electrode can effectively reduce electrical loss and obtain high bandwidth, and the electrode is used for generating an electric field in the aspect of photoelectric efficiency; the electric field is used for changing the functional characteristics of the thin-film lithium niobate layer and further changing the optical transmission characteristics of the waveguide, so that electro-optical modulation is realized. Therefore, the problem that an existing electro-optical modulator is low in modulation efficiency is solved.

The invention discloses a polarized photoelectric detector, a preparation method thereof and an imaging device, and belongs to the technical field of polarized light detection. A photoelectric conversion layer on the substrate; the nanowire optical waveguide has a polarized light transmission characteristic and is positioned on the photoelectric conversion layer; the electrode is located on the photoelectric conversion layer, and the electrode and the nanowire optical waveguide are arranged at an interval. The electrodes are used for being connected with an external circuit, the nanowire optical waveguide serves as an optical waveguide to achieve selective transmission of polarized light, the photoelectric conversion layer serves as a photosensitive material to achieve photoelectric conversion, and photon-generated carriers generated through photoelectric conversion are transmitted to the two electrodes and guided into the external circuit to form light current. The polarized light response of the device provided by the invention comes from selective light transmission of the nanowire optical waveguide, and the polarized light response can be realized in an in-plane isotropic material. In addition, when the in-plane anisotropic material is used as the photosensitive material, the polarization ratio of the detector can be enhanced.

The invention relates to an energy valley photonic crystal structure, an optical waveguide and an optical beam splitter. According to the energy valley photonic crystal structure, the time reversal symmetry of lattice space is broken by changing the ratio of the silicon dielectric cylinders to air in the photonic crystal, namely the duty ratio of lattices, and the energy valley photonic crystal (VPC) with C3 symmetry is obtained, so that topological phase change is achieved, and higher stability is achieved. The optical waveguide provided by the invention has a good unidirectional transmission characteristic, and has good robustness for defects such as introduced cavities, disorder, sharp turns and the like. The light beam splitter has two different boundary states, light splitting can be achieved at multiple frequencies, the beam splitting ratio of the light splitter fluctuates within the range of 0.2-4.9 along with the change of the incident light frequency, and equal power light beam splitting can be achieved at multiple frequencies.

The invention discloses a stray light removing system of a diffractive optical element for beam splitting, which comprises a laser light source, the diffractive optical element for beam splitting, a first focusing element, a diaphragm, a second focusing element and a third focusing element which are sequentially arranged along the direction of a laser light path, and is characterized in that the diffractive optical element is used for splitting incident light into a plurality of sub-beams; a plurality of light through holes used for removing stray light are formed in the diaphragm corresponding to the plurality of sub light beams, the focal lengths of the first focusing element and the second focusing element are the same and are F, the distance between the diaphragm and the first focusing element and the distance between the diaphragm and the second focusing element are the same and are L, and L is equal to F. By forming a 4f filtering system, stray light of each sub light beam is effectively removed, and under the condition that the transmission characteristic of light is not changed, the whole structure is simple, operation is convenient, the yield of machined products is guaranteed, and cost is saved.

A user equipment (UE) receives reference signal resource configuration for transmitting reference signals for positioning from, e.g., a location server. The UE transmits or attempts to transmit reference signals for positioning to one or more transmission-reception points, such as a gNB. The UE may, however, may be unable to transmit reference signals in accordance with the reference signal resource configuration. For example, the UE may be unable to transmit the reference signals or may transmit the reference signals with lower power or a different spatial relation than configured. The UE may provide a reference signal transmission report indicating that the reference signals were not transmitted according to the reference signal resource configuration. The reference signal transmission report may indicate how the reference signal transmission differs from the reference signal resource configuration and may indicate the reasons that the reference signal transmission differs from the reference signal resource configuration.

The invention discloses a terahertz detector linearity calibration device and method. The terahertz detector linearity calibration device comprises a terahertz radiation source, a monitoring detector, a baffle, a terahertz film attenuator, a diaphragm, a standard terahertz detector, a digital multimeter, a computer and measurement and control software. The terahertz radiation source is used for radiating parallel or divergent terahertz wave beams; the monitoring detector is used for monitoring the fluctuation condition of the terahertz radiation source; the baffle plate is used for being inserted into a terahertz light path when the noise of the detector is detected so as to play a role in cutting off the terahertz light path; the terahertz thin film attenuator is used for carrying out quantitative attenuation on terahertz power without changing the transmission state of a wave beam; the digital multimeter is used for measuring an electric signal output by the detected terahertz detector, and the electric signal is collected by the computer and sent to the data processing software, and then the linearity is calculated according to the linearity. According to the invention, the interference of the attenuator on beam transmission characteristics can be effectively reduced, so that the calibration precision is improved.

The invention discloses a multi-resonant-layer hollow optical fiber applied to carbon dioxide gas monitoring, and relates to the technical field of optical fiber communication. The optical fiber sequentially comprises an outer cladding layer, an inner cladding layer and an air fiber core area from outside to inside in the radial direction of the optical fiber, a plurality of first nested pipe units are arranged between the outer cladding layer and the inner cladding layer, the plurality of first nested pipe units are annularly distributed at equal intervals, and the first nested pipe units are tangent to the outer cladding layer and the inner cladding layer respectively. According to the invention, efficient transmission of light with specific wavelength is realized through the optimally designed resonant structure, interaction with gas molecules is enhanced through the hollow structure, and the optical fiber has the characteristics of low loss, near-zero dispersion and bending resistance, and is suitable for monitoring carbon dioxide gas molecules. The multi-resonant structure of the optical fiber enables the optical fiber to maintain good optical transmission characteristics in a broad spectrum range, and the optical fiber is especially suitable for gas monitoring methods such as laser absorption spectrum and Raman spectrum.

The invention discloses a magnetic-thermal response type phononic crystal plate device and an elastic trough state transmission characteristic regulation and control method thereof, and relates to the technical field of novel artificial metamaterials. The magnetic-thermal response type phononic crystal plate device comprises a magnetic-thermal-elastic phononic crystal plate and a plurality of magnets and thermoelectric pieces; the phononic crystal plate is formed by arranging a plurality of unit cell structures, and each unit cell is composed of a magnetostrictive column and an aluminum plate; the external magnetic field is regulated and controlled by adjusting the distance between the magnet blocks; the temperature of different magnetostriction columns is controlled by controlling the thermoelectric pieces, so that the adjustment of a temperature field is realized; a broadband elastic trough Hall interface state is induced to be generated, and dynamic adjustability of magnetic-thermal dual excitation to a trough topology transmission path is achieved on the premise that the structure is not changed. The technical problem that the frequency of the elastic trough Hall interface state and the topological transmission path are difficult to dynamically regulate and control on the premise that the structure of a traditional topological photonic crystal is not changed is solved.

Optical transmission property estimation device comprising:a transmission waveform restoration unit configured to restore a transmission signal from a reception signal obtained by receiving an optical signal by a coherent detection system; andan estimation unit configured to estimate an optical power distribution in a transmission line by estimating a nonlinear coefficient in a propagation equation of a light wave by a linear least square method based on the restored transmission signal and the reception signal.

The invention provides an accelerator system adjustment method, an accelerator system, electronic equipment and a storage medium. The transmission characteristic data and the charge quantity data of the undeflected beam are obtained through the first beam position detector, and the form and the charge quantity of the undeflected beam are accurately adjusted in combination with a preset adjustment strategy, so that the stability of beam transmission is ensured. And after the form data of the first beam reaches a preset value, monitoring the deflected beam data by using a second beam position detector, and further accurately adjusting the accelerator system to ensure that the deflected beam conforms to the target transmission characteristics. According to the invention, the transmission state of the beam can be accurately controlled in real time, risks of vacuum box breakdown and the like caused by beam mismatch are avoided, the safety and the stability of the system are improved, the possibility of equipment damage is obviously reduced especially under the high-dose-rate transient beam, and the treatment effect and the continuity of Flash radiotherapy are guaranteed.

The invention discloses an ultrasonic shock wave signal gain optimization method based on a time reversal mirror. The method comprises the following steps: S1, acquiring transmission characteristics of a channel; s2, performing system modeling of the virtual time reversal mirror based on the transmission characteristics; and S3, carrying out optimization processing on the TRM excitation signal. The ultrasonic shock wave amplitude is remarkably enhanced, the cracking capacity of the ultrasonic shock wave on high-hardness calcified plaques is improved, the ultrasonic shock wave enhancement device is suitable for shock wave enhancement application scenes in various acoustic systems, and the success rate and reliability of percutaneous coronary intervention therapy are improved.

The invention discloses a circuit board production process management and control method and system based on a multilayer circuit. The method comprises the following steps: establishing an interlayer transmission line parameter model of a multilayer circuit board, and calculating electromagnetic field distribution based on a deformation telegraph equation and a parallel plate resonance effect; performing transmission characteristic simulation verification; optimizing production environment parameters, and selecting an area of which the electric field intensity is lower than 45% maximum value as a wiring optimal area; implementing a layered wiring strategy, and optimizing an interlayer wiring path according to the transmission matrix; production data are dynamically monitored, temperature, humidity and electromagnetic radiation data are collected in real time, and machining parameters are adjusted in combination with a transmission matrix correction value. According to the method, the transmission characteristics are accurately predicted, the production environment parameters are optimized, the influence of the external environment on the performance of the circuit board is effectively reduced, and the stability and reliability of the circuit board are improved. Through establishment of a parameter model and simulation verification, comprehensive management and control of the production process of the multilayer circuit board are realized.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) or relay node may transmit a beam report indicating a polarization layer mismatch (achievable rates are different for the first and second polarizations, or positioning estimation accuracy is different for the first and second polarizations). The report may include an indication of an imbalance in signal strength, an estimation error for the two polarizations, one or more beam pairs that are not supported across the two polarizations, a preferred polarization, or a combination thereof. In response to the beam report, the network entity may adjust one or more parameters, and may transmit accordingly. A relay node may indicate non-co-located polarization array construction via capability information. The UE may then transmit feedback indicating a direction of steered beams at the UE. The relay node performs relay operations based on transmission characteristics selected from the beam direction information.

[Problem] To provide a resin film which does not contain fluorine, has not only acoustic performance (sound transmission properties) and air permeability, but also high water repellency and oil repellency, and is suitable for a sound-transmitting waterproof film.　[Solution] This resin film is obtained by curing an ultraviolet curable acrylic resin composition that contains silane-modified inorganic particles having a primary particle diameter of 10-200 nm, wherein, if the average value of heights of recesses and projections obtained on the basis of a cross-sectional shape of the resin film surface obtained from a surface image including height information captured by means of a laser microscope is used as a reference value, the surface has recesses and projections within ±2,500 nm from the reference value, and the air permeability as determined by JIS L1096 B method (Gurley method) is 10-300 seconds / 100 mL.　

Disclosed in the present invention are an unconventional thermoelectric material and a preparation method therefor. The chemical formula of the unconventional thermoelectric material is TiFexRuyCuzSb, wherein x, y and z are respectively the molecule amount of Fe, Ru and Cu in the chemical formula, 1<x+y+z<2, and x and z are not 0. The unconventional thermoelectric material TiFexRuyCuzSb(1<x+y+z<2) provided in the present invention exhibits excellent thermoelectric performance: the Seebeck coefficient thereof exceeds 180 μV / K in a certain temperature range; the figure of merit (zT) can reach 1.2 at 875 K; and the resistivity of TiFexRuyCuzSb exhibits strict linear temperature dependence in the temperature interval of 14 K to 650 K, which breaks through the Mott-Ioffe-Regel (MIR) limit, and exhibits the bad metal transmission properties of non-quasi particles. The unique transmission properties and the high thermoelectric performance benefit from a complicated electronic structure and associated interaction inside TiFexRuyCuzSb, including spin, valence fluctuation, etc., such that TiFexRuyCuzSb can more efficiently convert heat energy into electric energy during the thermoelectric conversion process, thereby improving the energy utilization efficiency.

The invention provides an optical machine assembly angle calculation method and device, computer equipment and a storage medium, and the method comprises the steps: calculating a first rotation matrix of an optical machine and a light receiver through a rotation vector according to the light transmission characteristics of an optical waveguide, and calculating a second rotation matrix of the optical machine according to the optical axis vectors of the light receiver and a stereoscopic vision camera; calculating a second rotation matrix between the stereoscopic vision camera and the ray machine, and determining an attitude transformation relation between the stereoscopic vision camera and the ray machine; and calculating a third attitude matrix of the ray machine according to the attitude matrix of the stereoscopic vision camera, the second rotation matrix and the first rotation matrix, thereby determining the assembly angle of the ray machine according to the third attitude matrix. By accurately calculating the rotation matrix and the attitude matrix, high-precision alignment of poses among the light machine, the light receiver and the stereoscopic vision camera can be ensured, accumulated errors in the assembly angle calculation process can be minimized through distributed calculation and calibration, and reliability and accuracy of an assembly angle calculation result are improved.

The invention discloses a safety protection device and method for a hardware debugging interface, and the device comprises a controller chip, the controller chip is provided with a debugging interface, and a clock signal or a data signal of the debugging interface is provided with a plurality of layers of PCB inner layer snakelike winding wires, so that the transmission length of the clock signal and the transmission length of the data signal have a large deviation. And the synchronous transmission requirement of the transmission line is not met. By changing the transmission characteristics of the synchronous signals on the PCB of the product end, the traditional interface hiding is changed into signal characteristic hiding, so that an attacker cannot completely master the signal characteristics of a transmission line even if the attacker can find the debugging interface, and the debugging interface cannot be normally taken over and used.

The application discloses a hybrid surface plasmonic directional coupler for optical chip network, comprising a silicon dioxide substrate and two parallel adjacent hybrid surface plasmonic waveguides. The waveguide structure model is stacked from top to bottom by a rectangular organic polymer nanowire, a silicon dioxide layer and a silver layer, wherein the rectangular organic polymer nanowire material is a host-guest doped electro-optic polymer (25% IPC-E+Polysulfone) prepared from IPC-E and Polysulfone (refractive index is 1.67). The application has small size, excellent transmission characteristics and coupling characteristics. To some extent, the problems of the traditional surface plasmonic directional coupler, such as large transmission loss, weak coupling condition, difficulty in actual production and processing, difficulty in simultaneously realizing strong field localization and good transmission characteristics, are solved. The application has reference significance for the research of related micro-nano photonic devices and has good application prospect in the field of optical chip network in the future.

The invention relates to a switchable light filter (5) comprising a first optical element (1) which transmits light or at least partially absorbs it depending on its polarization state and / or its direction of incidence, means (7) for limiting the angular spectrum of light, means for selectively generating a first electric field (EF1) or a second electric field (EF2), an anamorphic diffuser (D), a linear polarization filter (P), a liquid crystal layer (3) on which the first electric field (EF1) or the second electric field (EF2) acts and which, depending thereon, influences the polarization state of light penetrating it, so that the transmission properties of the switchable light filter (5) differ between a first operating mode B1 and a second operating mode B2, wherein light which, from the perspective of an observer, is incident on the liquid crystal layer (3) from behind,has an angular spectrum restricted perpendicular to the first plane, wherein the same light, after penetrating the liquid crystal layer (3) and the first optical element (1), is at least partially fanned out parallel to the second plane due to the anamorphic diffuser (D), whereby insufficient absorption effects of the optical element (1) for light from certain directions are at least partially compensated for in one of the operating modes B1 or B2. The invention further discloses screens that can be operated in at least two operating modes B1 or B2.

The invention provides an uplink MIMO-NOMA (Multiple Input Multiple Output-Non-Orthogonal Multiple Access) system optimization method with a maximized sum rate, which comprises the following steps: firstly, in order to suppress interference between a transmission cluster and a reflection cluster, providing an inter-cluster SIC method: clustering users according to transmission characteristics, adopting space division multiple access in each cluster, and performing inter-cluster SIC of NOMA transmission so as to reduce the interference between the clusters; secondly, a non-convex optimization problem aiming at maximizing the total rate of the system is formulated and solved by using an alternating optimization framework, in the framework, a receiving equalizer is optimized according to a minimum mean square error standard, and transmitting power control of a user is processed through successive convex approximation, so that sub-problems are easy to process; and finally, the beam forming of the active STAR-RIS adopts a sequential rotation design. According to the invention, the dual-fading effect is effectively overcome by adjusting the phase shift and amplitude of electromagnetic waves, an alternating optimization framework is also provided to solve the described non-convex problem, user power is controlled through continuous convex approximation, and active STAR-RIS beam forming is realized through sequential rotation.

The optical gas concentration sensor includes a sample cell having an inlet port and an outlet port through which gas can pass, a light source configured to emit light into the interior of the sample cell, a photodetector disposed outside the sample cell, and an optical waveguide assembly optically coupling the interior of the sample cell to the detector. The optical waveguide assembly includes a first optical waveguide coupled to the sample cell, a second optical waveguide coupled to the detector, and an optical coupler optically coupling the first optical waveguide to the second optical waveguide. The first optical waveguide has optical transmission characteristics different from those of the second optical waveguide at wavelengths within the wavelength range of 1.5 μm to 18 μm.

This application discloses a method and system for testing the shielding performance of electrical wires, relating to the field of functional testing technology. The method includes: acquiring multi-frequency external excitation response data of the cable under test without disassembling it; obtaining the transmission characteristic curve by measuring the frequency domain according to a preset measurement arrangement and scanning steps; establishing a hierarchical equivalent network model based on the transmission characteristic curve and structural parameter set, and generating the parameter range to be inverted for each shielding layer; prioritizing the inversion of the outermost layer and subtracting the influence of the outermost layer to obtain an updated transmission characteristic curve; solving the parameters of the inner layers on the updated transmission characteristic curve and obtaining the interlayer coupling correction factor by comparing the difference sequence with the coupling threshold; summarizing and comparing with each threshold to output the location and type of failure layer; and outputting which layer and what failure mechanism the result falls into, reducing the risk of rework and disputes caused by the inability to attribute the cause in the overall test.

The present invention provides a printed circuit board that allows for easy formation of fine circuits, improved transmission characteristics, reduced warping, and miniaturization of via diameters when forming embedded circuits. [Solution] This disclosure relates to a printed circuit board 100A comprising: a first insulating material 111a having a first opening v1; an insulating layer 111 laminated on one surface of the first insulating material 111a, filling at least a portion of the first opening v1, and comprising a second insulating material 111b made of a different material from the first insulating material 111a; a wiring pattern 112 arranged on one surface of the first insulating material 111a and embedded in the second insulating material 111b such that one surface is exposed from one surface of the second insulating material 111b; and a via pattern 113 spaced apart from the first insulating material 111a within the first opening v1 and embedded in the second insulating material 111b such that one surface is exposed from one surface of the second insulating material 111b.

The present invention provides a cable for high-frequency signal transmission and a manufacturing method thereof. When transmitting high-frequency signals, it is difficult for the cable to attenuate, and even when bending and wiring high-frequency signals in a narrow space, the transmission characteristics are hardly reduced. The cable (1) for high-frequency signal transmission at least includes a conductor (2), an insulator (3) covering the periphery of the conductor (2), a coating layer (4) covering the periphery of the insulator (3), and a sheath (6) covering the periphery of the coating layer (4). Among them, an anti-cracking layer (7) is provided between the insulator (3) and the coating layer (4). The anti-cracking layer (7) is arranged in contact with the insulator (3) and has a coating layer (4) on its outer surface. The anti-cracking layer (7) is composed of a resin film (71). In response to the bending of the insulator (3), it bends while relatively moving in the cable length direction, thereby suppressing cracking of the coating layer (4).