76results about How to "High image quality" patented technology

The invention provides an optical lens, which comprises six lenses which sequentially comprise a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface, the object side surface of the second lens is a concave surface, and the image side surface of the second lens is a convex surface; the object side surface and the image side surface of the third lens are convex surfaces; the fourth lens has positive focal power, and the object side surface of the fourth lens is a convex surface; the fifth lens has negative focal power, and the image side surface of the fifth lens is a concave surface; and the sixth lens has positive focal power. According to the optical lens provided by the invention, the six lenses with specific focal power are adopted, and through specific surface shape matching and reasonable focal power distribution, the imaging quality of the optical lens can be improved, the aberration can be reduced, the imaging quality of the optical lens can be improved, and the lens has one or more advantages of large target surface, large aperture, high imaging quality and the like.

The invention provides a projection lens, which comprises six lenses in total, and sequentially comprises a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from a projection surface to an image source surface, the surface of the projection side of the second lens is a convex surface, and the surface of the image source side of the second lens is a concave surface; the surface of the projection side of the third lens is a concave surface, and the surface of the image source side of the third lens is a convex surface; the surface of the projection side of the fourth lens is a concave surface; the surface of the image source side of the fifth lens is a convex surface; the surface of the projection side and the surface of the image source side of the sixth lens are convex surfaces; wherein the surface curvature radius R11 of the projection side of the sixth lens and the surface curvature radius R12 of the image source side of the sixth lens meet the following conditions:-0.8 lt; (R11 + R12) / (R11-R12) lt; and 0.1. According to the projection lens provided by the invention, the projection quality of the projection lens is improved through the reasonable configuration of the surface types of the lenses and the reasonable matching of the focal power.

The invention provides an optical lens, which comprises six lenses which sequentially comprise a first lens with negative focal power, a second lens with negative focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an image side along an optical axis, the second lens has negative focal power; the object side surface of the third lens is a concave surface, and the image side surface of the third lens is a convex surface; the object side surface and the image side surface of the fourth lens are convex surfaces; the fifth lens has negative focal power, and the image side surface of the fifth lens is a concave surface; and the object side surface of the sixth lens is a concave surface, and the image side surface of the sixth lens is a convex surface. According to the optical lens provided by the invention, the six lenses with specific focal power are adopted, and through specific surface shape matching and reasonable focal power distribution, the imaging quality of the optical lens can be improved, the aberration can be reduced, the imaging quality of the optical lens can be improved, and the lens has one or more advantages of large target surface, large aperture, high imaging quality and the like.

The invention discloses a camera shooting optical lens. The camera shooting optical lens is composed of a first prism with positive refraction power, a first lens, a second lens, a third lens, a fourth lens and a fifth lens which are sequentially arranged from the object side to the image side. A reflecting surface is arranged between the object side surface and the image side surface of the first prism, the first lens, the second lens and the third lens form a first lens group, the fourth lens and the fifth lens form a second lens group, and the second lens group can be movably adjusted along the optical axis of the shooting optical lens, so that the shooting optical lens is switched between a first state and a second state. Wherein the focal length of the shooting optical lens in the first state is maximum, and the focal length of the shooting optical lens in the second state is minimum; the focal length of the shooting optical lens in the first state is fA, the image height of the shooting optical lens is IH, and the following relational expression is satisfied: fA / IH is greater than or equal to 4.00 and less than or equal to 4.80. The shooting optical lens can realize large-aperture periscopic design, and has good optical performance.

The invention provides an optical lens, which sequentially comprises a first lens with positive focal power from an object side to an imaging surface along an optical axis, a second lens with negative focal power, a third lens with positive focal power and a fourth lens with negative focal power from the object side to the imaging surface, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has negative focal power; the fourth lens has negative focal power, the object side surface of the fourth lens is a convex surface near the optical axis, and the image side surface of the fourth lens is a concave surface near the optical axis; the fifth lens has positive focal power, the object side surface of the fifth lens is a convex surface near the optical axis, and the image side surface of the fifth lens is a convex surface; the sixth lens has positive focal power; the object side surface of the seventh lens is a concave surface, and the image side surface of the seventh lens is a concave surface near the optical axis; the total optical length TTL of the optical lens and the effective focal length f of the optical lens meet the following conditions: 1.1 lt; tTL / flt; and 1.3. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the imaging quality of the optical lens can be improved, and the optical lens has the advantage of excellent imaging quality.

The invention discloses a camera shooting optical lens. The camera shooting optical lens is composed of a first prism with positive refraction power, a first lens with negative refraction power, a second lens with positive refraction power, a third lens, a fourth lens and a fifth lens which are sequentially arranged from the object side to the image side. A reflecting surface is arranged between the object side surface and the image side surface of the first prism, the first lens, the second lens and the third lens form a first lens group, the fourth lens and the fifth lens form a second lens group, and the first lens group can be movably adjusted along the optical axis of the camera optical lens, so that the camera optical lens is switched between a first state and a second state. Wherein the focal length of the shooting optical lens in the first state is fA, the image height of the shooting optical lens is IH, and the following relational expression is satisfied: fA / IH is more than or equal to 4.00 and less than or equal to 5.50. The shooting optical lens can realize large-aperture periscopic design, and has good optical performance.

The invention provides a projection lens, which comprises seven lenses from a projection surface to an image source surface along an optical axis: a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power and a fifth lens with negative focal power, the surface of the projection side of the second lens is a concave surface, and the surface of the image source side of the second lens is a convex surface; the surface of the projection side of the third lens is a convex surface, and the surface of the image source side of the third lens is a concave surface; the surface of the projection side of the fourth lens is a convex surface, and the surface of the image source side of the fourth lens is a concave surface; the surface of the image source side of the fifth lens is a concave surface; the surface of the projection side and the surface of the image source side of the sixth lens are convex surfaces; and the seventh lens has positive focal power, and the image source side surface of the seventh lens is a convex surface. According to the projection lens provided by the invention, the projection quality of the projection lens is improved through the reasonable configuration of the surface types of the lenses and the reasonable matching of the focal power.

The invention discloses an optical lens, a camera module and a terminal device, the optical lens comprises seven lenses, the first lens has negative refractive power, and the object side surface and the image side surface of the first lens are a convex surface and a concave surface near an optical axis respectively; the second lens element with negative refractive power has a concave object-side surface and a convex image-side surface in paraxial regions, respectively. The third lens element with positive refractive power has an object-side surface and an image-side surface being convex in a paraxial region. The fourth lens element with positive refractive power has an object-side surface and an image-side surface being convex in a paraxial region thereof. The fifth lens element with positive refractive power has an object-side surface and an image-side surface being convex in a paraxial region. The sixth lens element with negative refractive power has an object-side surface and an image-side surface being concave in a paraxial region. The seventh lens element with positive refractive power has a convex object-side surface and a concave image-side surface in paraxial regions, respectively. The optical lens satisfies the following relational expressions: FOV is greater than or equal to 130 degrees and less than or equal to 160 degrees, and R6 / F3 is greater than or equal to-7.5 and less than or equal to-3.0.

The invention provides an optical lens, which comprises six lenses from an object side to an imaging surface along an optical axis: a first lens with negative focal power; the second lens has negative focal power; the third lens has positive focal power, and the image side surface of the third lens is a convex surface; the fourth lens has positive focal power, and the object side surface of the fourth lens is a convex surface; the object side surface of the fifth lens is a convex surface, and the image side surface of the fifth lens is a concave surface; and the object side surface of the sixth lens is a concave surface, and the image side surface of the sixth lens is a convex surface. According to the optical lens provided by the invention, the six lenses with specific focal power are adopted, and through specific surface shape matching and reasonable focal power distribution, the imaging quality of the optical lens can be improved, the aberration can be reduced, the imaging quality of the optical lens can be improved, and the lens has one or more advantages of large target surface, large aperture, high imaging quality and the like.

The long-wave infrared athermalization wide-angle temperature measurement lens comprises a first lens, a second lens, a third lens, a diaphragm STOP, a fourth lens and an optical filter which are sequentially connected along an optical axis from an object side to an image side in an optical path mode. The object-side surface of the first lens is a convex surface, and the image-side surface is a concave surface. The object side surface of the second lens is a convex surface, and the image side surface is a concave surface; the object side surface of the third lens is a concave surface, and the image side surface is a convex surface; the fourth lens element has a convex object-side surface and a convex image-side surface. By adopting the optimized first to fourth lenses, the number of used lenses is reduced, the cost is reduced, the horizontal visual angle is ensured to reach 90 degrees, and the number of apertures is less than or equal to 1.0. In addition, the total optical length is smaller than or equal to 50 mm, the structure is designed to be light, and the purpose of miniaturization is achieved. Meanwhile, the advantages of optical athermalization and active and passive focusing compensation of an electric tuning system are utilized, and high imaging quality is obtained under the complex environment temperature.

The invention provides an optical lens, which consists of seven lenses, and sequentially comprises a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the object side surface of the third lens is a concave surface, and the image side surface of the third lens is a concave surface; the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a concave surface; the fifth lens has positive focal power, and the object side surface of the fifth lens is a convex surface; the image side surface is a convex surface; the object side surface of the sixth lens is a concave surface, and the image side surface of the sixth lens is a convex surface; and the object side surface of the seventh lens is a convex surface, and the image side surface of the seventh lens is a concave surface. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the imaging quality of the optical lens can be improved, the aberration can be reduced, and the imaging quality of the optical lens can be improved.

The invention provides an optical lens, which comprises six lenses which sequentially comprise a first lens with positive focal power, a second lens with negative focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with positive focal power and a sixth lens with negative focal power from an object side to an imaging surface along an optical axis, the object side surface of the second lens is a concave surface, and the image side surface of the second lens is a convex surface; the third lens has positive focal power, and the image side surface of the third lens is a convex surface; the fourth lens has positive focal power, and the object side surface of the fourth lens is a convex surface; the fifth lens has negative focal power, and the image side surface of the fifth lens is a concave surface; and the sixth lens has positive focal power. According to the optical lens provided by the invention, the six lenses with specific focal power are adopted, and through specific surface shape matching and reasonable focal power distribution, the imaging quality of the optical lens can be improved, the aberration can be reduced, the imaging quality of the optical lens can be improved, and the lens has one or more advantages of large target surface, large aperture, high imaging quality and the like.

The present invention provides an optical lens, which includes, from the object side to the imaging surface along the optical axis, a first lens with negative optical power, whose object side surface is convex and whose image side surface is concave; a second lens with optical power, whose object side surface is convex and whose image side surface is concave; a third lens with positive optical power, whose object side surface is concave and whose image side surface is convex; a fourth lens with negative optical power, whose object side surface is convex and whose image side surface is concave; a fifth lens with positive optical power, whose object side surface is convex and whose image side surface is convex; a sixth lens with optical power, whose object side surface is concave and whose image side surface is convex; a seventh lens with negative optical power, whose object side surface is convex and whose image side surface is concave near the optical axis. The optical lens of the present invention has one or more advantages such as a large field of view, large target surface imaging, and high imaging quality.

The utility model relates to an intelligent family camera device belongs to camera technical field, including fixed rib plate, the front of fixed rib plate is equipped with camera body, the front of fixed rib plate is equipped with the installation mechanism for conveniently installing camera body, the inner chamber of camera body is equipped with anti -frosting mechanism for preventing frost, the installation mechanism includes connecting seat, rotary rod, worm wheel, worm, two -way screw rod, two rotary straight -toothed gears, two movable plates, two linkage blocks and four clamping blocks, and the connecting seat is hinged and is connected on the front of fixed rib plate through the hinged seat. The intelligent family camera device, the installation mechanism that sets up can be convenient for fixing camera body, and it is convenient for staff to dismantle when maintaining, improves the installation efficiency of camera body, and the stability that improves camera body fixed, realizes the cost competitiveness while maintaining the substantial promotion imaging quality and dark state perception ability.

The utility model relates to a photovoltaic module detection device, and the device comprises a conveying mechanism which comprises a first conveying assembly which is used for conveying a photovoltaic module; the second conveying assembly is located on one side of the first conveying assembly, the second conveying assembly is used for conveying a photovoltaic module, a detection station is formed between the second conveying assembly and the first conveying assembly, and the photovoltaic module is located on the detection station for detection; the light reflecting mechanism is arranged above and / or below the detection station, a light reflecting space is formed between the light reflecting mechanism and the detection station, and the light reflecting mechanism is used for uniformizing light in the light reflecting space; the lighting mechanism is arranged in the light reflecting space, and the lighting mechanism is used for lighting the interior of the light reflecting space; the imaging mechanism is used for obtaining an image of the photovoltaic module; and a probe mechanism. The technical problem that the false detection rate of power-on detection of the photovoltaic module is high is solved, and the technical effect of improving the power-on detection accuracy of the photovoltaic module is achieved.

The utility model provides an X-ray detector and an imaging system. According to the X-ray detector, the positioning columns are matched with the positioning holes of the positioning sleeves fixed to the circuit board assembly, so that the flicker module and the photoelectric conversion module of the circuit board assembly are positioned and aligned more accurately. Moreover, the structure of the existing circuit board assembly does not need to be greatly changed, and the functions can be realized only by using the additionally arranged positioning sleeve with smaller processing error, so that the cost for developing a new circuit board assembly is saved. In the imaging system, more accurate positioning and alignment are realized by the flicker module and the photoelectric conversion module of the circuit board assembly, so that the signal-to-noise ratio of the X-ray detector for imaging can be improved, the risk of image artifacts is reduced, and better imaging quality is obtained.

The invention discloses a large-target surface high-low temperature confocal ADAS optical device, which includes, starting from the object side, the following sequence: a first lens with negative focal power; a second lens with negative focal power; a third lens with positive focal power; a fourth lens with positive focal power; a fifth lens with negative focal power; a sixth lens with positive focal power; a seventh lens with positive focal power; an eighth lens with negative focal power; a ninth lens with positive focal power; a first bonded lens formed by bonding the second lens with negative focal power and the third lens with positive focal power; a second bonded lens formed by bonding the fifth lens with negative focal power and the sixth lens with positive focal power; a third bonded lens formed by bonding the seventh lens with positive focal power and the eighth lens with negative focal power; the lens adopts an 8G1GM structure. The lens structure is made compact by reasonably distributing the focal power, thereby greatly reducing the tolerance sensitivity and greatly improving the imaging quality.

The present invention provides an optical lens, which sequentially includes, along the optical axis from the object side to the imaging surface: a first lens with a negative optical power, whose object side is convex and image side is concave; a second lens with a positive optical power, whose object side is convex; a third lens with a positive optical power, whose object side is convex and image side is convex; a fourth lens with a negative optical power, whose image side is concave; a fifth lens with a positive optical power, whose image side is convex; a sixth lens with a negative optical power, whose image side is concave near the optical axis; a seventh lens with an optical power, whose object side is convex near the optical axis and image side is concave near the optical axis; the total optical length TTL of the optical lens and the effective focal length f satisfy: 3.15 < TTL / f < 4; the total optical length TTL of the optical lens and the true image height IH corresponding to the maximum field of view satisfy: 0.95 < TTL / IH < 1.2. The optical lens provided by the present invention has one or more advantages such as large wide-angle, miniaturization, large image surface, and high imaging quality.

This invention provides an optical lens comprising seven lenses, arranged sequentially along the optical axis from the object side to the image plane: a first lens with negative optical power, its object side being convex and its image side being concave; a second lens with negative optical power, its object side being concave; a third lens with positive optical power, its object side being convex and its image side being convex; a fourth lens with positive optical power, its object side being convex and its image side being concave; a fifth lens with positive optical power, its object side being convex near the optical axis and its image side being convex; a sixth lens with negative optical power, its object side being concave; and a seventh lens with negative optical power, its object side being convex near the optical axis and its image side being concave near the optical axis. The optical lens provided by this invention, through a specific combination of surface shapes and a reasonable allocation of optical power, enables the lens to possess one or more advantages such as a large field of view, a large aperture, a large image height, high pixel count, and high image quality.

The application discloses a wide-angle optical imaging system and electronic equipment, and relates to the technical field of optical imaging systems, and specifically discloses a wide-angle optical imaging system which is composed of a first lens to a sixth lens; the first, third and sixth lenses have negative refractive power, and the remaining lenses have positive refractive power; the object side surface and the image side surface of the first lens are both concave, the object side surface and the image side surface of the second lens and the fifth lens are both convex; the object side surface and the image side surface of the third lens are both convex; the object side surface of the fourth lens and the sixth lens is convex, and the image side surface is concave; the optical imaging system satisfies the following conditions: 1.4 < EPD / SAG12 < 1.8; 3.55 < T26 / CT1 < 4.55. Through reasonable matching of the refractive power and surface type of the first lens to the sixth lens, a large wide-angle shooting effect can be obtained, and meanwhile, better imaging quality is achieved, so that the requirement of small and miniaturized electronic equipment can be met, and the influence on the accuracy and efficiency of fingerprint identification is reduced while the size of the under-screen fingerprint lens is reduced.

The present invention provides a projection lens, which has five lenses in total, and includes the following in order from the projection surface to the image source surface along the optical axis: a first lens with negative optical focal length, whose projection side surface is convex and whose image source side surface is concave; a second lens with positive optical focal length, whose projection side surface is convex; a third lens with negative optical focal length, whose projection side surface is concave and whose image source side surface is convex; a fourth lens with positive optical focal length, whose image source side surface is convex; a fifth lens with positive optical focal length, whose projection side surface and image source side surface are both convex; wherein the curvature radius R5 of the projection side surface of the third lens and the curvature radius R6 of the image source side surface of the third lens satisfy: ‑1<(R5‑R6) / (R5+R6)<‑0.1. The present invention improves the imaging quality of the projection lens, reduces aberrations, and improves the projection quality of the projection lens through the reasonable configuration of the surface types of each lens and the reasonable matching of the optical focal length.

A display device is provided. The display device includes: a first substrate including a plurality of pixels; a second substrate opposite to the first substrate; and an optical path changing layer disposed between the first and second substrates and including a first pattern portion and a second pattern portion, wherein the first pattern portion has a first refractive index, the second pattern portion has a second refractive index smaller than the first refractive index, and the first pattern portion includes a blue colorant.

This invention provides an optical lens comprising eight lenses of optical power, arranged sequentially along the optical axis from the object side to the image plane: a first lens with negative optical power, its object side being concave and its image side being convex; a second lens with positive optical power, its object side being convex and its image side being convex; a third lens with negative optical power, its object side being concave; a fourth lens with positive optical power; a fifth lens with positive optical power, its object side being convex; a sixth lens with negative optical power, its image side being concave; a seventh lens with negative optical power, its object side being convex and its image side being concave; and an eighth lens with positive optical power. The optical lens provided by this invention, through a specific combination of surface shapes and a reasonable distribution of optical power, achieves one or more advantages such as miniaturization, telephoto capability, large image plane, large aperture, and high image quality.

The present invention provides an optical lens, which has a total of six lenses. Along the optical axis, from the object side to the imaging surface, it successively includes: a first lens with a positive optical power, whose object side is convex and whose image side is concave; a second lens with a positive optical power, whose object side is convex and whose image side is concave; a third lens with a positive optical power, whose object side is convex and whose image side is concave; a fourth lens with a negative optical power, whose object side is convex and whose image side is concave; a fifth lens with a positive optical power, whose object side is convex; a sixth lens with a negative optical power, whose object side is convex and whose image side is concave. The true image height IH corresponding to the maximum field of view angle of the optical lens and the effective focal length f of the optical lens satisfy: 2.1 < IH / f < 2.4; the focal length f2 of the second lens and the effective focal length f of the optical lens satisfy: 12 < f2 / f < 24. The optical lens provided by the present invention has one or more advantages such as miniaturization, large image surface, and high imaging quality.

The invention belongs to the technical field of projection optical lenses, and discloses a projection lens which can form a lens structure with a long back focal length through three lens groups which are respectively used for focusing, zooming and fixing, can obtain higher brightness and contrast through the lens structure with the long back focal length, and is more beneficial to heat dissipation. On the basis, continuous zooming can be achieved through the first zoom lens set, the second zoom lens set and the third zoom lens set which independently move along the optical axis, and meanwhile under the condition that the back focal length is long or the length of the lens is fixed, through the design in the aspects of back focal length control, lens materials and / or lens gluing and the like, continuous zooming can be achieved. The problems of chromatic aberration and difficult light correction caused by a long back focal length lens structure can be solved in the aspects of aberration, chromatic aberration and the like, the contrast ratio and the brightness are better improved, and the purposes of long back focal length, high brightness, low chromatic aberration, low distortion, large aperture and high imaging quality of the projection lens are finally achieved.

The invention discloses an image sensor which comprises the following components. The gate structure is located on the substrate. The light detector and the storage node are respectively located in the substrate at one side and the other side of the gate structure. The dielectric layer is disposed on the substrate and the gate structure, and has a first opening right above the light detector. The first light shielding layer is located in the dielectric layer and is provided with a second opening located over the light detector. The first opening is located above the second opening. The first shading layer is provided with a first extending part which extends towards the substrate and is separated from the substrate. The second light shielding layer is located on the side wall of the first opening and is provided with a third opening located over the light detector. The second light shielding layer is connected to the first light shielding layer. The third light shielding layer is located on the dielectric layer and connected to the second light shielding layer. And the third shading layer is positioned right above the storage node.

The application provides an optical lens which is composed of eight lenses and sequentially comprises, along an optical axis from an object side to an imaging surface, a first lens with negative optical power, the object side of which is a convex surface and the image side of which is a concave surface; a second lens with negative optical power, the object side of which is a convex surface and the image side of which is a concave surface; a third lens with positive optical power, the object side of which is a convex surface; a fourth lens with negative optical power; a fifth lens with positive optical power; a sixth lens with negative optical power, the object side of which is a convex surface and the image side of which is a concave surface; a seventh lens with positive optical power, the object side of which is a convex surface; and an eighth lens with negative optical power. The optical lens provided by the application can improve the imaging quality of the optical lens, reduce aberration, improve the imaging quality of the optical lens, and make the lens have one or more advantages such as a large field of view, a large aperture, high imaging quality and the like.

The invention provides an optical lens group, an image capturing device and an electronic device. The optical lens group includes five lens elements including a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element from an object side to an image side. Each lens has an object-side surface facing the object side and an image-side surface facing the image side. The fourth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. When specific conditions are satisfied, miniaturization of the optical lens group can be maintained, and sensitivity of the optical lens group can be reduced.

The application provides an optical lens, which comprises six lenses in sequence along an optical axis from an object side to an imaging surface, and the six lenses comprise: a first lens with negative optical power, wherein the object side surface of the first lens is a concave surface, and the image side surface of the first lens is a convex surface; a second lens with positive optical power, wherein the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; a third lens with negative optical power, wherein the image side surface of the third lens is a concave surface; a fourth lens with positive optical power, wherein the object side surface and the image side surface of the fourth lens are both convex surfaces; a fifth lens with negative optical power; and a sixth lens with positive optical power. The optical lens provided by the application adopts six lenses with specific optical power, and through specific surface shape matching and reasonable optical power distribution, the imaging quality of the optical lens can be improved, the aberration can be reduced, and the imaging quality of the optical lens can be improved, so that the lens has one or more advantages such as a large target surface, a large aperture, high imaging quality and the like.

The present application relates to the field of near-field wavelet processing imaging technology, and particularly discloses a kind of multi-source air gun excited passive source near-field wavelet processing imaging method and device, the method comprises: through near-field detector, near-field wavelet data is collected, and near-field wavelet data is matched with navigation positioning data, the loading of observation system is completed. Again using the difference of each channel type of active source and passive source, passive source data is extracted. Again according to the development characteristics of near-field wavelet noise, key noise such as bubble direct wave is suppressed, the signal-to-noise ratio of data is improved and seabed shallow layer image is obtained, so as to fill the blank of domestic near-field wavelet imaging field, promote the development of near-field wavelet imaging processing technology, and lay a foundation for the standardization and standardization of multi-source near-field wavelet data processing flow.