Boe Technology Group Co., Ltd.

Beijing Boe Sensor Technology Co., Ltd.

Tsinghua University

Haoyang Zhang

Zhifeng Zhang

Chunnan Feng

Yunnan Jin

Wei Liu

Zheng Chen

Feng Qu

Zhe Chen

Shuo Yang

Liang Guo

Sihui Bao

Guohui Nan

Chuncheng Che

Fan Yang

He H Liu

Jie Zhou

Jiaqiang Wang

Jingjun Du

Lei Deng

Chuan Yu

Faliang Dai

An antenna includes a first substrate and a second substrate oppositely arranged; the first substrate includes: a first dielectric substrate having a first surface and a second surface oppositely arranged; a reference electrode layer on the first surface; at least one first radiation part on the second surface and having an orthographic projection on the first dielectric substrate at least partially overlapping that of the reference electrode layer; and at least one feeding structure on the second surface, electrically connected to the first radiation part, and having an orthographic projection on the first dielectric substrate at least partially overlapping that of the reference electrode layer; the second substrate includes: a second dielectric substrate opposite to the second surface; and at least one second radiation part on the second dielectric substrate, and each having an orthographic projection on the first surface within that of one first radiation part.

Antenna and communication system

A dual-polarized antenna and an electronic device, relates to the technical field of mobile communication. The dual-polarized antenna includes: a radiation unit including a first substrate and a radiation pattern disposed on a side of the first substrate; and a feed unit including a second substrate, wherein the second substrate is disposed on a side of the first substrate away from the radiation pattern; and the radiation unit is electrically connected to the feed unit. The present application provides a dual-polarized antenna with compact space, high structural stability and omni-directional coverage of signals on the horizontal plane by adopting a stacking structure.

Dual-polarized antenna and electronic device

An antenna is provided, and belongs to the field of communication technology and includes a first dielectric substrate, a first conductive layer, a second dielectric substrate, a second conductive layer, a third dielectric substrate and a conductive third layer which are sequentially stacked. The first conductive layer includes at least one first and second feed lines; the second conductive layer is provided with at least one first and second openings; the third conductive layer includes at least one first radiation part. Orthographic projections of any two of a first opening, a first feed line, a first radiation part corresponding to each on the other first dielectric substrate overlap with other; each an orthographic projection of a first radiation part on the first dielectric substrate intersects with that of each of a corresponding first and second feed lines on the first dielectric substrate.

Antenna and electronic device

An antenna according to an embodiment of the present disclosure includes a first substrate, the first substrate includes: a first base substrate; at least one first radiation unit on a side of the first base substrate; a first electrode layer on a side of the first base substrate away from the at least one first radiation unit; and at least one second radiation unit on a side of the at least one first radiation unit away from the first electrode layer; wherein an orthographic projection of each second radiation unit on the first base substrate at least partially overlaps an orthographic projection of one first radiation unit on the first base substrate; and an orthographic projection of the at least one first radiation unit on the first base substrate is within an orthographic projection of the first electrode layer on the first base substrate.

An transparent antenna includes a first substrate and a second substrate oppositely arranged; the first substrate includes: a first dielectric layer having a first surface and a second surface oppositely arranged; a reference electrode layer on the first surface; at least one first radiation part on the second surface and having a orthographic projection on the first surface at least partially overlapping an orthographic projection of the reference electrode layer on the first surface; at least one feeding structure on the second surface and feeding the first radiation part; the second substrate includes: a second dielectric layer having a third surface opposite to the second surface and a fourth surface oppositely arranged; at least one second radiation part on the fourth surface, an orthographic projection of each second radiation part on the first surface is within an orthographic projection of one first radiation part on the first surface.

Transparent antenna and communication system

The present disclosure provides a transparent antenna and a communication system, and belongs to the field of communication technology. The transparent antenna of the present disclosure includes: a first backplane and at least one radiating structure. The first backplane includes a first dielectric layer, a first electrode layer, a plurality of first transmission lines and a plurality of second transmission lines. The radiating structure includes a first antenna dielectric plate and a second antenna dielectric plate, where the first antenna dielectric plate includes a second dielectric layer, a first radiating element and a first balun feed structure. The second antenna dielectric plate includes a third dielectric layer, a second radiating element and a second balun feed structure.

A method and a system for calibrating a plurality of surveillance cameras are provided. The method includes: sampling a plurality of first images in a monitoring scene of the plurality of surveillance cameras by a sampling device and sampling a second image by each of the plurality of surveillance cameras; performing a feature matching on the plurality of first images to obtain a matching result between the plurality of first images; reconstructing a three-dimensional point set of the monitoring scene according to the matching result between the plurality first of images; and calculating parameters of each of the plurality of surveillance cameras according to the three-dimensional point set and the second image sampled by each of the plurality of surveillance cameras.

Method and system for calibrating surveillance cameras

Growing community of inventors

Beijing, China

Haoyang Zhang