Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Ultra-wideband laser communication and ranging integration device and method

A laser communication and ultra-wideband signal technology, applied in the fields of laser communication and laser ranging, can solve the problems of the integrated technology of laser communication and ranging that cannot meet the problems of large-capacity communication, high-precision ranging, and lower average transmit power, and achieves a reduction in Average transmit power, improved laser ranging accuracy, and high spectrum utilization

Inactive Publication Date: 2019-06-25
北京跟踪与通信技术研究所 +1
View PDF4 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing laser communication and ranging integration technology cannot meet the needs of large-capacity communication and high-precision ranging, and to provide an ultra-wideband laser communication and ranging integration device and method, which can directly transmit Nanosecond-level ultra-narrow pulse, this method can increase the data transmission rate, improve the accuracy of real-time ranging, and reduce the average transmission power

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Ultra-wideband laser communication and ranging integration device and method
  • Ultra-wideband laser communication and ranging integration device and method
  • Ultra-wideband laser communication and ranging integration device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Such as figure 1 As shown, an integrated ultra-wideband laser communication ranging device disclosed in this embodiment includes a host computer display and control module, an ultra-wideband signal generation module, an uplink laser emitting component, an uplink laser receiving component, an uplink signal acquisition and clock recovery module, signal forwarding module, downlink laser emitting component, downlink laser receiving component, downlink signal acquisition and capture tracking module, ranging information processing module, communication demodulation module. The upper computer display and control module are respectively connected to the ultra-wideband signal generation module, the distance measurement information processing module and the communication demodulation module. Acquisition and clock recovery module, the uplink signal acquisition and clock recovery module is connected to the signal forwarding module, the signal forwarding module is connected to the d...

Embodiment 2

[0073] Taking the integrated laser communication ranging system with 16 time slots-pulse position modulation mode, 5GHz signal bandwidth, 20ns pulse width, and optical wavelength of 1550nm as an example, the specific implementation process of the present invention will be described.

[0074] Such as Figure 5 As shown, based on the integrated device for ultra-wideband laser communication ranging, this embodiment also discloses an integrated method for ultra-wideband laser communication ranging. The specific implementation steps are as follows:

[0075] Step 1. Under the control of the host computer, the ultra-wideband signal generation module of the main measuring terminal generates a time-division multiplexing frame composed of a ranging frame header and communication data, and performs 16 time slot-pulse position modulation to generate a signal bandwidth of 5 GHz, pulse Ultra-wideband uplink electrical signal A with a width of 20ns, and the start time for the main measuring ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Wavelengthaaaaaaaaaa
Login to View More

Abstract

The invention discloses an ultra-wideband laser communication and ranging integration device and method, which belong to the technical field of laser communication and laser ranging. The device comprises a host computer display and control module, an ultra-wideband signal generating module, an uplink laser emitting assembly, an uplink laser receiving assembly, an uplink signal collecting and clockrecovery module, a signal forwarding module, a downlink laser emitting assembly, a downlink laser receiving assembly, a downlink signal collecting and capture tracking module, a ranging information processing module and a communication demodulation module. Based on a pulse position modulation mode, the relative position of the pulse is used to transmit the communication data, sinusoidal carriersare not needed, ultra-narrow pulses of a nanosecond level are directly emitted, the spectrum utilization rate is high, the extremely narrow pulse width can obtain high time resolution, and the laser ranging precision can be improved obviously. The average emitting power can also be effectively reduced, and the device and the method are applied to ultra-long-range deep space detection laser communication and ranging integration.

Description

technical field [0001] The invention relates to an ultra-broadband laser communication ranging integration device and method, and belongs to the technical field of laser communication and laser ranging. Background technique [0002] The integrated system of laser communication and ranging refers to the use of laser as an information carrier to combine space laser communication technology with laser ranging technology to realize mutual communication between ground stations and aircraft (such as satellites, deep space probes, etc.) and to accurately measure The integrated system of aircraft trajectory has huge potential benefits and broad application prospects in the fields of satellite communication and deep space exploration in the future. [0003] The existing integrated system of narrowband laser communication ranging is based on the on-off keying modulation method, and the information is represented by the presence or absence of the optical signal within each bit time. Th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01S17/08
Inventor 朱宏权邢强林雷呈强李希宇林玉洁韩航程马永锋刘家豪
Owner 北京跟踪与通信技术研究所
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com