Unlock instant, AI-driven research and patent intelligence for your innovation.

A method for implementing a unified clock domain based on a transponder integrated with measurement, control and data transmission

An implementation method and transponder technology, applied in the field of satellite-to-ground measurement and control, can solve problems such as the inability to meet the measurement accuracy requirements of a multi-mode measurement system, and achieve the effects of increasing flexibility and diversity, improving recognition probability, and increasing stability.

Active Publication Date: 2017-07-28
XIAN INSTITUE OF SPACE RADIO TECH
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Previous approaches to clock domain design cannot meet measurement accuracy requirements in multimode measurement systems

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
  • A method for implementing a unified clock domain based on a transponder integrated with measurement, control and data transmission
  • A method for implementing a unified clock domain based on a transponder integrated with measurement, control and data transmission
  • A method for implementing a unified clock domain based on a transponder integrated with measurement, control and data transmission

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] Basic train of thought of the present invention: this method has realized the content of following aspects: (1) spread spectrum clock clkkp, K 1 Data transmission clock clkk1 at bps rate, K 1 The clock phase of the data transmission clock clkk2 at the bps rate is stable before and after the downlink data transmission mode is switched; (2) In the spread spectrum mode, the phase of the spread spectrum clock clkkp and the local measurement second pulse Pulse_2pps is kept stable; (3) In the high-speed data transmission mode: a.K 1 When the bps rate is used, clkk1 and the local measurement second pulse Pulse_2pps keep phase stability; when framing, the framing clock clkk3 is consistent with the initial moment of the local 1s pulse Pulse_1s. b.K 2 At the bps rate, clkk2 and the local measurement second pulse Pulse_2pps keep phase stability; when framing, the framing clock clkk4 is consistent with the starting time of the local 1s pulse Pulse_1s.

[0044] Specific embodiment...

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

No PUM Login to View More

Abstract

A unified clock domain implementation method for transponders based on measurement, control and digital transmission integration, implemented in FPGA, using all-digital homologous design, using instruction recognition and control, reset control, integer frequency division counters, high-precision accumulation registers and timing clearing The combination of zero and irregular clearing produces the spread spectrum transmission mode clock clkkp, the high-speed data transmission mode clock clkk1, the high-speed data transmission mode clock clkk2, and the high-speed data transmission rate K 1 bps mode and K 2 The clocks clkk3 and clkk4 used for framing in bps mode realize the integrated fusion design of fully digital high-speed data and measurement and control signals, ensuring measurement accuracy.

Description

technical field [0001] The invention discloses a method for realizing a unified clock domain of an integrated transponder based on measurement, control and data transmission, which is a key technology for realizing integrated satellite-ground measurement and control, and belongs to the technical field of satellite-ground measurement and control. Background technique [0002] The existing digital transponder for satellite-to-earth measurement and control has many functions such as pseudo-code ranging, carrier Doppler speed measurement, data information processing and transmission. A unidirectional carrier pseudo-Doppler implementation. The downlink measurement signal adopts a measurement frame structure, and the downlink measurement frame modulates the state information of the spread spectrum transponder, the uplink pseudo-range, pseudo-Doppler measurement information, etc. With the rapid development of satellite applications in my country, the requirements for satellite ant...

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
Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185H04L7/00H03K3/02
Inventor 吕晶晶赵鸿孙重磊杨瑜波聂少军
Owner XIAN INSTITUE OF SPACE RADIO TECH