现代电子技术
現代電子技術
현대전자기술
MODERN ELECTRONICS TECHNIQUE
2013年
19期
73-76
,共4页
苏翔%傅其祥%李永祯%王伟
囌翔%傅其祥%李永禎%王偉
소상%부기상%리영정%왕위
FPGA%DDS%极化雷达%雷达校准信号源
FPGA%DDS%極化雷達%雷達校準信號源
FPGA%DDS%겁화뢰체%뢰체교준신호원
FPGA%DDS%polarizing radar%radar calibration signal source
为了校准极化雷达的接收通道,设计并实现了一种基于DDS软件编程技术的极化雷达校准信号源系统。给出了主要的硬件电路和软件设计方案。该系统将FPGA技术与DDS技术结合,在FPGA内部软件编程实现改进的DDS模块,充分利用了FPGA作为大规模芯片的资源优势和高速运算能力。系统能够产生高精度且稳定的任意雷达校准信号,可满足极化雷达标校的应用。
為瞭校準極化雷達的接收通道,設計併實現瞭一種基于DDS軟件編程技術的極化雷達校準信號源繫統。給齣瞭主要的硬件電路和軟件設計方案。該繫統將FPGA技術與DDS技術結閤,在FPGA內部軟件編程實現改進的DDS模塊,充分利用瞭FPGA作為大規模芯片的資源優勢和高速運算能力。繫統能夠產生高精度且穩定的任意雷達校準信號,可滿足極化雷達標校的應用。
위료교준겁화뢰체적접수통도,설계병실현료일충기우DDS연건편정기술적겁화뢰체교준신호원계통。급출료주요적경건전로화연건설계방안。해계통장FPGA기술여DDS기술결합,재FPGA내부연건편정실현개진적DDS모괴,충분이용료FPGA작위대규모심편적자원우세화고속운산능력。계통능구산생고정도차은정적임의뢰체교준신호,가만족겁화뢰체표교적응용。
In order to calibrate the reception channel of polarizing radar,a polarizing radar calibration signal source system is designed and implemented based on DDS software programming technology. The main hardware circuit and software design scheme is provided. FPGA is combined with DDS technology,and the DDS module is improved by software programming inside FPGA. The resources superiority and high speed operation capability of FPGA as large-scale chip are fully utilized. This system can produce high precise and stable arbitrary radar calibration signal,and can satisfy the requirement of the polarizing radar calibration application.