Ku波段多路窄带信号相位检测与校准

doi:10.12305/j.issn.1001-506X.2026.03.03

系统工程与电子技术 ›› 2026, Vol. 48 ›› Issue (3): 758-769.doi: 10.12305/j.issn.1001-506X.2026.03.03

• 电子技术 • 上一篇

Ku波段多路窄带信号相位检测与校准

付凌峰¹^,²^,³, 肖国尧¹^,²^,³^,*, 唐嘉¹^,²^,³, 高理祥¹^,²^,³, 刘成¹^,²^,³, 全英汇¹^,²^,³

1. 西安电子科技大学信息力学与感知工程学院，陕西西安 710071
2. 陕西多源融合探测识别创新中心，陕西西安 710071
3. 西安市先进遥感重点实验室，陕西西安 710071

收稿日期:2024-12-26 出版日期:2026-03-25 发布日期:2026-04-13
通讯作者: 肖国尧
作者简介:付凌峰（2001—），男，硕士研究生，主要研究方向为电子通信、雷达信号处理
唐　嘉（2000—），男，硕士研究生，主要研究方向为宽带射频采集
高理祥（2000—），男，硕士研究生，主要研究方向为数字阵列雷达专用集成电路、数字信号处理阵列芯片
刘　成（1999—），男，硕士，主要研究方向为阵列信号处理、空时自适应处理
全英汇（1981—），男，教授，博士，主要研究方向为智能感知、敏捷雷达
基金资助:
国家自然科学基金重点项目（62331019）资助课题

Phase detection and calibration of multi-channel narrowband signals in Ku-band

Lingfeng FU¹^,²^,³, Guoyao XIAO¹^,²^,³^,*, Jia TANG¹^,²^,³, Lixiang GAO¹^,²^,³, Cheng LIU¹^,²^,³, Yinghui QUAN¹^,²^,³

1. School of Information Mechanics and Sensing Engineering，Xidian University，Xi’an 710071，China
2. Shaanxi Innovation Center for Multi-Source Fusion Detection and Recognition，Xi’an 710071，China
3. Xi’an Key Laboratory of Advanced Remote Sensing，Xi’an 710071，China

Received:2024-12-26 Online:2026-03-25 Published:2026-04-13
Contact: Guoyao XIAO

摘要/Abstract

摘要：

针对复杂电磁环境中多路信号相位失准导致通信质量恶化的问题，提出一种基于射频片上系统的Ku波段极窄带信号实时校准方法。系统通过设计可配置射频前端与数字补偿协同架构，结合时频域混合校正算法，采用多通道并行处理硬件结构，实现多路信号的同步处理与相位补偿，突破传统相位检测方法在处理窄带信号时的精度与实时性局限。实验结果表明，该系统在强干扰环境下可有效提升相位一致性，校准后相位误差控制在±0.02°，相较矢量网络分析仪校准方案的±0.1°最小误差，精度提升80%，校准后信号质量达到战术系统要求。

关键词: 射频片上系统, Ku波段, 极窄带信号, 相位检测, 多路同步

Abstract:

To address the issue of communication quality degradation caused by phase misalignment in multi-channel signals within complex electromagnetic environments, a real-time calibration method for Ku-band ultra-narrowband signals based on radio frequency system-on-chip is proposed. The system adopts a configurable radio frequency front-end and digital compensation collaborative architecture, combined with time-frequency domain hybrid correction algorithm, and adopts a multi-channel parallel processing hardware structure to achieve synchronous processing and phase compensation of multi-channel signals, breaking through the accuracy and real-time limitations of traditional phase detection methods in processing narrowband signals. The experimental results show that the system can effectively improve phase consistency in strong interference environments. After calibration, the phase error is controlled at ±0.02°, which is 80% higher than the minimum error of ±0.1° in the vector network analyzer calibration scheme. The signal quality after calibration meets the requirements of tactical systems.

Key words: radio frequency system-on-chip, Ku-band, extremely narrowband signal, phase detection, multi-channel synchronization

中图分类号:

TN 911.23

付凌峰, 肖国尧, 唐嘉, 高理祥, 刘成, 全英汇. Ku波段多路窄带信号相位检测与校准[J]. 系统工程与电子技术, 2026, 48(3): 758-769.

Lingfeng FU, Guoyao XIAO, Jia TANG, Lixiang GAO, Cheng LIU, Yinghui QUAN. Phase detection and calibration of multi-channel narrowband signals in Ku-band[J]. Systems Engineering and Electronics, 2026, 48(3): 758-769.

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指标	本系统	Keysight E5063A	R&S ZVA40
频率范围/GHz	12~18	0.01~18	0.01~24
信号带宽/MHz	>5	>10	>5
脉冲宽度/ns	>20	不适用	>100
相位分辨/（°）	0.01	0.1	0.02
多通道同步误差/ps	50	不适用	120

μ值	收敛时间/μs	稳态误差/（°）
0.002	42.3	0.004 7
0.05	24.7	0.006 1
0.10	18.2	0.008 3
0.20	12.5	0.014 9
0.30	9.8	0.023 6
0.50	发散	不适用

信号参数	取值
中心频率/GHz	14.35
脉冲带宽/MHZ	50
功率/dBm	3
脉冲脉宽/ns	20~2 000（可调）

资源	利用	可用	利用率/%
LUT	68 464	425 280	16.10
LUTRAM	29 313	213 600	13.72
FF	125 294	850 560	14.73
BRAM	375.50	1 080	34.77
DSP	1 014	4 272	23.74
IO	19	347	5.48
GT	4	16	25.00
BUFG	13	696	1.87
MMCM	2	8	25.00

资源	方法
资源	IQ混频法	FFT相位估计法	数字相关器法	CORDIC迭代法
LUT	12~15	18~22	10~12	25~30
FF	8~10	12~15	6~8	18~20
DSP	25~30	15~20	35~40	2~5
BRAM	5~8	20~25	3~5	8~10
典型特征	需要复数乘法器阵列	依赖FFT核和窗函数存储器	高DSP消耗，低控制复杂度	时间换空间， DSP利用率极低

Ku波段多路窄带信号相位检测与校准

Phase detection and calibration of multi-channel narrowband signals in Ku-band

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