数字移相器 meaning in English
dps digital phase shifter
Examples
- Analysis of the design theory and theoretic phase - error are carried out in this paper . based on the design results , the circuit design , assembling and testing are given as well , and samples pass the verification of fifth graduate school
本文对高通/低通滤波器型移相器设计原理和理论相位误差进行了分析,并根据设计结果,对中频宽带五位数字移相器进行了电路的设计、制作与测试,样品通过了电子5所的新品检验。 - Finally , the phase shifter is fabricated and tested . the measured results show that : within the frequency band of 15ghz 100mhz , for the 64 phase states , the insertion loss of the phase shifter is lower than 6db , the imbalance of scope is lower than 0 . 9db , the input / output vswr is lower than 1 . 92
测试结果表明:在15ghz 100mhz频率范围内, ku波段六位数字移相器的所有相移位( 64个)的插入损耗都小于6db ,幅度不平衡小于0 . 9db ,输入端和输出端的驻波比也都小于1 . 92 。 - Finally , it takes a detailed test to the processed millimeter 4 - bit digital phase shifter . the test result is better than expectant guideline : the maximum of the phase error is 10 , the insertion loss is better than 10 . 74db , the return loss is more than - 14 . 88db in the 33 . 9ghz 34 . 5ghz frequency band . the whole volume of the phase shifter is 80mm 35mm 20mm
最后,对加工出的毫米波四位数字移相器进行了测试,测试结果完全达到了预定指标要求:在所要求的33 . 9ghz 34 . 5ghz频带内,最大相移误差小于10 ,插入损耗小于10 . 74db ,输入输出回波损耗大于- 14 . 88db ,整个电路尺寸为80mm 35mm 20mm 。 - The research of this paper is much practical . this dissertation discusses the work principles of several digital phase shifters respectively , and describes their characteristics . based on this , the milimeter 4 - bit digital phase shifter is designed by using different circuit format with 71 main line microstrip , incorporating the guideline and the level of process
在此基础上,结合所给的指标要求和实际的加工工艺水平,采用71的微带线作为移相器的主线,四位移相位采用了不同的电路形式,针对大移相位相位精度误差大的缺陷对传统的反射型移相器电路进行了改善,设计出了毫米波四位数字移相器。 - For the 32 phase states , within the frequency band of 60mhz 10mhz , the insertion loss of the phase shifter is lower than 2 . 3db , the imbalance of scope is lower than 0 . 3db , the phase error is better than 3 . 3 degree , the input / output vswr is lower than 1 . 7 . physical dimension is 40mmx30mmx20mm
实测结果表明:中频宽带五位数字移相器在60mhz 10mhz频率范围内, 32个相位状态的插入损耗都低于2 . 3db ,幅度不平衡小于0 . 3db ,相位误差小于3 . 3度,输入和输出电压驻波比都小于1 . 7 。