中频相参,intermediate-frequency coherent
1)intermediate-frequency coherent中频相参
2)uncorrelated frequency agility非相参频率捷变
1.Auncorrelated frequency agility radar signal source is introduced in this paper,then it discuses on its design principle,presents design chart.介绍了非相参频率捷变雷达信号源,分析了频率控制电路的设计原理,并给出了设计实现框图。
3)distributed-concentrated parameter method分相集中参数法
1.For the evaporator and condenser,the models were established bydistributed-concentrated parameter method in each zone.根据系统各部件的特点,用分布参数法建立了太阳能集热器的动态参数模型,用分相集中参数法建立了冷凝器和蒸发器的数学模型,用集中参数法建立了压缩机和电子膨胀阀的数学模型,并给出了模型的求解方法,为下一步计算机仿真奠定了基础。
4)Digital middle frequency digital match correlator filter数字中频相关器
5)middle-high frequency components of phase errors中高频位相畸变
6)IF phase noise中频相位噪声
1.This paper presents an investigation of anIF phase noise reduction approach in W-band receiver front-end.本文研究了一种W波段接收机前端中频相位噪声降低方法。
英文短句/例句
1.Research on IF Phase Noise Cancellation in W-Band Receiver Front-EndW波段接收机前端中频相位噪声抵消技术研究
2.The Implementation Of Phase Noise Measurement Using a Spectrum Analyzer直接频谱仪法在相位噪声测试中应用
3.Analysis of Phase Noise in DDS直接数字频率合成器中的相位噪声分析
4.The Research on Phase Noise of the UHF RFID System超高频射频识别系统相位噪声的研究
5.By analyzing the phase noise and the reason of noise generating, the method about how to eliminate noise is proposed.通过分析相位噪声及环路噪声在频率合成器中出现的原因,给出了如何消除噪声的方法。
6.An X band Low Phase Noise Wideband Frequency SynthesizerX波段宽带低相位噪声混频锁相频率源
7.Simulation of Phase Noise Effecting on Stepped-frequency Radar System相位噪声对频率步进雷达的影响仿真
8.Analysis of Input Clock Phase Noise of Direct Digital Synthesizer直接数字频率合成器的相位噪声分析
9.Effect of Digital Frequency Dividers on Spurs and PM Noise in PLL锁相环中数字分频器对输出信号相位噪声和杂散的影响
10.The Influence to the FH System Caused by Phase Noise of Frequency Synthesizer频率合成器相位噪声对跳频通信系统的影响
11.Design of a Microwave Frequency-Hopping Synthesizer Based on Phase Noise Analysis基于相位噪声分析的微波跳频频率合成器设计
12.Research on effect of modulated noise jamming for multiple phase center azimuth multi-beam SAR imaging线性调频噪声对多相位中心多波束合成孔径雷达成像的影响研究
13.Research of Phase Noise Measurement System Based on Equivalent Phase Comparison Frequency基于等效鉴相频率的相位噪声测量系统的研究
14.Research on Reducing the Phase Noise of PLL Frequency Synthesizer降低锁相式频率合成器相位噪声方法研究
15.Phase Noise Analysis and Simulation of PLL Frequency Synthesizer锁相式频率合成器相位噪声分析与仿真
16.The Charge Pump"s Influence on Phase Noise of Fractional-N PLL电荷泵对小数分频锁相环相位噪声的影响
17.Analysis of Impact of Oscillator Phase Noise in Bistatic SAR频率源相位噪声对双站SAR性能影响分析
18.DFT Phase Estimation Algorithm and Noise Sensitive Frequency RegionDFT相位估计算法及噪声敏感频率问题分析
相关短句/例句
uncorrelated frequency agility非相参频率捷变
1.Auncorrelated frequency agility radar signal source is introduced in this paper,then it discuses on its design principle,presents design chart.介绍了非相参频率捷变雷达信号源,分析了频率控制电路的设计原理,并给出了设计实现框图。
3)distributed-concentrated parameter method分相集中参数法
1.For the evaporator and condenser,the models were established bydistributed-concentrated parameter method in each zone.根据系统各部件的特点,用分布参数法建立了太阳能集热器的动态参数模型,用分相集中参数法建立了冷凝器和蒸发器的数学模型,用集中参数法建立了压缩机和电子膨胀阀的数学模型,并给出了模型的求解方法,为下一步计算机仿真奠定了基础。
4)Digital middle frequency digital match correlator filter数字中频相关器
5)middle-high frequency components of phase errors中高频位相畸变
6)IF phase noise中频相位噪声
1.This paper presents an investigation of anIF phase noise reduction approach in W-band receiver front-end.本文研究了一种W波段接收机前端中频相位噪声降低方法。
延伸阅读
中频1.高于低频﹑低于高频的电磁振荡，其范围一般是10－550千周。在超外差式收音机中，由收音机本身产生的振荡和接收到的高频混合而取得中频。
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