Chinese translation for "宽带线性调频"
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- chir modulation
Related Translations:
宽带档: wideband frequency modulation 宽带变压器: wide-band transformer 宽带因特网: broadband internet 宽带处理单元: bpu broadband processing unit 宽带阻塞干扰: wide-band barrage jamming
- Example Sentences:
| 1. | It points out that the uwb signal can be reconnoitered efficiently with sub - sampling method . 3 说明了利用欠采样方法对超宽带线性调频信号侦察的可行性。 | | 2. | 2 . using two different sub - nyquist sampling frequencies , the uwb signal can be received ambiguously 2 、研究了一种基于双路欠采样的超宽带线性调频信号的参数估计方法。 | | 3. | In addition , based on fft and remainder algorithm , the modulation rate and initial frequency of sub - sampling uwb lfm signal are estimated unambiguously in negative snr 该方法通过fft和余数定理解频率模糊,解决了负信噪比条件下超宽带线性调频信号调制斜率和初始频率的估计问题。 | | 4. | ( 2 ) an analog - digital channelized receiver is given . two key techniques of this receiver , including how to achieve data conversion effectively and frequency estimation precisely , are introduced briefly . the change of channelized lfm signal is discussed 给出了一种目前可实现的模数混合信道化接收机方案,简要介绍这种接收机的关键技术? ?高效的数据率转换以及超宽带线性调频信号测频算法。 | | 5. | One new method that the uwb signal can be received ambiguously has been presented in this dissertation . furthermore , the sampling lfm signal becomes two sine signals with different frequencies based on two different delay processes . based on fft and remainder algorithm , the modulation rate and initial frequency of sub - sampling lfm signal are estimated precisely and unambiguously in negative snr 该方法通过在数字域对信号进行两路不同的延时和余数定理实现欠采样条件下超宽带线性调频信号的调制斜率和初始频率的无模糊估计,在不降低参数估计精度的前提下,解决了欠采样方法引起硬件复杂度增加的问题。 | | 6. | After comparing several analog and digital generation methods of lfm signal , this paper confirms the system scheme as direct digital synthesis plus quadrature modulation . combined with agilent arbitrary waveform generator and phasor signal generator , a generation system is established and a ultra - wideband signal , whose bandwidth is 1ghz and carrier frequency is 4ghz , is generated 通过对几种模拟与数字线性调频信号的产生方法的比较,本文采用了以直接数字波形合成( ddws )加正交调制的系统方案,并结合实际的仪器设备,产生了带宽为1ghz ,载频4ghz的超宽带线性调频信号。 | | 7. | Without deteriorating accuracy of estimated parameters , this method needs less hardware . 4 . based on esprit algorithm and remainder algorithm , the modulation rate and initial frequency of sub - sampling uwb lfm signal can be estimated unambiguously and precisely in a low snr background 4 、研究了一种基于欠采样和esprit算法的超宽带线性调频信号的调制斜率和初始频率的参数估计方法,把具有优越性能的esprit方法运用于欠采样条件下的超宽带线性调频信号的参数估计中。 | | 8. | The influence of high velocity has been analyzed and then the relative ways of compensation are introduced . from theory the influence of spinning motion which bring to the targets " one - dimension range - profile has been analyzed . the arithmetic of estimation of signal with polynomial phase is introduced and then spin compensation is realized 本文以宽带线性调频体制雷达为研究背景,以高速运动目标、自旋运动目标为研究对象,研究了高速运动对目标成像所造成的影响,提出了相应的补偿算法;理论分析了目标自旋对一维距离像的影响,引入多项式相位信号系数估计的算法,实现了目标旋转补偿。 | | 9. | It points out that the signal which is located on the edge of filter is changed but still keeps the characteristics of lfm signal , so traditional lfm signal parameter estimation algorithms can be used . ( 3 ) the effects of parameters of analog - digital channelized receiver on lfm signal parameters estimation are discussed ( 2 )对超宽带线性调频信号通过信道化之后的频谱结构变化进行了定性的分析,指出超宽带线性调频信号在通过信道化之后,其位于信道边缘的部分发生了较小变化,但仍具有线性调频信号特征。 |
- Similar Words:
- "宽带现象" Chinese translation, "宽带限幅器" Chinese translation, "宽带线路" Chinese translation, "宽带线路终点" Chinese translation, "宽带线路终端" Chinese translation, "宽带相干光调限制器" Chinese translation, "宽带相干光调制器" Chinese translation, "宽带蟹式可控震源" Chinese translation, "宽带薪酬设计" Chinese translation, "宽带信道" Chinese translation
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