English translation for "子脉冲"
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- subpulse
- Example Sentences:
| 1. | Hereby , this dissertation present system project with chirp - subpulse stepped frequency signal in 据此,提出了chirp子脉冲频率步进信号在低空动目标检测应用中的系统实现方案。 | | 2. | In order to obtain high range resolution , the chirp signal is used as subpulse to form stepped frequency modulated radar signal 摘要为了获得高距离分辨率,将线性调频信号作为子脉冲构成调频步进雷达信号。 | | 3. | Chirp - subpulse stepped frequency signal is one of the high distance resolution signals with merits of stepped - frequency signal and chirp signal Chirp子脉冲频率步进信号兼有频率步进信号和线性调频信号的优点,是一种高距离分辨力信号。 | | 4. | This dissertation analyses problems of profile aliasing and redundance in chirp - subpulse stepped frequency signal , points out that these problems are resulted from different parameters of chirp - subpulse stepped frequency signal 还对chirp子脉冲频率步进信号中距离像的混叠和冗余问题进行了分析,指出这些现象是chirp子脉冲频率步进信号对不同参数的选取引起的。 | | 5. | This dissertation summarizes the method to select parameters of chirp - subpulse stepped frequency signal , presents a method to resolve profile aliasing and redundance in chirp - subpulse stepped frequency signal by the target pick - up algorithm and selecting parameters 文中总结了chirp子脉冲频率步进信号参数选取的方法,提出了采用参数选取和目标抽取相结合的方法来解决chirp子脉冲频率步进信号中距离像的混叠和冗余问题。 | | 6. | First , this dissertation analyses the waveform of chirp - subpulse stepped frequency signal , studies and simulates the ambiguity characteristics , the spectrum structure and the basic process to obtain high resolution range profiles , and discuss this signal ’ s high range resolution characteristic and wide spectrum characteristic 首先,本文对chirp子脉冲频率步进信号进行了波形分析,研究了chirp子脉冲频率步进信号的模糊特性、频谱结构以及合成高分辨距离像的基本过程,讨论了chirp子脉冲频率步进信号的高距离分辨力和宽带频谱特性。 | | 7. | Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest . the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function . and the mismatch - phase sequence is corresponding with the frequency sequence one by one 而频率编码为不均匀分布,由所观测目标的频谱信息提取出概率密度函数决定频率编码序列的分布;相位编码为二元的伪随机序列,采取均匀的二相编码,消减同频脉冲带来的过高的相关函数的旁瓣;而失配相位为与频率编码相一一对应于各子脉冲中。 | | 8. | Secondly , based on the analysis and simulations of the doppler time - shift for chirp - subpulse stepped frequency signal , this dissertation analyses the velocity compensation method for moving targets in chirp - subpulse stepped frequency signal , and presents a method for compensation of targets ’ velocity base on the least burst error rule 其次,本文对chirp子脉冲频率步进信号的多普勒效应进行了分析和仿真,在此基础上,分析了对其进行运动补偿的思路,提出了采用最小脉组误差准则进行运动补偿的方法。 | | 9. | The above waveforms discussed are to synthesize the wb or uwb with narrow band pulses . assuming the transmitting uwb linear frequency modulation ( chirp ) , dechirp processing is introduced , and the method involved to obtain high resolution by reducing the if bandwidth is presented . furthermore , dechirp processing used to sar imaging is discussed , and the processing steps are described < wp = 4 >以上研究的两种信号形式都是通过窄带子脉冲串相参合成的方法来获得超宽带回波信号,本文还探讨了去斜率( dechirp或stretch )方法,分析了去斜率降低接收机中频带宽、 fft获得目标一维距离像的原理,并探讨了线性调频去斜率合成孔径雷达成像,给出了具体实现步骤。 | | 10. | This dissertation analyses the characteristics of chirp - subpulse stepped frequency signal , and analyses and resolves kinds of problems in chirp - subpulse stepped frequency signal . this dissertation studies the use of chirp - subpulse stepped frequency signal in low altitude moving target , and studies and provides theoretical basis for practical application of chirp - subpulse stepped frequency signal and processing techniques 本文对chirp子脉冲频率步进信号特性进行了研究,并对研究过程中出现的各种问题进行了分析并提出了解决方案;同时,对chirp子脉冲频率步进信号在低空动目标检测领域的应用进行了研究,为chirp子脉冲频率步进信号的实际应用提供了理论依据。 |
- Similar Words:
- "子罗盘" English translation, "子逻辑" English translation, "子逻辑动态冒险" English translation, "子络" English translation, "子码" English translation, "子满" English translation, "子满果" English translation, "子猫物语" English translation, "子锚" English translation, "子门" English translation
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