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Abstract: In this paper, we study the application of wavelet transforming for target of step frequency MMW radar. 文摘:研究子波变换在频率步进毫米波雷达目标识别中的应用。
In this paper, we study the application of wavelet transforming for target of step frequency MMW radar. 研究子波变换在频率步进毫米波雷达目标识别中的应用。
Operating in the heavy congested SW band, HF radars use a quasi-random step frequency signal to avoid the interference bands. 高频雷达工作在电磁环境十分恶劣的短波段,为避开干扰严重的频段,采用一种准随机跳频信号。
This paper studied the extraction of the pitch and yaw angular errors of the line-of-sight to seeker-axis under the function of MMW step frequency target identification. 本文研究毫米波频率步进目标辨识功能下获取弹目线相对于导引头轴的俯仰及偏航角误差的实现方法。
This paper studies how to detect the moving targets on the land and sea surface in the background of clutters by using pulse-pulse step frequency radar. 研究了用脉间步进频率雷达对杂波背景噪声下地面或海面动目标的探测。
LFM-Costas stepped frequency radar (SFR) signal is an important radar signal. 线性调频 Costas频率步进雷达信号是一种很有研究价值的雷达信号。
The first aspect includes movement phases divisions, time features of each movement phase, distance analysis of each movement phase in motion, and the discussion on the connection among step length, step frequency and pace, etc. 其中对动作时相分析中包括动作时相的划分、各动作时相的时间特征、各动作时相滑行的距离分析以及对步长、步频和步速相关关系的讨论;
Based on the target specific information offered by the range profiles of step frequency MMW radar targets, the wavelet neural network is applied to recognition of three kinds of practical radar targets. 根据毫米波频率步进雷达目标一维距离像所给出的信息 ,将所提出的小波神经网络用于 3种实际雷达目标的识别。
Because the work frequency is close to the first step frequency, Wo have to optimize the cross-beam of machine body and carriage to increase the first step frequency and avoide sympathetic vibration. 由于工作频率和第一阶模态频率相接近,需要对床身大梁与拖板进行优化,提高一阶频率,避开共振。
The factors affecting the range of complete fluidic sprinkler are inlet press, sprinkler elevation, sectional area, rotate speed, step frequency, pipe length, and signal junction depth. 摘要：对影响全射流喷头射程的因素（包括喷头工作压力、仰角、过流面积、喷头转速、步进频率、导管长度、信号嘴插拔深度等）分别进行了分析，探讨了各因素对射程影响规律，其中喷头工作压力、过流面积与喷头的射程成正比关系；
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。
In part two, a broad band RCS measurement system, called stepped frequency CW system, is demonstrated. 第二部分着重介绍了一种宽带RCS测试系统，即频率步进RCS测试系统。
The millimeter wave (MMW) Inter-pulse stepped frequency radar is a type of wide-band high-range-resolution radar. 毫米波脉冲频率步进雷达是一种宽带高距离分辨率雷达。
He bounced into the room with a springy step. 他以轻快的跑步跳进房间。
The frequency synthesizer is the core device of MMW inter-pulse stepped frequency radar, and its performance has great effects on radar system. 频率合成器是毫米波脉冲频率步进雷达的核心部件,其性能指标的优劣对整个雷达系统有较大的影响。
Liu Zheng, Zhang Shouhong.Estimation of target motion parameter in a stepped frequency pulses radar [J].Acta Electronica Sinica, 2000, 28 (5): 43-45. [5]刘峥;张守宏.;步进频率雷达目标的运动参数估计[J]
I hope my ideas are in step with public opinion. 我希望我的想法跟公众舆论是一致的。
She runs up the stairs with a light graceful step. 她以轻快优雅的步子奔上楼去。
I hope you try to get them to step up production. 希望你们尽力使厂家增加生产。