您要查找的是不是：
- stepped frequency pulse signal 步进频脉冲信号
- Stepped Frequency Pulse Radio Fuze 频率步进脉冲无线电引信技术研究
- 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]
- The Hardware - Based Automatic Recognition for Low Frequency Pulse Signal 低频信号脉冲的硬件自动识别
- Application of isolated driving circuits of variable frequency pulse signal in field-controlled power devices 场控功率器件变频信号隔离式驱动电路应用
- 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。
- 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。
- As a special case,the effect of rectangular envelope edge of pulse signal on intermediate frequency sampling is carefully studied. 作为一种特例 ,详细研究了简单脉冲信号矩形包络边沿对镜频抑制的影响 ;
- Compared with the performance of normalized single pulse signal and linear frequency modulation signal (LFM), a new method is presented. 摘要从归一化的单脉冲信号和LFM信号性能比较分析入手，提出了一种新的分析方法。
- Owing to the phenomenon of "target splitting" of multi-scatter motion target range profile of the stepped frequency signal, it brings difficulties in target identification. 频率步进信号对运动的多散射体目标成像时会出现“目标分裂”现象,给目标识别带来困难。
- The Effect of the Load end Decoupling Capacitor on the Wave Form and Frequency Spectrum of the Pulse Signal from Source to Load - The FFT Approximation Method. 时脉讯号由电源至负载因负载端去耦合电容对讯号之波形与频谱之改变-快速富氏近似法。
- For general exploringobjects requirement, narrow pulse signal with tens millimicro second to millimicrosecond has the frequency spectrum from DC to thousands MHz. 按照对地目标探测的一般需要,通常采用纳秒到十纳秒量级的电磁探测窄脉冲,信号频谱具有从直流低频直到千兆赫兹的宽带。
- 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。
- The high frequency pulse 50-100/sec is known as dense wave, the low frequency pulse 2-5/sec termed as rarefaction wave. 频率快的叫密波（高频），一般在50-100次/秒，频率慢的叫疏波（低频），一般在2-5次/秒。
- After equilibrium and regeneration, the current pulse signal reverts to standard digital pulse signal. 经过均衡和再生后,转变成标准的数字脉冲信号。
- 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。
- Due care must be taken to ensure that the pulse signal itself shall allow no irregularities and no interruptions. 应注意保证脉冲信号本身不出现不规则现象和中断现象。必要的反译变通可使译文简练、明了。
- 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。
- Also air bladder and sand contained in mud, type of mud affect attenuation of mud pulse signal. 钻井深度、泥浆中的气泡量、含砂量和泥浆类型对信号衰减有一定的影响。
