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- 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。
- Analysis of the step frequency signal 步进频率信号分析
- 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。
- DESIGNING AND PROCESSING FOR STOCHASTIC SEQUENCE STEP FREQUENCY SIGNAL 随机序列步进频率信号及其处理
- MAXIMUM SIDELOBE SUPPRESSION FOR QUASI-RANDOM STEP FREQUENCY SIGNAL AND ITS NEURAL NETWORK IMPLEMENTATION 准随机跳频信号最大旁瓣抑制及其神经网络实现
- Processing of Step Frequency Signal in a High Frequency Ground Wave Over-the-Horizon Radar 基于脉间频率步进信号的高频地波雷达回波信号处理
- TARGET IMAGING IN STRONG GROUND CLUTTER WITH STEPPED FREQUENCY SIGNAL 强地杂波背景下的步进频率信号雷达成像方法
- step frequency signal 步进频率信号
- Phase Cancellation for Synthesizing Range Profiles of a Moving Target via Stepped Frequency Signal 步进频率信号相位对消合成运动目标距离像
- A Velocity Compensation for Chirp-subpulse Stepped Frequency Signal in Strong Ground Clutter 强地杂波背景下Chirp步进信号的运动补偿
- 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 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；
- 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。
- Stepped frequency signal 频率步进信号
- 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。
- The readout principle and test method of high frequency signal of CD are introduced. 介绍了CD光盘的高频(HF)信号的读取原理和测试方法。
- The match strobe gate is presented to improve the measurement precision of low frequency signal. 文中提出使用匹配选通门提高低频信号频率测量精度。
- The output of common ultralow frequency signal generator has only a few fixed waveforms which can not be changed. 常用超低频信号发生器的输出只有几种固定的波形,不能更改。
- 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。
- Can control audio frequency signals remotely，the volume can be modulated. 可对各路音频信号进行远程操控，音量可调；
