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- zero frequency signaling 零频信号方式
- Based on the clump intensity index, regressive analysis method and zero frequency method, the spatial distribution pattern of Latori bicolor (Walker) larvae was studied. 应用聚集度指标法、回归分析法、零频率方法对两色绿刺蛾幼虫在毛竹林间的分布型进行测定。
- Zero intermediate frequency signal 零中频信号
- Recent empirical studies suggest that many observed financial time series have a slowly declining correlogram or, equivalently, have an infinite spectrum at zero frequency. 近来的实证研究发现许多观察到的金融时间序列具有缓慢减少的相关系数或者等价地在0频率下具有无限频谱，这种性质被称为长期记忆性。
- 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。
- By use of the aggregation indexes method, regressive model analysis method and zero frequency method, the spatial distribution patterns of Apriona germari (Hope) larva were studied. 运用聚集度指标、回归模型、零频率等方法对福建闽北地区杨树粒肩天牛幼虫的空间格局进行测定。
- High quality REC of video frequency signal and big area communion of video frequency resources are the important parts of Instruction Multimedia Resources. 其中,视频信号的高质量录制、视频资源的大范围共享,是多媒体教学资源建设的重要组成部分,成为教育界所关注的重点。
- The DFT phase detection method can take out frequency, phase and magnitude of the base frequency signal from a random synchronization signal. 离散傅里叶变换可以从任意信号中抽取基准频率倍频次信号的相位、频率和幅值,可以解决谐波对外同步信号的影响,从而实现周期控制锁相环对谐波的识别。
- It is during these hours when the transmitter was implanted, and when, I awoke I had a searing high frequency signal at about 100 db in my skull. 在这几小时的时间里，芯片在那时被植入，并且在那我醒过来的时候，在我的头骨里，有一种大约在100分贝的灼热的高频信号。
- 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。
- Can be output voltage, current, millivolt, frequency signal output of 24V DC power distribution circuit to provide power for the transmitter. 可输出电压、电流、毫伏、频率等信号24V DC配电输出为变送器提供回路电源。
- 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；
- The high frequency signal can be decomposed, and the frequency field can be divided into tinier ones with the emerging of wavelet packets. 摘要小波包的方法能对高频信号进行小波分解，给出了频域带更精细的划分。
- direct current zero frequency drift 直流零漂
- In the data process the measured complex time signal is converted into frequency signal by DFT to get vibration information regarding frequency and amplitude of the rotor. 在数据处理中,对所得到的复杂时域振动信号进行了离散傅里叶变换(DFT),从而在频率域获得了转子的振动频率和振幅信息。
- The mercury dived to ten below zero. 温度突然下降到零下10度。
- It is an important application of superconducting devices to achieve the spectral information of high frequency signal by using the Josephson junctions. 摘要利用约瑟夫森效应获取电磁信号的频谱信息是超导电子学的重要应用之一。
