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- frequency modulated audio tone 调频音调
- In this paper,direct platemaking technology is briefed,frequency modulated half tone dot technology (principles,characters and technologics) is emphasized. 本文简述了直接制版技术，着重叙述了调频网点技术，包括原理、特点及技术。
- Whenever the audio tone of the detector sounded , a diver would mark the spot with a white cork float and return later to excavate it. 一旦探测器发出音频信号，潜水员就用软木浮标作上标记，待稍后进行挖掘。
- The system acquired the distance information of obstacles as well as the power of reflected ultrasonic, and informs the blind with modulated audio signal. 我们获得障碍物的距离信息和超声回波的强度信息,进行音频调制,向盲人提供更加丰富的信息。
- Whenever the audio tone of the detector sounded ,a diver would mark the spot with a white cork float and return later to excavate it. 一旦探测器发出音频信号，潜水员就用软木浮标作上标记，待稍后进行挖掘。
- Whenever the audio tone of the detector sounded, a diver would mark the spot with a white cork float and return later to excavate it. 一旦探测器发出音频信号，潜水员就用软木浮标作上标记，待稍后进行挖掘。
- 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 order to obtain enough bandwidth,HF radars use an irregularly frequency modulated waveform. 为了获得足够的带宽，雷达采用一种非规则频率调制的波形。
- The Linear Frequency Modulated（LFM） signal is a popular pulse compression radar signal. 摘要 线性调频信号是雷达中常采用的一种脉冲压缩信号。
- Stepless frequency modulated speed,low noise,low vibration driving and smooth running. 速度无级调速，低噪音，低振动传动，运行平稳。
- The motion picture on the videodisk is encoded as frequency modulation, and the audio signal is mixed with the video signal. 视频盘上的视频信号以调频方式编码，音频信号混入视频信号中。
- This paper puts forward the signals transmission method combining the MSK technique with the radio technique of frequency modulated ultra-short waves. 文章提出了采用最小频移键控(MSK)技术与调频超短波无线电技术相结合传输信号的方法。
- This paper puts forward the signals transmission method combining the MSK technique with the radio technique of frequency modulated ultra short waves. 文章提出了采用最小频移键控 (MSK)技术与调频超短波无线电技术相结合传输信号的方法。
- Frequency modulation does not allow static to creep in. 频率调制不允许静电干扰混入。
- There is a growing interest in the Frequency Modulated Continuous Wave (FM-CW) SAR for its small cubage, light weight, cost-effective and high resolution. 调频连续波(FM-CW)合成孔径雷达因其体积小、重量轻、低成本及分辨率高等特点越来越受到关注。
- Frequency modulation is not possible with polychromatic light. 多色光不可能调制频率。
- A microvibration sensor based on the optical feedback effect in a direct frequency modulated laser diode is developed for optical detection of muscle vibration. 摘要为了实现肌肉震颤的光学探测，本文设计并研制了一套基于光反馈效应的直接频率调制激光二极管微振动传感器。
- In the FMCW(frequency modulated continuous wave) liquid level measuring system,the key to measure the distance is to detect the frequency of the sinusoidal echo beat signal. 在FMCW(调频连续波)微波液位测量系统中,回波差拍正弦信号的频率检测是实现距离测量的关键。
- There is a growing interest in the frequency modulated continuous wave(FM-CW) SAR for its advantages such as small cubage,light weight,cost-effective and high resolution. 调频连续波(FM-CW)合成孔径雷达因其体积小、重量轻、成本低及分辨率高等特点越来越受到关注。
- The analysis and simulation for Linear Frequency Modulated (LFM) pulse compression signal of radar, it is very significant in the field of radar signal simulation. 摘要对雷达线性调频脉冲压缩信号进行分析以及仿真，在雷达信号模拟领域中是非常重要的。
