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- frequency modulated altimeter 調頻高度計
- In order to obtain high range resolution, the Chirp signal is used as subpulse to form stepped frequency modulated radar signal. 摘要為了獲得高距離解析度，將線性調頻信號作為子脈衝構成調頻步進雷達信號。
- In order to obtain enough bandwidth,HF radars use an irregularly frequency modulated waveform. 為了獲得足夠的帶寬，雷達採用一種非規則頻率調製的波形。
- The Linear Frequency Modulated（LFM） signal is a popular pulse compression radar signal. 摘要 線性調頻信號是雷達中常採用的一種脈衝壓縮信號。
- Stepless frequency modulated speed,low noise,low vibration driving and smooth running. 速度無級調速，低噪音，低振動傳動，運行平穩。
- This paper puts forward the signals transmission method combining the MSK technique with the radio technique of frequency modulated ultra-short waves. 文章提出了採用最小頻移鍵控(MSK)技術與調頻超短波無線電技術相結合傳輸信號的方法。
- This paper puts forward the signals transmission method combining the MSK technique with the radio technique of frequency modulated ultra short waves. 文章提出了採用最小頻移鍵控 (MSK)技術與調頻超短波無線電技術相結合傳輸信號的方法。
- Frequency modulation does not allow static to creep in. 頻率調製不允許靜電干擾混入。
- 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. 調頻連續波(FM-CW)合成孔徑雷達因其體積小、重量輕、低成本及解析度高等特點越來越受到關注。
- A microvibration sensor based on the optical feedback effect in a direct frequency modulated laser diode is developed for optical detection of muscle vibration. 摘要為了實現肌肉震顫的光學探測，本文設計並研製了一套基於光反饋效應的直接頻率調製激光二極體微振動感測器。
- 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(調頻連續波)微波液位測量系統中,回波差拍正弦信號的頻率檢測是實現距離測量的關鍵。
- Frequency modulation is not possible with polychromatic light. 多色光不可能調製頻率。
- 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. 調頻連續波(FM-CW)合成孔徑雷達因其體積小、重量輕、成本低及解析度高等特點越來越受到關注。
- 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. 摘要對雷達線性調頻脈衝壓縮信號進行分析以及模擬，在雷達信號模擬領域中是非常重要的。
- In this paper,direct platemaking technology is briefed,frequency modulated half tone dot technology (principles,characters and technologics) is emphasized. 本文簡述了直接製版技術，著重敘述了調頻網點技術，包括原理、特點及技術。
- The linearity of the FMCW signal is an important index to appraise the frequency modulated source.It determines the radar range resolution in the system of radar range. 線性調頻連續波(FMCW)信號的線性度是衡量線性調頻源質量的一個重要指標，在雷達測距系統中，它決定著雷達的距離解析度。
- Finally, the ARM echo is integrated by linear frequency modulated matched filter.We got some valuable conclusion by analyzing the performance under unmatched condition. 通過分析不同調頻匹配誤差條件下的濾波器性能，獲得了有價值的結論。
- frequency modulation type altimeter 調頻式測高計
- frequency modulation radio altimeter 調頻無線電測高計
- The figure below illustrates a simple frequency modulation architecture. 下面的圖表列舉了一個簡單的調頻結構體系。
