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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分辨率，將線(xiàn)性調頻信號作為子脈沖構成調頻步進(jìn)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，雷達采用一種非規則頻率調制的波形。
- The Linear Frequency Modulated（LFM） signal is a popular pulse compression radar signal. 摘要 線(xiàn)性調頻信號是雷達中常采用的一種脈沖壓縮信號。
- Stepless frequency modulated speed,low noise,low vibration driving and smooth running. 速度無(wú)級調速，低噪音，低振動(dòng)傳動(dòng)，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. 文章提出了采用最小頻移鍵控(MSK)技術(shù)與調頻超短波無(wú)線(xiàn)電技術(shù)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. 文章提出了采用最小頻移鍵控 (MSK)技術(shù)與調頻超短波無(wú)線(xiàn)電技術(shù)相結合傳輸信號的方法。
- Frequency modulation does not allow static to creep in. 頻率調制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、低成本及分辨率高等特點(diǎn)越來(lái)越受到關(guān)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(shí)現肌肉震顫的光學(xué)探測，本文設計并研制了一套基于光反饋效應的直接頻率調制激光二極管微振動(dòng)傳感器。
- 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(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(shí)現距離測量的關(guān)鍵。
- Frequency modulation is not possible with polychromatic light. 多色光不可能調制頻率。
- 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、成本低及分辨率高等特點(diǎn)越來(lái)越受到關(guān)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(xiàn)性調頻脈沖壓縮信號進(jìn)行分析以及仿真，在雷達信號模擬領(lǐng)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(jiǎn)述了直接制版技術(shù)，著(zhù)重敘述了調頻網(wǎng)點(diǎn)技術(shù)，包括原理、特點(diǎn)及技術(shù)。
- 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(xiàn)性調頻連續波(FMCW)信號的線(xiàn)性度是衡量線(xiàn)性調頻源質(zhì)量的一個(gè)重要指標，在雷達測距系統中，它決定著(zhù)雷達的距離分辨率。
- 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(guò)分析不同調頻匹配誤差條件下的濾波器性能，獲得了有價(jià)值的結論。
- frequency modulation type altimeter 調頻式測高計
- frequency modulation radio altimeter 調頻無(wú)線(xiàn)電測高計
- The figure below illustrates a simple frequency modulation architecture. 下面的圖表列舉了一個(gè)簡(jiǎn)單的調頻結構體系。
