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- In order to improve target detection performance and anti-stealth ability for modern AEW radar, this paper presents a solution of dual frequency aperture sharing. 為了進(jìn)一步提高現代機載預警 (AEW)雷達的目標檢測及反隱身能力 ,本文提出雙頻帶孔徑共用的實(shí)現策略。
- The method of measuring deep soil moisture by VHF/UHF dual frequency multiple polarization Synthetic Aperture Radar (SAR) consisting of vector network analyzer is proposed. 該文提出了利用由矢量網(wǎng)絡(luò )分析儀構造的VHF/UHF雙頻、多極化合成孔徑雷達(SAR)測量深層土壤濕度的方法；
- LFM-Costas stepped frequency radar (SFR) signal is an important radar signal. 線(xiàn)性調頻 Costas頻率步進(jìn)雷達信號是一種很有研究?jì)r(jià)值的雷達信號。
- Submesoscale Coastal Ocean Flows Detected by Very High Frequency Radar and Autonomous Underwater Vehicles. 甚高頻雷達和自控潛水艇探測到的次中尺度沿岸海流。
- If this film series is used in He Ne laser, the dual frequency laser with 5MHz beat will be produced. 此膜系用于氦氖激光器 ,可制出頻差為 5 MHz量級的雙頻激光器。
- X. Mao, Y. Liu. Null phase-shift polarization filtering for high frequency radar, IEEE trans. Aerospace and Electronic Systems, 2007.7. 毛興鵬;劉永坦;鄧維波.;頻域零相移多凹口極化濾波;電子學(xué)報;錄用
- The millimeter wave (MMW) Inter-pulse stepped frequency radar is a type of wide-band high-range-resolution radar. 毫米波脈沖頻率步進(jìn)雷達是一種寬帶高距離分辨率雷達。
- Dual frequency and amplitudes vibration system may obtain optimal compaction for different quality and course materials. 振動(dòng)系統：雙頻率和雙振幅設置，保證了整機在壓實(shí)不同性質(zhì)、不同厚度的鋪層時(shí)，均可達到最佳的壓實(shí)效果；
- The frequency synthesizer is the core device of MMW inter-pulse stepped frequency radar, and its performance has great effects on radar system. 頻率合成器是毫米波脈沖頻率步進(jìn)雷達的核心部件,其性能指標的優(yōu)劣對整個(gè)雷達系統有較大的影響。
- In order to study the optical feedback characteristics at the dual frequency laser, a birefringent external cavity was studied throughboth theoretical analysis and experiments. 摘要為了研究雙頻激光器的光回饋特性，采用雙折射外腔光回饋的方法，進(jìn)行了理論分析和實(shí)驗驗證，取得了雙頻激光器中條紋倍頻現象的數據。
- The algorithm was presented as a mathematical description independent of any applications and was used to design a dual frequency grating projection profilometry system. 用獨立于任何實(shí)際應用的一般形式給出了該算法的數學(xué)表述 ,并以此為基礎設計了一套雙頻光柵投影輪廓測量系統。
- Thomas, R.M., P.S.Whitham, and W.G.Elford, Response of high frequency radar to meteor backscatter, Journal of Atmospheric and terrestrial Physics Vol. 50 pp. 703-724, 1988. 龔瑞鳴，利用中壢雷達進(jìn)行流星尾觀(guān)測系統及方法之建立，博士論文，國立中央大學(xué)大氣物理研究所，1998。
- This paper studies how to detect the moving targets on the land and sea surface in the background of clutters by using pulse-pulse step frequency radar. 研究了用脈間步進(jìn)頻率雷達對雜波背景噪聲下地面或海面動(dòng)目標的探測。
- This paper introduces a new method for both producing and controlling the frequency difference of a dual frequency laser by using an electromagnetical force which is applied onto the window plate. 提出和研究一種新的方法，即利用電磁鐵的電磁力去產(chǎn)生和控制雙頻激光器的頻差。
- The high range resolution capability of stepping frequency radar with its unique waveform and processing is being exploited to solve the problem of detection of low RCS targets in heavy clutter. 頻率步進(jìn)雷達，由于其高距離分辨能力及獨特的波形和處理，正在用來(lái)解決強雜波中小目標的檢測問(wèn)題。
- Research on Dual Frequency Metal Detector 雙頻金屬探測器的研究
- dual frequency GPS rapid positioning 雙頻GPS快速定位
- The road opened out into a dual carriageway. 這條路已擴展成了復式車(chē)行道。
- dual frequency induced polarization 雙頻激電
