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- 低頻UWBSARLow frequency UWB SAR
- UWBSARultra-wideband synthetic aperture radar (UWB SAR)
- 低頻字low-frequency words
- 一種新的大型電力系統低頻機電模式計算方法A NEW ALGORITHM FOR THE COMPUTATION OF LOW FREQUENCY ELECTRO-MECHANICAL OSCILLATION MODES OF LARGE POWER SYSTEMS
- 頻率細化技術在超低頻/極低頻電磁信號檢測中的應用APPLICATION OF ZOOM FFT TECHNIQUE TO DETECTING EM SIGNAL OF SLF/ELF
- 由汽輪機壓力脈動引發電力系統共振機理的低頻振蕩研究POWER SYSTEM LOW FREQUENCY OSCILLATION OF RESONANCE MECHANISM INDUCED BY TURBO-PRESSURE PULSATION
- 低頻電磁水平半連續鑄造中磁場的分佈及其對宏觀偏析的影響Distribution of Magnetic Field and Its Effects on Macrosegregation of Electromagnetic HDC Casting Aluminum Alloy
- 強激光與等離子體相互作用中低頻電磁場孤子波的產生及其捕獲Generation of low frequency electromagnetic solitons in plasmas near the critical density with ultrashort intense laser pulses
- 對數正態分佈、韋伯分佈、K分佈是三種適於描述葉簇背景雜波的非高斯分佈模型,快速、準確地模擬葉簇背景雜波,對大積累角UWBSAR體制中葉簇覆蓋人造目標檢測與識別的演算法研究是十分重要的。Foliage background radar clutter can be statistically modeled by using three kinds of non Gaussian probability density functions (PDFs) of lognormal,Weibull and K distributed. It is important to correctly simulate foliage background clutter for wide angle UWB SAR to aid in the design of algorithms to detect targets under foliage.
- 基於跨膜電壓的時空特性分析了極低頻電場下細胞跨膜電壓的變化規律:建立了引入外電場參數的改進的肌肉中Hodgken-Huxley(HHM)模型。Based on results of space-time characteristics of trans-membrane voltage, the variation of cell trans-membrane voltage exposed to extremely low frequency (ELF) electric field is analyzed.
- 西北太平洋季風區有明顯的季節內振蕩(ISO),這種氣候的季節內振蕩(CISO)主要由30~60 d與10~20 d兩種周期組成,但是主要以30~60 d的低頻振蕩為主。There are obviously intraseasonal oscillation(ISO) in WNP monsoon region,this climatological ISO is mainly composed of 30-60 and 10-20 day oscillation. But low-frequency oscillation of 30-60 days is significant.
