海底散射 的英文怎麼說
中文拼音 [hǎidesǎnshè]
海底散射
英文
bottom scattering-
This paper also ana1yzes the sidescan mapping princip1e of the mu1ti - - beam bathymeter, and process the avai 1ab1e data with sidescan mapping method to achieve the sidescan imagery represented by the reverberation strength
本文還對多波束測深聲納側掃成像原理進行分析,利用現有的數據進行多波束側掃成像處理,形成表示海底反向散射信號強度的海圖。We use ) " sing1e - - scattered mode1 " to simu1ate the seabed reverberation signa1 and simu1ate the sp1it - - aperture a1gorithm by the data of simu1ation signa1
利用單元散射模型進行海底反向散射信號模擬。並利用該模擬信號進行計算機模擬。2 ) the sce shows potential of the application for sea bottom classification. both the improved sub - band frequency energy technique and the phase plane technique can distinguish completely the sea - beds : sand - type and silt - type
本文提出的相平面方法是一種新的辦法,對現有的兩類海底散射信號數據處理效果很好,其有效性需要進一步驗證。Lt is obvious that the decaying rule of average reverberation intensity is affected by scattering coefficient of sea floor, sound speed profile, inclination of bottom etc. the sea floor scattering function is the most importan factor to the intensity decaying rule
結果表明:海底散射方向性指數因子、海水聲速梯度、海底傾斜角等對海洋混響平均強度的衰減皆有影響。海底散射方向性指數因子對其影響最大,即適當選取海底散射模型是淺海近程混響建模的首要因素。In the aspect of detection and high precision estimation of seafloor backscattering, algorithms of fast convergence of energy center and correlation of eigen - replica were developed. also studded were processing methods of weighted mean time ( wmt ) and bearing direction indicator ( bdi ) based on fft beam forming as well as high precision detection and estimation of time of arrival ( toa ) and direction of arrival ( doa ) using split beams phase difference detection technique
圍繞海底反向散射信號的高精度檢測和估計技術,開發了快速能量中心收斂演算法和特徵模型相關演算法,研究了基於fft波束形成的加權時間平均與方位指示處理方法,並討論了利用分離波束相位差檢測技術的海底反向散射信號到達時間( toa )和到達方向( doa )的高精度檢測與估計方法。分享友人