multi beam 中文意思是什麼
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Multi - beam swath bathymeter is a kind of newly developed advanced seafloor surveying equipment. it fits especially for mapping of large area of seafloor because of its high efficiency, high accuracy and fine terrain resolution
它是一種高測量效率、高測量精度、高解析度的海底地形測量設備，特別適合大面積的掃海測量作業。 -
A conc1usion can be drawn that these algorithms has better preci si on and fitting for the multi - - beam swath bathymeter system better on the condition of 1arge beam ang1e, and can improve the precision of edge beams in non - - specu1ar seabed region
證明bdi和分裂孔徑相關法可以精確地對海底回波信號進行回波時延估計和方向估計，可提高非鏡向海底區域的邊緣波束的測量精度。 -
Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles
本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究，主要研究的內容有：利用分帶原理對深度數據進行潮汐修正，得到瞬時海面的深度數據；對測深數據進行誤差分析處理，去除野值；將多波束數據進行坐標變換及投影轉換后構建數字地理模型，進而根據海道測量規范繪制標準海圖。 -
The methods correcting roll and pitch biases of multi - beam bathymetric system
縱傾參數的校正方法 -
Beamforming takes an important role in the multi - beam bathymetric
波束形成在多波束測深中具有十分重要的作用。 -
Ray tracing in multi - beam swath bathymetry
多波束條帶測深中的聲線跟蹤技術 -
A multi - satellite tt amp; amp; c system based on digital multi - beam antenna
基於數字多波束天線的多星測控系統 -
The principle of the interleaver with output spectra similar to cosine function, based on mzi, is analyzed theoretically. by using the tandem of two mzis, we get the flattop spectrum ; last, grounding on the polarized light interference and multi - beam interference, we analysis the principle of bgti interleaver, and simulate the relations between output spectra and reflectance of g - t resonator. furthermore the flattop output spectrum of bgti interleaver is achieved
4 、分析了fmzi型interleaver濾波器的工作原理，其輸出光譜曲線為類餘弦函數；採用級聯fmzi方案，實現了interleaver濾波器的光譜平頂光譜輸出；最後，基於偏振光干涉和多光束干涉原理，分析了bgti型interleaver濾波器工作原理，模擬了g - t腔部分反射系數r與輸出光譜的關系，獲得了50ghzbgti型interleaver濾波器平頂化輸出光譜。 -
Electro - optical system in high peak power multi - beam klystron
高峰值功率多注速調管電子光學系統的研究 -
One factor is that unlike the old line feed antenna, which was hanging by itself, exposed to the tropical elements, the multi - beam receiver is located inside the distinctive - looking gregorian dome
與老的線性反饋天線暴直接露在熱帶環境中不同，多通道接收器安放在富有羅馬特色的穹頂中。 -
Cambs command active multi - beam sonobuoy
指令控制有源多波束聲納浮標 -
The multi - beam receiver is also uniquely suited for resolving one of the nagging problems of modern radio - telescopy : screening out radio frequency interference ( rfi )
多波束接收器也是唯一適合解決現代射電望遠鏡的一個通病：濾掉電波干擾。 -
In this paper, taking the measured error sound velocity profile as the initial guess value, the sound beam travel times and beam angle recorded by the multi - beam system and the generalized linear inversion method are used to get a sound velocity profile close to the actual sound velocity profile, and the inversed sound velocity profiles have contributed to the reduction of sound velocity profile error
摘要以測得的誤差聲速剖面作為初始猜測值，利用多波束記錄到的波束傳播時間和波束角等信息，通過廣義線性反演得到一個與實際聲速剖面比較接近的聲速剖面，這有助於減少聲速剖面的誤差。 -
During the past several years, due to significant advances in the development of solid state components and high speed signal - processing technology, multi - beam array imaging systems, which promise an increase in sensitivity and resolution have received considerable interest in both the military an civilian applications
近年來，隨著毫米波固態器件以及高速信號處理技術的迅速發展，高靈敏度、高解析度的多波束陣列目標探測技術正引起軍事和民用領域濃厚興趣。 -
The multi - beam receiver is the most recent addition to this exclusive club, and it provides seti scientists with a level of sensitivity that could never be achieved with the line feed antenna
多波束接收器是其中最新的一個成員，它將為seti的科學家提供使用線反饋天線所永遠無法企及的靈敏度。 -
Design and analysis of a multi - beam parabolic reflector antenna
一種多波束拋物面天線的設計與分析 -
Optimal antenna radiation pattern integration for multi - beam forming in high frequency radar
高頻雷達多波束最優天線方向圖綜合 -
The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method
本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點，解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程，同時對線性區的增益進行了計算。理論分析表明，場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。 -
Analyses and design of a multi - beam planar array antennas
一種多波束面陣天線的分析與設計 -
Multi - beam swath sounder is a seafloor mapping device with high efficiency, high accuracy and fine resolution. it is very fitted to sweep mapping for wide area, miniaturization of which is currently the main goal of this area. in this paper, on the base of h / hcs - 017 swath sounder, we researched on the design of swath sounder ' s miniaturization
多波束條帶測深儀是一種高測量效率、高測量精度、高解析度的海底地形測量設備，特別適合大面積的掃海測量作業，系統的小型化研究是當前該領域的主要攻克方向。
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