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- This paper analyses the pattern function of DBF in subarray. The designing method for directivity pattern is given and the condition of producing the grating lobe is discussed. 詳細分析了由子陣構成的DBF的方向性函數特性 ,給出了方向圖的設計方法 ,并討論了其柵瓣產(chǎn)生的條件。
- This paper analyses the pattern function of DBF in subarray.The designing method for directivity pattern is given and the condition of producing the grating lobe is discussed. 詳細分析了由子陣構成的DBF的方向性函數特性，給出了方向圖的設計方法，并討論了其柵瓣產(chǎn)生的條件。
- The closed-form expressions for the efficiency index, grating lobe level, beamwidth and clean region width are also given.As a result, a simple design method of optimum thinning arrays with... 若所有陣元均無(wú)方向性且等加權,則具有平坦柵瓣包絡(luò )的陣列應是指數間隔排列的闊。
- A fire was burning in the grate. 火在壁爐中燃燒著(zhù)。
- The minimum requied number of controlled elements in a square array with electronic beam scanning over specified sector for a guaranteed upper limit on beamwidth without grating lobes is determined. 確定了沒(méi)有柵狀波瓣時(shí)在一定波束寬度限制的條件下對特定區間進(jìn)行電掃描的矩形陣列所需的最少可控制單元的數目。
- Cross and angry words in family grate upon the ear. 不高興與生氣的話(huà)在一個(gè)家庭里令人不愉快。
- Such expressions rather grate on me. 這種說(shuō)法對我很刺耳。
- A series of provocations led up to the border war. 一系列的挑釁事件導致了邊境戰爭的發(fā)生。
- He rapped out a series of curt commands. 他大聲發(fā)出了一連串簡(jiǎn)短的命令。
- Mr Grate just entered on a business career. 格羅特先生剛開(kāi)始經(jīng)商。
- The Grating Lobe hnduced by the Coupling of Range and Direction in SIAR and its Elimination 綜合脈沖與孔徑雷達的距離與方向耦合柵瓣現象及其克服方法
- A good fire was blazing in the grate. 爐箅子上的火很旺。
- Her story was nothing but a series of fabrications. 她說(shuō)的完全都是編造的。
- The fire was burning away cheerfully in the grate. 爐火融融。
- That new television series is not up to much. 那部新的電視系列片的效果并不十分理想。
- His bad manners grate on my nerves. 他沒(méi)有禮貌讓我心煩。
- This victory has squared the series. 贏(yíng)了這一場(chǎng)，把這組賽事的總分拉平了。
- A series of interconnected points. 一系列相互連接的點(diǎn)。
- I don't like that woman with a grating voice. 我不喜歡那個(gè)說(shuō)話(huà)聲音刺耳的女人。
- A series of tremors often precedes an earthquake. 地震前常發(fā)生一連串的微震。
