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- At present, selective catalytic reduction (SCR), non selective catalytic reduction (NSCR) and catalytic decomposition are main methods for the NO x removal. 選擇性催化還原、非選擇性催化還原及催化分解是目前研究較多的脫除氮氧化物的方法。
- Frequency selective surface (FSS) is a two-dimensional periodical structure and used mostly in the filter. 頻率選擇表面(FSS)是一種具有二維周期性結構的濾波結構,主要在濾波器上使用。
- In order to realize wideband filtering properties of frequency selective surface (FSS), FSS of closely packed elements is presented. 為了實(shí)現頻率選擇表面（FSS）的寬帶濾波特性，本文給出了單元緊密排布的FSS結構。
- In this paper an effective manner to minimize RCS of radar system-Y shape sloted frequency selective surface (FSS) is presented. 為此，本文提出了一種有效的減小雷達天 線(xiàn)RCS的方法--Y形縫隙頻率選擇表面（FSS）。
- Study on the application of frequency selective surface (FSS) to the design of composite microwave absorbers was presented. 摘要對頻率選擇表面(FSS)在復合吸波材料設計中的應用進(jìn)行了研究。
- Balocchi C E,Bridgwater F E.Selection efficiency in a non selected population of loblolly pine[J].For.Sci. 周永學(xué);蘇曉華;樊軍鋒;等.;引種歐洲黑楊無(wú)性系苗期生長(cháng)測定與選擇[J]
- At present,the principle of frequency selective surface and the principle of IR coating are adopted to combine different orientations of IR and MMW to uniform direction. 為了將不同方向的紅外與毫米波復合成同一出射方向,現在國內多采用頻率選擇表面原理與紅外高反原理。
- At present, the principle of frequency selective surface and the principle of IR coating are adopted to combine different orientations of Ill and MMW to uniform direction. 摘要為了將不同方向的紅外與毫米波復合成同一出射方向，現在國內多采用頻率選擇表面原理與紅外高反原理。
- Frequency Selective Surface(FSS) of complex dense elements is presented in this paper.The complex elements composed of Y loop and Y geometries are closely packed in triangle form. 選取Y環(huán)和Y組成的復合圖形為基本圖形單元,采用密集三角形排布方式,設計了一種密集型組合單元頻率選擇表面(FSS)結構。
- In combining the millimeter wave with the infrared wave system, this paper uses the frequency selective surface (FSS) to design the antenna multiplex based on the theoretical analysis. 摘要在毫米波和紅外相結合的復合系統研究中，結合飛行器雷達天線(xiàn)系統的設計需要，在理論分析的基礎上，采用頻率選擇表面(FSS)來(lái)設計天線(xiàn)復用副面。
- This non sequitur invalidates his argument. 他不根據前提推理因而論證無(wú)效。
- In the choice of decoration materials, should be selected surface glossy, without sudden, sharp, no abrasions to the skin into consideration. 在裝飾材料的選擇上，應盡量挑選表面光滑，無(wú)突起、尖角者，以求無(wú)擦傷劃破皮膚之慮。
- A novel design method for frequency selective surfaces(FSSs) in application of a double curved streamlined radome is presented in this paper. 提出并發(fā)展了一種適于任意雙曲率曲面雷達罩的FSS設計方法。
- Patience is a sine qua non for a good teacher. 做個(gè)優(yōu)秀教師必不可少的條件是要有耐心。
- The diplomat was declared persona non grata. 這位外交家被宣布為不受歡迎的使節。
- Antenna Multiplexer of Frequency Selective Surface 頻率選擇表面天線(xiàn)復用副面的研究
- He is declared personal non grata and forced to leave the country. 他被宣布為不受歡迎的人而被迫離開(kāi)該國。
- Characteristics of attenuating and absorbing of super wideband radar surface wave by means of radar absorbing coatings as well as radar absorbing coatings combined with frequency selective surfaces are studied and then reported here. 研究了雷達吸波涂層對寬頻段雷達表面波衰減吸收的規律以及頻率選擇表面與吸波涂層相結合的復合吸波涂層對寬頻段表面波衰減吸收的規律。
- Compact frequency selective surface 頻率選擇性表面
- frequency selective surface(FSS) 頻率選擇表面
