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- In this paper, a robust adaptive beamformer in the presence of array imperfections is presented by improving the block matrix of the generalized side lobe canceller. 該文通過(guò)對廣義旁瓣相消器的阻塞矩陣加以改進(jìn),提出了一種對陣列天線(xiàn)誤差有良好穩健性的自適應波束形成器。
- generalized side lobe canceller (GSC) 廣義旁瓣相消器
- The conventional adaptive side lobe cancellation algorithm and eigenspace-based technique are discussed. 討論了常規自適應旁瓣對消算法(LCMVB)和基于特征空間的技術(shù)。
- This paper introduces the pulse compression, side lobe cancellation, clutter suppression, pulse accumulation and CFAR of coherent Radar signal processing. 本文介紹了脈沖壓縮、旁瓣抑制、雜波處理、多脈沖積累以及恒虛警檢測等雷達信號處理技術(shù)。
- Based on digital beamforming (DBF) system, this paper presents a new side lobe cancellation scheme on the receiving direction of DBF, by which the active jamming can be effectively rejected without reducing signal detection and measurement acccuracy. 提出了一種基于數字波束形成 (DBF)技術(shù)進(jìn)行副瓣對消的新方法。 與傳統的天線(xiàn)副瓣對消相比 ,該方法采用的對消函數與副瓣擬合得較好 ,因而對消剩余較小 ,而且無(wú)需大量的計算即可自適應地形成零點(diǎn) ,能很好地抑制從副瓣進(jìn)入雷達系統的干擾。
- In the Adaptive Side Lobe Cancellation(ASLC) system of general radar, the mismatched phase of transmission line between the antenna and the former of the receiver can not be ignored usually. 在常規雷達加裝的自適應旁瓣相消(ASLC)系統中，天線(xiàn)至接收機前端饋線(xiàn)部分的相位不一致性通常不可忽略。
- adaptive side lobe canceling (ASLC) 自適應旁瓣對消
- Coherent Side Lobe Canceller 相關(guān)旁瓣對消器
- Not equational power divider is mostly adopted to decrease the side lobe. 不等分功分器主要用來(lái)在電調天線(xiàn)中實(shí)現副瓣抑制。
- side lobe cancellation 旁瓣對消
- Coherent Side Lobe Cancellation 相關(guān)旁瓣取消
- A M - band CMFB with a side lobe of about 45 dB was designed using the optimum equal wave method. 通過(guò)分析M帶濾波器組和M帶復用轉換器的完全重構條件;用最優(yōu)等波紋法設計了一個(gè)旁瓣約為45 dB的M帶余弦調制濾波器組.
- The effect of antenna parameters on the beamwidth and side lobe level is analyzed. 分析了天線(xiàn)參數對主瓣寬度和副瓣電平的影響；
- With the aid of a computer, curves of beamwidth and side lobe versus the antenna parameters are plotted. 并借助計算機繪出了主瓣寬度和副瓣電平與天線(xiàn)主要參數的關(guān)系曲線(xiàn)；
- Based on uniform line array,the sonar equation of active sonar beam main lobe and side lobe interfered by noise-jammer are presented. 研究了噪聲干擾器對魚(yú)雷主動(dòng)聲吶的對抗原理,以等間隔直線(xiàn)陣為例,分別給出了干擾器對魚(yú)雷主動(dòng)聲吶主瓣和旁瓣的干擾方程。
- This method resolves the problem of signal detection with high side lobe levels, but loses information of the power spectrum density. 這樣解決了高旁瓣下信號檢測的問(wèn)題，但卻丟失了功率譜密度信息。
- For simply the design adopts equal interval antenna array, adopts unequal scope to debase the side lobe level, adopts unequal phase to realize tilt. 本文為了簡(jiǎn)單起見(jiàn)采用等間距陣列天線(xiàn)，采用不等幅度來(lái)降低副瓣，采用不等相位來(lái)實(shí)現下傾。
- In the case of maintaining the array two main plane side lobe equal to ideal ones, the array average side lobe level (AVSLL) is optimized by the linear programming. 在保證失效補償后兩主平面副瓣性能完全恢復的情況下 ,用線(xiàn)性規劃方法對空間平均副瓣進(jìn)行了優(yōu)化。
- Calyx 4-8 mm, apex of upper side lobed, primary veins 2, reaching lobe apex. 花萼4-8毫米，淺裂的上面邊的先端，主脈2，到達裂片先端。
- The conclusion is that suitable departure helps to improve the resolution of the imaging, and not to bring any unreasonable side lobe that influences the point spread function. 結果表明，適當的偏心量有利于提高環(huán)狀干涉條紋成像的分辨率，又不致于產(chǎn)生對點(diǎn)擴展函數有影響的旁瓣。
