sidelobe level 中文意思是什麼
sidelobe level
解釋
旁瓣電平-
A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane
全面地研究了地面腐蝕周期圓孔結構的電磁晶體貼片天線在基波頻率處的性能，用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示，本文設計的地面腐蝕型電磁晶體結構抑制了貼片天線中的表面波，增加了天線的帶寬，並有效地削弱了旁瓣，使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。 -
Effects of random errors on the sidelobe level of a module array antenna
隨機誤差對模塊化陣列天線副瓣的影響 -
Lake - experiment verified the correctness of this low sidelobe level beamformer. 4. the broadband constant beamwidth beamforming vectors for a uniform linear array are designed and its effectiveness when applied to a real array is verified by water tank experiment
針對均勻分佈線列陣，設計了基於chebyshev加權的寬帶恆定束寬波束形成向量，消聲水池實驗驗證了設計方法對于實際基陣的有效性。 -
The processing of these hybrid signals is different from the single modulation signal, that is pulse compression twice. with respect to the hybrid signals including sf, the high range resolution is analysis, and the method for reducing sidelobe level is
對于與頻率步進信號復合的組合脈壓信號，分析了它們的合成高距離分辨效果，並對其距離旁瓣的抑制方法進行了探討。 -
Performance of inflatable antenna reflector hinges critically on the precision of the membrane surface. if the error is not in the range of limit, it will heavily decrease antenna gain and increase sidelobe level
形面精度是決定充氣展開天線反射器性能的一個關鍵因素，如果誤差不在允許范圍內，那麼它會嚴重降低天線的增益，增加旁瓣電平。 -
Combining the above signal model and the conventional lcmv method at element level we present a lcmv method at subarray level. in all kinds of jammer scenarios, the method can suppress jammers well, but the disadvantage is that the sll ( sidelobe level ) of adaptive patterns is much higher
將上述提出的信號模型與常規線性約束最小方差（ lcmv ）方法相結合得到子陣級lcmv方法，在各種干擾情況下該方法都可以實現對干擾的很好抑制，但其局限性是自適應方向圖的旁瓣電平較高。 -
It is shown that the lower sidelobe level of multi - step amplitude quantized array should be achieved using the fewer number of quantized steps
研究結果表明，利用較少量化臺階數，多階振幅量化陣可實現較低的副瓣電平。 -
Fir filters with special frequency responses are designed using a modified adaptive design approach for a practical broadband low sidelobe level beamforming problem in time domain
採用改進的fir數字濾波器自適應設計方法，設計了具有特殊頻率響應結構的fir數字濾波器。 -
Fsk / psk radar signal is the signal with both fsk and psk modulation at one time. it is with large bandwidth time product ( bt ), thumbtack - like ambiguity function and well ability of anti - emi. the fsk / psk signals of which the frequency - hopping and bi - phase sequences were randomly chosen often have high sidelobe level
Fsk / psk信號是同時進行頻移鍵控（ fsk ）和相移鍵控（ psk ）調制的信號，該信號具有大時帶寬積（ bt ）和高分辨特性，並具有「圖釘型」模糊圖結構、低截獲概率（ lpi ）特性和較好的抗干擾能力，受到了廣泛的重視。
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