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- The affects of polytropic plus integration number and low sidelobe level were considered in the detection probability calculation. 考虑了相控阵雷达多变的 脉冲积累数和极低的副瓣电平对发现概率的影响。
- To obtain low sidelobe level,tolerance analysis is applied to the antenna array composed by DAUs and the relationship between DAU features and surface planeness error are studied. 为了确保天线低副瓣指标,需要对由DAU拼装形成的天线阵面进行平面度误差分析,并寻求基本拼装单元DAU结构要素与阵面平面度误差之间的联系。
- The characteristics is used to design a ring-focus Cassegrain antenna and it was found that it has higher gain and lower sidelobe level. 文中还利用上述特性设计了一个大口径的焦环卡塞格伦天线 ,结果显示 :它有较高的增益和较低的副瓣电平
- It is shown that the lower sidelobe level of multi-step amplitude quantized array should be achieved using the fewer number of quantized steps. 研究结果表明，利用较少量化台阶数，多阶振幅量化阵可实现较低的副瓣电平。
- low sidelobe level 低旁瓣
- Compared to traditional microstrip antenna, the presented antenna possesses broader beamwidth, low sidelobe and broad circu... 传统的微带天线通常具有低剖面、安装容易、重量轻以及与承载的母体在外形上拥有一致性等优点。
- An important index to influence the down-looking capability of airborne phased array radar is the ultralow sidelobe level of antenna. 影响机载相控阵雷达下视能力的一个重要指标是天线的超低副瓣特性。
- On the other hand, it improves the sidelobe level markedly corn pared with the conventional method in the presence of jammer. 而在存在干扰的情况下，与常规方法相比，明显改善了旁瓣电平。
- The design and analysis of a low sidelobe Cassegrain antenna using resistive hyperboloid are presented in detail. The surface resistivity of hyperboloid can be expressed in terms of the target low sidelobe aperture distribution. 本文用沿径向有阶梯变化的表面电阻的双曲面来设计低旁瓣卡塞格伦天线 ,给出了双曲面表面电阻值与所需的低旁瓣口径场分布理论值的关系式。
- This paper analyzes the effects of amplitued-phyase errors and element failure on antenna gain, beamwidth, beam direction, and sidelobe level in sparse array. 围绕天线阵增益、束宽度、向和副瓣电平等指标，分析了幅相误差、元失效对稀疏阵列天线性能的影响。
- With the simulation and analysis using MATLAB, this paper studied a method to design low sidelobe FSK/PSK radar signal with Genetic Algorithm and three algorithms for pseudo-random FSK/PSK radar signal sidelobe suppression. 本文讨论了一种用遗传算法设计低旁瓣水平FSK/PSK信号的方法和三种伪随机FSK/PSK信号旁瓣抑制算法,并用Matlab进行了仿真分析。
- Theoretical analysis and calculational results are presented to demonstrate that due to the low sidelobe gain of beam, the degree-of-freedom (DOF) of the clutter is significantly decreased. 理论分析和仿真计算结果表明，和差波束低副瓣增益有效抑制了旁瓣杂波，降低了杂波自由度。
- An airborne early warning (AEW) radar must be able to detect distant low-altitude targets from the antenna sidelobe clutter. Therefore, the sidelobe level directly influences the radar detection range. 机载预警雷达必须具有从旁瓣杂波中发现目标的能力,因此,天线旁瓣电平的高低直接影响到雷达的检测距离。
- The backfire antenna is a kind of compact structure, high gain and lower sidelobe antenna, but its bandwidth is limited. 背射式天线具有增益高、副瓣低和结构紧凑的特点,但其频带较窄。
- Technical specifications are all satisfied within required wide frequency range, which include VSWR, main beam width, sidelobe level, gain, and the mutual relation of sum and difference patterns, etc. 在较宽的频带内，对于驻波比，主瓣宽度，旁瓣电平，增益，和 与差方向图对应关系等都得到了满足。
- Through the theoretical analysis and computer simulation,the statistical peak sidelobe level(PSL) of compression wave of the correlation receiver,and the resolved ability were studied. 仿真结果表明,这种信号与线性调频超宽带雷达信号相比,在一定的条件下,可以获得更低的峰值旁瓣电平,并且具有更好的分辨能力。
- It is always an important problem to effectively correct the errors due to the above mentioned reasons to achieve excellent antenna sidelobe level and signal processing capability. 有效地校正由上述因素产生的误差以获得良好的天线副瓣电平和信号处理能力,一直是人们着重研究的课题。
- Compared with the traditional shaded beamforming, the proposed method can greatly reduce the sidelobe level without broadening the mainlobe.What is more, this method is array-shape-free. 与加窗波束形成算法相比，这种方法可以在保证主瓣宽度不展宽的情况下，有效降低旁瓣级，并且，这种方法对基阵的几何形状没有任何限制。
- The design of an airborne off-set parabolic reflector antenna with low sidelobes is discussed. 介绍了机载雷达低副瓣偏馈抛物面无线的设计。
- peak sidelobe level (PSL) control 峰值副瓣电平控制
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