Main lobe: This is the radiation lobe containing the direction of maximum radiation.
主瓣:它是一个辐射波瓣,其中含有最大辐射的方向。
In addition, simulation results are given to show the effect of reject the main lobe interference on the sum and difference patterns.
另外,本文给出了为消除主瓣干扰而对和差方向图影响的模拟结果。
Minor lobe: all the lobes other then the main lobe are called the minor lobes. These lobes represent the radiation in undesired directions.
副瓣:除了主瓣其它所有的瓣都被称作副瓣,这些副瓣展示的都是不必的辐射或没有用方向的辐射。
Through a new feeding construction with phase-shifter, the main lobe of the pattern of the microstrip leaky-wave antenna can scan at a fixed frequency.
通过控制微带漏波天线中部馈电端口移相器,成功实现了工作频率固定下微带漏波天线主波束扫描,并使用电子开关实现微带漏波天线主波束双向扫描。
It's better to select the minimum energy window to calculate RMS of sine wave by using the window DFT on the basis of the amplitude of sine wave DFT main lobe.
用加窗的DFT方法,从正弦波的DFT主瓣的幅度来计算正弦波的均方根值(RMS),最好使用最小能量窗。
Result indicates that the spectrum gained from using W-O way comprises much fewer side lobes and achieves higher energy ratio of main lobes to the first side lobe.
结果表明,W - O方法得到的信号频谱比传统加窗具有更少的旁瓣干扰和更高的主瓣-第一旁瓣能量比。
This method more effectively suppresses spatial nonstationary and stationary noise than the adaptive null-forming beamformer method by using a rotatable main lobe in the 2-D plane.
这种方法更有效地抑制了空间的非平稳和固定噪声比使用一个可旋转的主瓣中的2-D平面空的自适应的成形波束形成方法。
There are two disadvantages in adaptive beam forming in the presence of main lobe interference, one is heightening of side-lobe level, the other is distortion and peak offset of main beam.
在自适应波束形成技术抑制干扰问题中,当存在主瓣干扰时,便暴露出两个缺陷:一是副瓣电平增高;
The direction of acoustic beam and angular width of main lobe can be changed by properly amplitude-weighting, decreasing the frequency of impulsive signal and adjusting the interval of array elements.
通过适当的幅度加权、降低激励信号的频率、调整阵元的间距等措施可以改变辐射声束的方向和辐射主瓣的角宽。
The main correlational language cortex included left temporal lobe and bilateral inferior frontal gyrus.
主要语言相关皮层区为左颞叶及双侧额下回。
CONCLUSION: the main cell loss of hippocampal structure and neuron loss in gate loss are the main characteristics of hippocampal sclerosis in patients with temporal lobe epilepsy.
结论:颞叶癫痫患者脑海马结构主要细胞脱失,门区神经元脱失是脑海马硬化的主要特点。
Theoretically, a column conformal array with small size and few elements to generate a shaped beam with low side lobe and main beam with fixed width and flat top is carried out.
理论上实现了用较少的天线单元,且与小直径圆柱面共形的阵列,激励产生副瓣电平较低、主瓣有一定的宽度且顶部较平坦的波束。
This dissertation studies the ground clutter suppression of ABSR. Because low pulse repetition frequency (LPRF) and low side-lobe antennaare adopted, we focus on main-lobe clutter suppression.
本文主要研究机载战场侦察雷达的地杂波抑制,由于采用了低脉冲重复频率和低副瓣天线,我们主要考虑主杂波的抑制。
At the same time under the direction of Figure lobe half-power beam width of the main requirements to determine their unit number and unit spacing.
同时根据方向图主瓣半功率波束宽度要求确定其单元数和单元间距。
ChaPter 3 is The Main Error-UpperBounds Analysis of Near Field MeasurementTecdriques for Ultra-Low-Side-lobe Anennas Measurements.
第3章超低副瓣天线平面近场测量主要误差源的误差上界分析。
ChaPter 3 is The Main Error-UpperBounds Analysis of Near Field MeasurementTecdriques for Ultra-Low-Side-lobe Anennas Measurements.
第3章超低副瓣天线平面近场测量主要误差源的误差上界分析。
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