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- Log Periodic Array 对数周期阵列
- Log Periodic Array Antenna 对数周期阵列天线
- Log periodic dipole array antenna 对数偶极子阵列天线
- A dual-polarization log periodic antenna array 双极化对数周期阵列天线
- In this thesis, we describe the design of the printed planar log periodic dipole antenna. 本论文就对数周期偶极天线平面化的设计架构加以论述。
- In this paper,the problem of the so attering of SH waves by a subsurface periodic array of cracks is investigated by a BIE methoc . 针对半空间中一近表面周期裂纹对SH波的散射问题,本文采用边界元法进行研究。
- Furthermore, a periodic array of metal holes fabricated on the back of a quantum dot infrared photodetector is illustrated to narrow the detecting region of the photodetector. 另外,在量子点红外线侦测元件的背面加上一层周期排列的金属孔洞即可窄化其可侦测之区域。
- Study of Log Periodic Dipole Antennas 对数周期偶极天线研究
- For the surface plasmon, two kinds of two dimensional metal periodic arrays are investigated. 在表面电浆方面,我们研究两种二维的金属周期结构。
- We investigate the scattering properties of periodic arrays of nanoholes in thin gold films by using the method of discrete dipole approximation (DDA). 利用离散偶极近似的方法(DDA),对具有周期排列纳米孔金薄膜的散射光学性质进行了研究。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗?
- For periodic arrays, the dipolar interaction strength and the duration of magnetic field determine a phase diagram of reversal types of precession switching. 在垂直各向异性的垂直磁化翻转过程中,由偶极作用强度决定了四种翻转模式,即成核模式、非线性激发、旋卷模式以及成核与旋卷的过渡区域。
- LPDA Log Periodic Dipole Array 对数周期偶极天线阵
- I reached for a floating log with my foot. 我伸脚去钩取一段漂浮着的木头。
- They are sawing a log into planks. 他们把原木锯成一块块厚板。
- Log Periodic Dipole Array 对数周期偶极振子天线阵
- A New Method for Analyzing the Log Periodic Dipole Antenna 对数周期偶极天线的一种新的分析方法
- They broke down the door with a big heavy log. 他们用一根粗大的木头将门砸开。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- You still need to back up and truncate the logs periodically as I discuss later. 您仍然需要周期性地备份或截断日志,我将在稍后进行讨论。