directional gain
英 [dəˈrekʃənl ɡeɪn]
美 [dəˈrekʃənl ɡeɪn]
指向性增益
双语例句
- Brillouin ring laser attract interest from domestic and abroad because of the advantages of narrow linewidth, stable frequency, directional sensitivity of the stimulated brillouin scattering gain.
布里渊环形激光器由于具有线宽窄、频率稳定、增益方向敏感等优点成为国内外研究的热点。 - By using the directional prism as the reflector of pump resonator, the resonator can be reinforced, the gain distribution becomes even and the pump beam quality is improved.
采用定向棱镜作为泵浦源谐振腔的全反射镜，实现了对谐振腔的加固设计、腔内增益的匀化及光束质量的改善。 - Here, three kinds of directional antennas are designed and manufactured and tested, including Backfire Antenna With Wide Rim, parabolic dish antenna with rim and microstrip patch antenna internal back-cavity, which satisfy the requirement of low side-lobe, high gain and simple structure.
设计制作并测试了加接边环的抛物面天线、高边环圆环背射天线和背腔式微带贴片天线。这三种定向天线均达到了低旁瓣、高增益、结构简单的要求。 - The present research situation of Brillouin fiber-optic ring lasers is introduced. The Brillouin fiber-optic lasers have advantages of narrow line width, stable frequency, directional sensitivity of the SBS gain, etc.
综述了布里渊光纤环形激光器的研究进展，指出布里渊光纤环形激光器具有线宽窄、频率稳定、增益方向敏感等优点。 - Application of double target directional well technology in Q29 oil field, we gain a better productive result.
通过应用双靶定向井调整挖潜技术，对改善区块开发效果起到了显著作用。 - But through optimization, the square dipole antennas not only can achieve directional but also can improve radiation gain.
但是优化后的片状对称振子天线放置于金属板上后不仅可以实现定向辐射，还可以提高天线的增益。 - Forth, we present a design technique for directional gain enhancement in low profile tapered slot antennas; we study along a yagi-like dual tapered slot antenna ( DTSA) which features high gain, high front-to-back ratio and broadband characteristics with a short taper profile.
第四，我们提出了渐变槽天线定向增益增强的设计方法。我们同时研究了具有高增益，高前后比和宽带的Yagi形双锥形槽（DTSA）天线。 - While the directional antenna has superiority on spatial reuse, antenna gain, transmission range and interference rejection, it can greatly improve the performance of wireless ad hoc networks.
而定向天线的空间复用特性，以及它在天线增益、传输范围和抗干扰方面的优势，能够极大的改善无线adhoc网络的性能。 - At the same time, the directional diagram and gain model of airborne MIMO radar in the case of sub-array are analyzed in details, and the use of transmitting and receiving direction map are explained. ( 3) The characteristics of airborne MIMO radar clutter are investigated.
详细分析了天线阵列在分子阵情况下机载MIMO雷达矩形面阵方向图及增益模型，并对建模过程中发射和接收方向图的调用作一详细说明。 - Later some advantages of the directional antenna as many aspects are described which including Spatial division multiple access, the antenna gain, anti-interference etc. After that the possibility about the directional antenna used for the ad hoc networks is analyzed.
然后分别阐述了超短波信道特点以及定向天线在网络空分复用、天线增益、抗干扰等方面的优势。分析了定向天线用于无线自组网的可能性。接着阐述了多址接入协议。 - Secondly, directional beam and omni-directional beam are assumed to have the same transmission gain. This limits the benefit of the enhanced transmission range of the directional communication.
其二：假设定向波束和全向波束有相同的增益，没有利用定向通信模式的增加传输距离的优势。