该地层充当反射器，以增大天线增益。
The ground plane ACTS as a reflector to increase antenna gain.
天线增益外场测试的关键是提高增益测试精度。
How to improve the test precision of antenna gain is the key point for antenna gain test in the outfield.
卫星通信线路的设计或分析一定涉及到天线增益。
Circuitry design and analysis must involve antenna gain in satellite communications.
从实用的角度出发，讨论了对天线增益和输入阻抗的合理优化问题。
The proper optimization of the gain and input impedance of an antenna is discussed in the view of practice.
应用概率统计原理导出了天线副瓣最高电平和天线增益损失的估计公式。
With the help of statistic principle, the estimation formulas of the peak sidelobe level and gain loss are derived.
提出了将波束成形技术应用于超短波电台，以提高天线增益和系统抗侦收能力。
The beam forming technique is used in the UHF radio for improving antenna gain and system anti-interception.
本文通过对天线的调整与优化，实现了天线增益的提高，满足了全向高增益的要求。
Through the adjustment and optimization of the antenna, higher antenna gain is achieved, to meet the requirement of high-gain omni directional antenna.
该方法对测量天线——接收机系统的天线增益尤为方便，它的测量精度高，不受频率限制。
It is very convenience for measurement antenna gain of antenna-receiver system. The method has high precision and it is not accept limit of frequency.
通过对相关雷达参数的相对误差和回波强度绝对误差曲线分析得出，雷达参数天线增益优于0。
Through the correlation radar parameter relative error and the echo intensity absolute error curve analysis, when the radar parameter antenna gain surpasses 0.
为了使数据可靠地传输，链路设计中往往盲目加大发射机功率，提高天线增益来提高系统的余量。
For the purpose of reliable transmission, the system margin is increased blindly through enhancing the transmitter power or the antenna gain in link design.
主天线（100）和分集天线（105）是在物理上分开的，并且其取向使得它们具有不同的天线增益图形。
The main antenna (100) and diversity antenna (105) are physically separated and oriented such that they have different antenna gain patterns.
分析发现，只有当孔径大于一定的尺寸(约0 . 2 0个波长)时，天线增益和副瓣电平才会发生明显变化。
Analysis shows that, only when the size of the hole is larger than 0.2 wavelengths will the variation of the antenna gain and the side-lobe level become obvious.
平板裂缝天线可满足雷达系统对天线增益高、副瓣低、体积小、重量轻的要求，所以在机载雷达中得到广泛应用。
The planar slot array antenna can satisfy a radar screen's request for antenna high gain, low side lobe, small volume, and light weight etc. So it gets extensively applied in the airborne radar.
这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。
These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal.
通过实验比较，使用微波透镜后测试结果明显改善，天线增益明显提高，使近场测试的结果更接近于远场测试的结果。
The experimental results show that the measurement obtained is apparently improved, and the antenna gain greatly increased, therefore the efficiency is more close to that by the far-field measurement.
平板裂缝天线可满足雷达系统对天线增益高、副瓣低、体积小、重量轻的要求，所以它的设计和制造已受到普遍关注。
The design and manufacture of planar slotted array antenna have been widely interested for its high gain, low sidelobe, compact size, and light weight which can meet requirements of radar system.
讨论了聚焦元件的截断效应，研究了天线增益与束腰半径关系并利用高斯波束法设计了毫米波成像准光学系统，在系统参数确定的前提下对聚焦元件进行一体化设计。
The performances of quasi-optics for millimeter-wave imaging system decide the capability of the system, so it is the emphasis of the research of millimeter wave imaging system.
VBLAST可以有效提高多发射天线系统容量，而STBC则具有较高的分集增益，通过将两种方案结合起来组成一个新的系统。
The VBLAST can be used to exploit the capacity potential provided by multiple transmit antenna systems. The STBC has higher diversity gain.
模拟结果表明，天线阵的方向性以及增益都得到了加强。
Simulated results show that the directivity and the gain of the array are improved.
螺旋天线不仅在宽频带上具有近乎一致的电阻性输入阻抗，而且在同样的频带上按超增益端射阵的波瓣图工作。
Helical antenna has not only almost identical to the resistive input impedance in broad bandwidth, but also works by the end of super-gain front lobed map in the same frequency band.
研究表明，增加引线数目、引线间距和加长顶线长度均可以增加天线系统的静电容，减小输入电抗的模值，并使天线的增益有所改善。
It is hold that one can increase static capacitance, reduce mode of input reactance and enhance the antenna gain by increasing down lead wires, their distances or lengthening the top loading wires.
在这篇论文中，我们提出一种可动态辐射不同增益场型的天线系统。
In this thesis, we reported a reconfigure antenna that is able to radiate different topologies of radiation pattern.
利用给出的公式研究了抛物环面天线的增益和旁瓣特性。
The gain and radiation properties of the antenna are investigated by using the above formulas.
自行研制的复合阵列天线具有增益高、方向性图尖锐、抗干扰能力强的特点。
The composite arrayed antenna has the characteristics of high gain, sharp directionality and strong anti disturbance ability.
椭圆形平板天线有结构简单、频带宽、馈电相对简单等优点，可以满足小型化天线同时具有宽频带和高增益的要求。
The elliptical planar monopole antenna has the advantages of simple structure, wide band and relatively simple feed, so it can meet the demands of wide-band and high-gain at the same time.
在自适应旁瓣相消技术中，天线的相消增益会随着信号带宽的增加而迅速下降。
Cancellation gain of antenna decreases rapidly with increasing of bandwidth of interference in adaptive side lobe cancellation.
目前，天线的增益及带宽变化已成为衡量rcs减缩手段优劣的主要标准。
At present, the alteration of antenna's gain and bandwidth has been the main criterion which is used to weigh the means of RCS reduction.
采用新型同轴直排印刷振子天线结构，易于提高增益和组阵，具有良好的一致性。
The coaxial collinear printed dipole structure used to improve gain and arrays with good coherence.
基于空间谱估计的高分辨测向技术，在天线阵各通道的增益和相位未知时，其性能往往低于传统的测向技术。
The performance of the high resolution DF technique based on the spatial spectrum estimation, will be severely suffered with sensor gain and phase uncertainties.
永远不要在图传的生效界线停顿，假使你看到噪点请立刻华美转身，回淘宝去换增益更高的天线。
Do not fly at the limits of video. if you see noise in your picture, turn around and buy a higher-gain antenna before going out further.
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