利用高增益天线和降低性能，可以把距离延长到一公里。
Range can be extended up to perhaps a kilometer by using high-gain antennas and reducing performance.
研究结论对平面、高增益天线的设计具有很好的参考价值。
The research presented in this paper has a good reference value for the design of planar high gain antennas.
在远距离通讯和高分辨率雷达的应用中，要求天线具有高增益，反射面天线是使用最广泛的高增益天线。
High gain antenna is required in the long distance communications and high resolution radar applications in which reflector antenna is the most widely used one.
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.
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.
本文提出了一种新型大带宽、高增益微带天线结构。
A novel wide bandwidth and high gain microstrip antenna is presented.
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 can be easily used to improve gain and form arrays with good coherence.
针对超高频机载合成孔径雷达天线小型化、高增益和宽频带的问题，分析了短背射天线缩小背腔的增益损失。
To meet the requirements of miniaturization, high gain and wideband of UHF antenna for aircraft SAR, the gain loss produced by narrowing back cavity of short back radiation antenna is analyzed.
为了提高增益和方向性，把四个平板端射天线单元在端射方向上排列。
To improve the directivity and gain, the four units of plate end-fire antennas are arranged in the direction of end-fire.
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.
本文针对海上无线通信系统，设计出一款高增益全向圆极化天线。
In the paper, high gain omnidirectional circularly polarized antenna is designed for marine wireless communication.
阐述了利用卫星信标和高增益标准喇叭天线，测量手动VSAT站天线接收增益的方法。
A method of measuring manual VSAT receiving antenna gain by using the satellite beacon and high gain standard horn antenna is described in this paper.
因此，国内外专家学者对读写器天线的小型化、宽频带、高增益等技术做了广泛而深入的研究。
Therefore, the domestic and foreign scholars have done wide and deep researches on the miniaturization, broadband, high-gain and other technologies of the microstrip antennas.
本发明具有较宽工作带宽和高增益的特性，适合三频段RFID读写器天线应用。
The invention has the characteristics of wider working bandwidth and the high gain, which is suitable for the antenna application of the three frequency band RFID reader-writer.
文中设计了一种加扼流环的圆锥喇叭来作为抛物面的馈源，实现低成本的高增益、低旁瓣的收发天线系统。
A corrugated conical horn antenna with high-gain and low-sidelobe feeding the paraboloidal reflector antenna to reduce the cost is designed.
天线获得了良好的高增益、低副瓣特性。
The good performance characteristics of high gain and low sidelobe are obtained.
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.
本文设计了一种新型基于哑铃型光子带隙（PBG）的宽带高增益E形贴片天线。
This paper presents a new wide-band and high-gain E-shaped patch antenna based on dumbbell-shaped PBG structure.
经过外场测试，天线在S/X双频段具有高增益、低噪声温度的优良性能，天馈系统在S波段能进行精密跟踪及S/X双频高效率接收。
Antenna have high gain, low noise temperature characteristic under test in experimentation, and it can precision tracking at S-band, high efficiency receive at S/X-band.
本文对微带天线双频、圆极化、高增益、宽频带和宽波束技术作了一定的研究。
In this paper, technologies of dual-band, circular polarization, high gain, broadband and wide-beam have been studied.
本文对微带天线双频、圆极化、高增益、宽频带和宽波束技术作了一定的研究。
In this paper, technologies of dual-band, circular polarization, high gain, broadband and wide-beam have been studied.
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