地面导线环是变频测深发射天线的一种形式。
The wire loop laid on the ground is one type of antenna for parametric depth sounding.
结果表明，用这种型式的发射天线效果是好的。
The results showed that the transmission antenna of this type is satisfactory.
这为合理选择光学发射天线的孔径提供了理论依据。
This provides theoretical basis for reasonably selecting aperture of optical transmitting antenna.
并通过实验，得出发射天线和接收天线的选择原则。
And from the experiments, the dissertation elicits the choosing principle of the project antenna and the receiving antenna.
试验结果表明，采用磁天线作为发射天线是可行的。
The measurements demonstrate that it is possible to make use of a magnetic antenna …
在发射天线上，最好使固有波长略大于所要求的波长。
In transmitting antennas it is best to have the natural wavelength slightly above desirable wavelength.
本文对大功率甚低频发射天线用绝缘子的选型进行了研究。
The selection of the insulator applied for a large power very low frequency transmitting antenna were studied.
对于放大了的信号，必须作进一步的处理后，才能把它们馈送到发射天线上去。
Something further must be done to the amplified signals before they can be sent to the transmitting antenna.
该下边界表明系统的性能受码本大小、发射天线数及调制方式影响。
The derived lower bound indicates the system performance is affected by the codebook size, transmit antennas and modulation.
空时分组码的准静态衰落瑞利信道的多发射天线多接受天线性能仿真。
The free time grouping code accurate static state declines the Rayleigh channel multi- transmitting antenna to accept the antenna performance simulation much, matlab, Communication.
讨论了多发射天线OFDM系统中有限比率反馈对通信系统误码率的影响。
The effect of finite rate feedback in multiple-antenna OFDM systems on communication performance is discussed in this paper.
广播电视发射天线是调频广播、电视天线发射系统中的重要组成部分之一。
The radio and television transmitting antenna is the important part of FM radio, TV antennas system.
机载甚低频天线系统中的双拖曳天线是用于对潜通信VLF/LF的发射天线。
The Dual Trailing Wire Antenna(DTWA) on an Aircraft antenna system is used to transmit VLF/LF messages to submarines.
用矢量范数定义了一类多发射天线系统，并对各系统的中断概率性能进行了研究。
A class of multiple transmit antenna systems is defined based on vector norm and the outage probability of them are studied.
最近的研究表明，在衰落信道多天线MIMO系统的容量随发射天线数线性增加。
Recent work has shown that capacity of a multiple-antenna MIMO system is increased linearly with the number of transmitter antennas in fading channels.
该文针对发射天线数为偶数的系统，提出了一种降低接收机计算复杂度的差分空时调制方案。
To reduce receiver complexity, a new DUSTM scheme is proposed for systems where the number of transmit antennas is even.
本文就射频电磁场对人体健康的危害以及小功率电视发射天线的电磁污染问题作了简要的论述。
This paper makes a brief discussion on the harm upon human health by radio-frequency electromagnetic field and electromagnetic contamination problems of small power television emission antenna.
本发明公开了一种方法，用于在具有多个发射天线的发射设备和接收设备之间传送多个数据流。
A method for communicating a plurality of data streams between a transmitting device with multiple transmit antennas and a receiving device, is disclosed.
分集增益的取值与分组长度有关，只有当分组长度不小于发射天线数目时才能获得满分集增益。
The diversity gain is relative to the block length, and can amount to the full diversity gain only when the block length is no less than the number of transmit antennas.
大气激光通信系统的误码率不仅受到振动时振幅大小的影响，而且受到光学发射天线孔径的影响。
The bit error rate of an atmospheric laser communication system is affected by not only vibration amplitude but also the aperture of optical transmitting antenna.
与此同时，北约在晚上的空袭中成功地击毁了利比亚国家电视台发射机的三个圆盘式卫星发射天线。
Meanwhile Nato reported a successful overnight attack on Libyan state TV transmitters that disabled three satellite transmission dishes.
太阳能将被转化为航天器内部的电力，并通过微波发射天线或激光输送入电力网，然后再供给地球上任何需要电力的地区。
The power would be converted to electricity on-board the spacecraft and sent to wherever it is needed on Earth by a large microwave-transmitting antenna or by lasers, then fed into a power grid.
本文叙述了单个有源发射天线、单个有源接收天线、有源发射天线阵及有源接收天线阵的工作原理和基本特性。
This paper describes the operating principles and the basic properties of single active transmitting antenna, single active receiving antenna, active transmitting array and active receiving array.
MIMO技术通过采用多个发射天线和接收天线可以显著提高无线通信系统的信道容量，增强数据传输的可靠性。
MIMO systems can increase the channel capacity and enhance the transmission reliability by employing multiple antennas at the transmitter and receiver.
尤其在发射天线相关参数未知情况下，本文创新性地提出了一种利用长训练序列和短训练序列进行联合信道估计的算法。
Especially in the transmitting antenna correlated parameter unknown circumstances, an innovational channel estimation algorithm which takes use of the long & shot training sequence is proposed.
本文给出了考虑大地的影响计算水平极化的广播电视发射天线和垂直极化的移动通信基站天线在空间产生的场的计算公式。
The calculation formulas of the electromagnetic field produced by the emission antenna of broadcasting and television emission towers and mobile communication stations are given.
结果表明，在接收天线数目多于发射天线数目的情况下，该文提出的功率平衡方法可以有效降低多天线系统接收端的BER值。
Simulation results indicate that power balancing can decrease BER at receiver when the number of receiver antennas is greater than that of transmitter.
在保证满分集度的前提下，尽可能提高码率，并优化时延分组数，才是多发射天线构架复信号空时分组码设计的更明智的选择。
So it is a more wise choice to increase the transmission rate and optimize the time slot block number on the condition of keeping the full diversity order in STBC design.
在保证满分集度的前提下，尽可能提高码率，并优化时延分组数，才是多发射天线构架复信号空时分组码设计的更明智的选择。
So it is a more wise choice to increase the transmission rate and optimize the time slot block number on the condition of keeping the full diversity order in STBC design.
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