... narrow road 窄路 ; 窄道 ; 警示标志窄路 ; 狭路 narrow beam 窄射束 ; 狭窄的光线 ; 窄束 ; 窄波束 Narrow Tie 窄版领带 ...
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关键词 :半价层 ;能量标定 ;宽束 ;窄束 ; EGS4 [gap=4443]Key words :half value layer ; energy measurement ; broad beam ; narrow beam ; EGS4
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Narrow beam condition 窄射束 ; 窄束状态
narrow beam injection laser 窄束注入式激光器 ; 窄束注入激光器 ; 窄束
narrow-beam 窄射线 ; 强指向性射束 ; 窄束
narrow beam geometry 窄束几何条件 ; 细射柱几何 ; 窄束几何
narrow-beam sounder 窄束测深仪
multi-narrow beam sonar 多窄波束声纳
narrow beam echo sounder 窄束回声测深仪
narrow-beam absorption 窄束吸收 ; 细射柱吸收
Under the mid-latitude mid-range communication,the calculations of channel parameters are taken for different number of transmit antennas at different time and the serving region size is calculated for certain narrow beam.
以中纬度地区的中距离通信为例,计算了不同时刻使用不同发射天线数时的信道参数,并计算了特定窄波束的服务区间范围。
参考来源 - 采用发射窄波束的短波通信信道特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The technology works by focusing sound into a narrow beam, just like light.
这项技术的原理是将声音压缩成类似于光的窄束。
The transmission signal of a narrow beam irradiated on a flow particle system may fluctuate.
窄光束照射流动颗粒系时，透过率会产生起伏。
The emphasis in this paper was corner reflector antenna with high-gain, narrow beam and low side-lobe.
选用方向性好、增益高、旁瓣低的角形反射器天线作为本论文的研究重点。
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