例句與造句

1. In chapter 3 , a novel planar polarization diversity antenna that has two feed ports with more than 20 db isolation has been proposed
   第三章提出了一種新型兩端口平面極化分集天線。
2. Measurement points include : over floor corresponding to the center of bogie truck , air return port , air feeding port , over coupler and draft gear , head acoustics measurement and analysis system is used in signal capture and data process
   采用headacoustics測量分析系統(tǒng)進(jìn)行了噪聲測量，并利用該軟件對采集到的數(shù)據(jù)進(jìn)行回放，截取有效數(shù)據(jù)進(jìn)行數(shù)據(jù)處理，處理的結(jié)果，以圖表的形式輸出。
3. This dissertation is mainly focused on the key technologies of smart antenna for mobile station : ( 1 ) the electrically small antennas with two ports , ( 2 ) the performance evaluation of smart antenna for mobile station , and ( 3 ) the retrodirective antenna with multi - feed ports
   本文的工作主要圍繞移動臺智能天線的關(guān)鍵技術(shù)進(jìn)行，包括三方面研究內(nèi)容： ( 1 )適用于移動臺的兩端口電小天線； ( 2 )移動臺智能天線的性能評估； ( 3 )多饋電一體化方向回溯天線。
4. In chapter 4 , a simulation approach is presented , which combines the outdoor radio propagation model , the eigen - driven patterns of handset diversity antenna with two feed ports and combining schemes of receiving signals , to investigate the performance of a dual antenna handset under co - channel interference ( cci ) and multi - path fading environment
   第四章首先用本征激勵方向圖的概念來產(chǎn)生手機(jī)雙端口分集天線的接收信號矢量，然后將其與城市室外電波傳播模型、分集合并方式相結(jié)合，建立了分析在具有共道干擾和多徑衰落環(huán)境中手機(jī)雙天線系統(tǒng)的性能模型。
5. It's difficult to find feed port in a sentence. 用feed port造句挺難的