carrier-free
英 [ˈkæriə(r) friː]
美 [ˈkæriər friː]
adj. 无载流子的；无载体（波）的
n. 无载体; 缩写词为CF
双语例句
- The jam principle is analyzed using the carrier-free UWB radar as the study object.
以无载频超宽带雷达为研究对象，分析了该干扰新技术的机理。 - Jamming the carrier-free ultra-wideband radar with comb spectrum signals
无载频超宽带雷达的梳状谱干扰技术 - Analyze the signal model of Carrier-Free Pulse Ground Penetrating Radar and the feature of each part of radar echo data.
分析无载频脉冲探地雷达回波数据信号模型及各信号分量特征； - The subsurface Ground Penetrating Radar ( GPR) introduces Carrier-Free Single Pulse Ultra Wide Band Radar, for the size of the detecting target is usually small.
浅地层探地雷达所探测的目标体积一般都比较小，因而其采用的是单周期窄脉冲超宽带雷达（UWB）。 - The preparation of carrier-free radioisotope~ ( 109) Cd
无载体放射性同位素~（109）Cd的制备 - Preparation of injection of carrier-free caesium-131
无载体氯化铯-131注射液的研制 - Based upon these experiments, a simple and rapid extraction method is proposed for the isolation of carrier-free alkaline earths and rare earths from fission products mixture.
在此基础上制定了一个从混合裂片中提取无载体碱土和希土两组核素的萃取流程，方法简单快速。 - Design of Carrier-free Ultra Wide-band Radar Transmission Signal Waveform
无载波超宽带雷达发射信号的波形设计 - Study about the Properties of Carrier-Free Ground Penetrating Radar by FDTD Method
FDTD法分析无载频脉冲探地雷达特性 - Development of Carrier-free Immobilization Culture Technique for Mammalian Cells
哺乳动物细胞无载体固定化培养技术的建立 - Detection of the underground target by carrier-free impulse subsurface radar
无载脉冲探地雷达地下目标探测 - The main mission of this subject is to research and accomplish a digital signal process algorithm of Carrier-Free Pulse Ground Penetrating Radar ( GPR).
本课题的任务是无载频脉冲探地雷达信号处理算法的研究与实现。 - Study on Preparation of carrier-free~ ( 203) pb by cyclotron bombardment
回旋加速器辐照制备无载体~（203）Pb的研究 - Radiochemical separation of carrier-free gallium-67 from target was carried out by isopropyl ether extraction.
无载体~（67）Ga的化学分离采用异丙醚溶剂萃取法。 - Preparation of carrier-free thorium-234 ( ux_1)& i. the separation of carrier-free ux_1 from uranyl nitrate by ether EXTRACTION-ANION exchange method
无载体钍-234（UX1）的制备Ⅰ.乙醚萃取阴离子交换法自硝酸铀酰中分离无载体的UX1 - Study on Separation of Carrier-free Silver-111 from Irradiated Palladium by Macroporous Anion Exchange Resin
用大孔强碱型阴离子交换树脂从反应堆照射钯中分离无载体银-111 - Then, according to the mathmatical description to UWB impulse response in literatures, three kinds of UWB signal modeling are studied, such as LFM 、 impulse 、 carrier-free coded waveforms, supposing the target scattering center distribution is given.
根据文献对UWB雷达目标冲击响应的数学近似描述，在目标散射中心分布设定的条件下，研究了线性调频、相位编码和冲击脉冲三类常用超宽带雷达信号的目标回波建模。 - As a new type of carrier-free immobilized enzyme, cross-linked enzyme aggregates ( CLEAs) with characteristics of simple preparation, high activity per unit volume and good stability has been extensively used in many fields.
作为一类新型的无载体固定化酶，交联酶聚集体以其制备方法简单、单位体积酶活高以及稳定性好等受到广泛的关注。