Therefore, plasma etching anisotropy can be improved by increasing rf frequency or rf-bias power.
因此，等离子体刻蚀的各向异性可以通过增加射频频率和射频功率来改善。
When the external RF frequency is much bigger than ion plasma frequency, ions answer average field.
当外加射频频率远大于离子等离子体频率，离子响应平均场，离子的密度分布几乎不随时间变化；
Similarly, another company had developed an RF frequency device and that also didn't work very well.
相似地，另一家公司开发的射频装置效果也不是很好。
It has been shown that when the RF frequency is less than the ion plasma frequency, the ion flux density will strongly depend on the time.
结果表明，当射频场的频率小于或等于离子等离子体频率时，离子流密度明显地随时间变化。
Furthermore, we study the effects of various rf frequency on the voltage at the electrode, the sheath width, the IED and IAD impinging on the rf-biased electrode.
进一步，研究了射频频率对极板电位、鞘层宽度、极板上入射离子的能量分布和角度分布的影响。
The experiment results indicate that the moisture-resistance capability of SiC x film was mostly influenced by RF frequency and precursor gas flow ratio. It was also found that t…
实验发现，射频频率的变化对碳化硅薄膜的防水汽扩散能力影响最大，气体流量比次之，而功率和气体压力的变化影响较小。
In fact, due to their lower frequency, at similar RF exposure levels, the body absorbs up to five times more of the signal from FM radio and television than from base stations.
事实上，由于频率较低，在射频接触水平相同的情况下，人体从调频收音机和电视吸收的信号比从基台吸收的信号要多四倍。
This will enable the next generation, high dynamic range mixed signal technology and high frequency RF power sources.
这将有利于下一代高动态范围的混合信号技术和RF高频电源技术。
The HNRe2 system permits simultaneous use of the same frequency between node pairs that are not in each other's RF path.
该HNRe2系统支持不同RF路径的节点同时使用相同频率。
The RF-7800V provides continuous coverage in the 30 to 108 MHZ frequency band at up to 50 watts of power.
还可在50w功率下提供30-108MHz的持续性频率覆盖。
It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.
它通常出现在射频，叶片通过频率和整流子刷频率，其高次谐波。
Harris will supply Falcon II RF-5800H high-frequency (HF) radio systems for long-haul, beyond line-of-sight terrestrial communications.
Harris公司将提供FalconIIRF- 5800H长途高频(HF)无线电系统，具有超视距地面通信能力。
As the signal is shifted from the original center frequency, the RF power analyzer reads lower and lower power levels as more and more of the signal shifts out of the intended transmission channel.
当信号从原中心频率偏移，信号越来越从设定的发射通道偏移，功率分析仪的功率电平会越来越低。
Miniaturization is an important research direction in modern electronic communication system, and the design of RF channel emphasizes the miniaturization design of frequency synthesizer.
小型化是现代电子通信系统的一个重要的研究方向，射频信道的小型化设计重点是频率综合器的小型化设计。
RF (or microwave) signals have switching considerations that differ from those for DC or low frequency AC signals.
射频（或微波）信号的切换不同于直流（DC）或低频交流（AC）信号。
Advanced measurement capability provides precise digital readout of RF power, frequency, pulse spacing, pulse widths and VSWR.
先进的量测能力提供对RF功率，频率，脉冲间距，脉冲宽度和VS WR的精确数字读取。
The frequency equation of RF MEMS switches was derived by separation of variable.
利用变量分离法推导出桥模式RFMEMS开关的频率方程组。
A helix antenna was presented together with low power RF amplifier, as the frequency fitted, the axial direction can obtain largest radio energy.
采用小尺寸低功耗的射频芯片结合实际环境设计出螺旋结构天线，选择合适的频率，天线在轴向方向得到最大的辐射能量。
Conventional dual up-conversion transmitter usually employs an intermediate frequency (IF) mixer and a radio frequency (RF) mixer to convert baseband user signal to IF and RF in sequence.
传统双上变频发射器通常采用中频(IF)混合器和射频(RF)混合器将基带用户信号依次转换成IF和RF。
Since NASA first ventured into space, paths relied on radio frequency (RF) communication.
自nasa首次进军太空，它依赖于无线电频率(RF)通信。
This paper introduces the characteristics of hopping frequency technology and the utilization of baseband and RF hopping frequency technology.
文中阐述了跳频技术的特点及基带和射频跳频技术的具体使用方法。
Based on the principle of micro frequency changing phase shift, a new approach for RF phase calibration is proposed.
根据微差变频移相原理，提出了一种射频相位校准的新方法。
The discontinuity regions which influence the rf performance of high frequency are optimized and finally the rf performance of the relay is improved greatly within the working frequency.
对高频继电器RF性能影响较大的不连续结构进行优化，使高频继电器的RF性能在工作频率下得到较大的提升。
The ability of the RF power analyzer to measure power within specified frequency bands enables it to spot defects that an RF power meter cannot.
功率分析仪可在指定频段测量的能力使其能发现功率计发现不了的错误。
Firstly, it was contrastively studied that the nanometer carbon black was oxidized by two kind of oxygen plasma: radio frequency discharge (RF) and dielectric barrier discharge (DBD).
本文首先对比研究了两种以氧气作为放电气体的等离子体：电感式射频辉光等离子体(RF)和介质阻挡放电等离子体(DBD)氧化纳米炭黑的工艺。
Based on the rf (radio frequency) sheath model, the equation for ion momentum when reaching the material surface was derived.
利用射频鞘层模型，推出了离子到达被加工材料表面时的动量的表达式。
To overcome this problem, we think to digitized the signal at medium frequency, even RF, and then demodulate it in digital domain.
为克服这一问题，人们考虑在中频，甚至射频就对信号数字化，再在数字域内进行解调。
The distributed parameters of signal path of high frequency relay are the main factors that influence the radio frequency (rf) performances of relay.
高频继电器信号路径的分布参数是影响继电器射频(RF)性能的主要因素。
Such systems face an additional contribution to the inhomogeneity of the radio frequency (RF) field when high magnetic fields are applied.
当施加高磁场时，这种系统会面临对射频(RF)场不均匀性产生额外作用的问题。
Such systems face an additional contribution to the inhomogeneity of the radio frequency (RF) field when high magnetic fields are applied.
当施加高磁场时，这种系统会面临对射频(RF)场不均匀性产生额外作用的问题。
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