wave frequency的例句大全

remote metering system based on terminal unit of expanding frequency wave carrier in residential area

扩频载波用户终端的居民小区远程抄表系统设计

study of electromagnetic wave absorber with wide-bandwidth frequency composed of rubber and ferrite

宽频带橡胶复合铁氧体电磁波吸波材料研究

based on the nonlinear paraxial wave equation, the propagation equation of small-scale perturbation of divergent beams has been deduced with a coordinate transformation. the evolvement law of the growth critical frequency of small-scale perturbation, maximum growth frequency and relative b integral is obtained.

从非线性傍轴波动方程出发，利用坐标变换，推导出发散光束小尺度扰动的传输方程，进而得到小尺度扰动增长的临界频率、最大增长频率和相应B积分值的变化规律。

a general platform of radio frequency system for millimeter wave fuze simulation

一种用于毫米波引信硬件仿真的通用射频平台

method using the cut-off frequency of the filter detection signal processing, analysis of different degree of injury and the relationship between ultrasonic guided wave signal.

采用截止频率法对检测信号进行了滤波处理，分析了不同损伤程度与超声导波信号的关系。

in succession, discussed the radiation condition of leaky coaxial cable, three working frequency bands of radiating wave.

接着，讨论了泄漏同轴电缆的辐射条件、辐射波的三个工作频段。

using cube corner arrays to restraining wave front aberration of low spatial frequency

用角锥棱镜阵列抑制低频波前畸变

the application of fuzzy mathematics and fuzzy control in frequency conversion output wave symmetry improvement

模糊数学和模糊控制在变频输出波形对称度改造中的应用

celestial gravitational wave source and the exploration to low frequency gravitational wave have also been discussed.

其中还介绍了天体引力波波源和现在低频引力波的探测现状。

it is an energy combination product to output high frequency wave and negative potential simultaneously.

复能产品，同时输出高周波与高压负电；

the conversion efficiency of frequency doubling is proportional to the power density of fundamental wave.

而倍频的转换效率与基波的功率密度成正比。

the precise and frequency requirement is very important for wave-front reconstruction and control in an adaptive optical system.

自适应光学波前重构和信号处理对精度和速度要求很高。

application of low frequency sound wave deashing device in deashing of gas pressure machine impeller

低频声波清灰装置在煤气加压机叶轮清灰中的应用

a driving source for ultrasonic standing wave motor with adjustable frequency, phase and amplitude

频率、相位、幅度均可调整的驻波超声马达驱动电源

study of analysis of instantaneous frequency in partial wave method

论局域波法中瞬时频率分析

time- frequency analysis and application of partial wave method

局域波法的时频分析及应用

based the above work, we can extend the frequency range of microwave signal source to millimeter wave band.

基于以上工作本文按照毫米波对信号源的要求，着力于解决系统内各部件的相互协调，完成Ka频段信号可调功率输出，实现了微波频率源的毫米波扩展。

as for millimeter wave communication system, it is generally required to have good performance of frequency stability and spectral purity.

而且，随着科技的进步，人们对毫米波系统的性能要求愈来愈高。

propagation of very high frequency radio wave

甚高频电波传播

fault location based on travelling wave for transmission line by considering the frequency impedance characteristics

考虑输电线路阻抗频率特性的高精度行波定位方法