通过原子上能级与光子频率带隙边缘的相对位置或者光子态密度，可以抑制或增强原子的自发辐射。
Spontaneous emission can be totally suppressed or strongly enhanced depending on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density.
将电磁带隙材料用于孔径耦合微带天线的设计，利用其频率带隙抑制天线中激励的表面波，分别考虑高介电常数和低介电常数的情况。
The electromagnetic band-gap (EBG) materials is used to design the aperture coupled patch antennas, and both high permittivity and low permittivity materials are considered in this paper.
当你注视某块屏幕时，你头上所带的电极帽将会监测到你大脑视皮层所发出的那个相对应的频率。
If you stare at one quadrant, your visual cortex will emit a corresponding frequency, which is detected by an electrode cap covering your head.
t选项显示整个行，带一个值的-s选项以指定的频率刷新信息。
The -t option displays a total line, and the -s option along with a value refreshes the info with the frequency specified.
方法分析了带通采样信号的频谱和规律，导出了低速采样频率的选取公式。
MethodsAnalyze spectrum of the sample signal and propose the formula of common sample frequency in low speed.
通过和单自由度线性弹簧-质量-阻尼系统进行比较，得到该带裂缝梁结构的等效自然频率和等效粘滞阻尼比。
The equivalent viscous damping ratio and the equivalent natural frequency are obtained by comparing the system with a purely linear, spring-mass-damper system of single freedom.
环氧地坪的日常的使用时会造成一些磨损和破坏，所以我们一定主要一些使用事项，不要重压，不要使用带腐蚀性的东西，各种叉车、液压车的使用频率等。
When daily use will cause some wear and tear epoxy floor, so we must use some of the main issues, do not stress, do not use corrosive stuff, all kinds of forklifts, hydraulic car use frequency.
这带著频率的开口将发生于11-11(2009年11月11日)，就是其中之一将光投射到所有的这些层面上，真理上，这些门户在11月2日的满月时就已开启，谈到关于11-11，应做好准备，在12-12时尽可能以群体方式聚集并释放。
The frequencial opening that occurs on the 11-11 (11 November, 2009) is one that cast light on all of these aspects. In truth its door has been opened since the full moon of November 2nd.
双反射带通箱，由于它的导向孔在很大的频率范围内控制了锥盆动作，所以产生的失真最小，同时还表现出最好的功率承受特性。
The dual-reflex bandpass, due to the fact that its ports control cone motion over a wider range of frequencies, produces the least distortion and exhibits the best power-handling characteristics.
带通滤波器的特性通过两个参数表示：带通中心频率和共鸣带宽。
Two parameters are used to specify the characteristics of a BPF: passband centre frequency and resonance bandwidth.
变电站的系统频率由电力网的有功负荷来决定，当系统频率超出允许范围时，应及时调整所带负荷以稳定系统频率。
System frequency of substation is dependant on active load of power grid. when system frequency exceeds allowable limits load shall be regulated immediately for stabilization of system frequency.
本文采用地层倾角方位频率图和蓝模式矢量方向研究古水流方向和沉积砂体延伸方向和沉积砂体的相带变化特征。
The dip frequency plot and vectograph of blue mode were used to study the paleocurrent, the extension o.
通过键盘设置参数，实现放大器放大增益步进调节、滤波器带通频率步进调节功能。
Its parameters can be regulated by keyboard in order to control amplification and cutoff frequency by step.
并针对不同的滤波器长度N和频率向量的设置（传统对称或偶对称），设计出了4种全相位半带滤波器。
Moreover, corresponding to different filter length N and frequency vector setting modes(traditional symmetry or even symmetry), 4 types of all-phase half-band filters were designed.
文中充分利用了目标信号的频率、幅度和增幅速率这三个特征量，设计出具有幅度检测、增幅速率检测、带外干扰信号检测的信号处理器。
In this paper, a signal processor, which can measure frequency, amplitude and amplitude-increasing velocity, is contrived by making full use of these three characteristic parameters.
目的用公共的低速采样频率对全频段内许多不同频点的带通信号进行采样。
AimTo use the common sample frequency in low speed to the sample of band-pass signals of multiple different frequency point in full frequency rage.
参数检测和带载放电同时进行，单片机控制，可自动检测三相电压、电流、频率等参数。
Parameter test and load discharge can process at one time. It is controlled by CPU, and can automatically test three-phase voltage, current and power ETC.
滑动窗能谱带的逐渐转移，表示频率的逐渐变化，反映净沉积速率的逐渐变化。
Gradual shifting of the spectral bands indicates the gradual changes of frequency, which reflects the gradual changes of net depositional rate.
由于隧道开挖采用多段微差爆破，所以多数实测爆破地震波中存在多个优势频率峰值，能量带分布很宽。
Multi-millisecond blasting is used in tunnel excavation, so there are several dominating frequency peak values in actual observation blasting seismic, and the energy distribution belt is wide.
酶带频率变异与树高、胸径、材积生长相关性很小，只有B _(45)酶带与生长相关达到或近于显著水平。
The correlation between frequency variations of enzyme bands and tree height, DBH and volume was very small. Only B45 band came up to or closed significant level.
捕捉到这一附加值，积分必须从提高工作频率宽禁带(WBG)设备和温度的全部优点。
To capture this added value, an integrator must get the full benefit from the increased operating frequency and temperature of wide-bandgap (WBG) devices.
理论分析表明，非线性TM表面波存在频率通带和禁带，通过调节导波功率可以实现通带和禁带之间的转换。
The theoretical results show that for TM waves there exist frequency passband (s) and stopband (s) which can be switched into each other by varying the power.
另外，在函数类型上使用椭圆函数型，使带外出现有限频率传输零点，进一步提高了带外抑制能力。
In addition, the stop-band rejection can be further increased by using elliptic filter function which has limited frequency transmission zeros.
带红外线遥控，可对音响和各种音柱任意遥控设置音量、地址码、频率。
With the infrared remote control, it can set the volume, address code, frequency for the various column loudspeakers willful remote control of the sound.
采用模匹配技术对带通型频率选择表面进行分析，其中单元内的场用有限元法解出。
In this paper, band pass frequency selective surface was analyzed by mode matching technology.
采用简化的方法确定锁相回路的极限环频率极限，推导出捕捉带的一般表达式；
The simplified method has been adopted to confirm the limit frequency of limit circle of phase-lock control loop. The general expression of the capture band has been derived.
该结构在光子晶体中构成光波导，能使光子禁带中不同的被选择的缺陷态频率的光子以极低的损耗通过。
This structure can form a wave-guide in photon crystals and light can propagate in it with different selected frequency in photonic band gap with low loss.
其次，在一般连续体拓扑优化的基础上，对孔洞的形状施加几何约束，开展了带规则几何约束的连续体频率拓扑优化研究。
Secondly, based on the common topology optimization of continuum, by restricting hole's shape, frequency topology optimization with regular geometrical constraints is studied.
其次，在一般连续体拓扑优化的基础上，对孔洞的形状施加几何约束，开展了带规则几何约束的连续体频率拓扑优化研究。
Secondly, based on the common topology optimization of continuum, by restricting hole's shape, frequency topology optimization with regular geometrical constraints is studied.
应用推荐