shift frequency的例句大全

It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.

理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。

The results indicate that, under the thermal noise approximation, the measurement accuracy of Brillouin frequency shift is dependent on thermal noise, the derivative of the transmission function of the edge optical filter and the power of Brillouin scattering optical signal.

结果表明，在热噪声近似下，布里渊频移测量精度与热噪声、边缘光滤波器透射函数的导数及布里渊散射光信号功率有关。

Analysis of Influence on PD Radar of OCXO ′ s Frequency Shift

OCXO频率慢漂对PD雷达性能影响分析

A phase shift converter can achieve zero voltage switching on the leading leg and zero current switching on the trailing leg by utilizing the reverse avalanche characteristics of IGBT. This circuit can provide low switching losses when IGBT is operating in high switching frequency.

利用IGBT的反向雪崩特性，实现伪相移变换器前臂零电压、尾臂零电流开关，使IGBT可在高开关频率下运行，且降低了开关损耗。

In this paper, effect of alone defect contained in one-dimension iron magnet body on the frequency shift of the spin wave is discussed.

本文讨论了一维铁磁体中含有单个缺陷对自旋波频率移动的影响，结果表明，缺陷的存在会产生以缺陷为中心的局域自旋取向运动模式。

The more centered the corresponding visual field of the cortical area, the higher the cutoff spatial frequency. The spatial frequency tuning curves also tended to have a smooth shift along the cortical surface.

无论在周边对应区还是中心对应区，其视野越靠近中心，其空间频率调谐曲线和截止空间频率越靠近高频，而且这种过渡是平缓的。

Bone conduction threshold shift at speech frequency was associated with the ages.

语频骨导听力损失程度随着患者年龄的增加而逐渐加重。

A mathematic model of frequency shift of atmospheric Brillouin scattering light is established and the influences of the mathematic parameters, such as air temperature, air pressure, vapor pressure, on the property of Brillouin scattering have been analyzed.

建立了大气布里渊散射光频移的数学模型，分析计算了温度、水汽压、大气压力等大气参量对布里渊散射特性的影响。

Analysis of Frequency Shift Performance of Digital Phase Shifter

数字移相器移频性能的分析

A new type of high frequency convector, which consists of power factor corrector circuit and the technology of full-bridge soft-switch phase-shift resonance, can effectively reduce the convector's interference to the electric wire netting and improve the conversion efficiency of power supply.

一种能有效减少开关电源对电网的干扰和提高电源转换效率的新型高频开关电源，它主要由有源功率因数校正电路APFC和全桥软开关相移谐振控制技术共同组成。

Frequency Shift Method for the Determination of Non-Volatile Materials in Organic Solvents

有机溶剂中不挥发物的频移测定

There is a characteristic spiky fine structure in the scatter spectrum, which is of the dust-acoustic wave frequency shift.

散射功率谱在尘埃粒子声波频移处出现特征峰。

The Weiner algorithm can improve the estimation precision and it is more suitable when Doppler frequency shift is fast.

多普勒频移较大时，宜采用维纳内插方法进行信道估计，且可以提高信道估计精度。

Frequency shift image in nc-AFM is studied by silicon tip scanning over rutile TiO2 ( 001) surface in vertical route and superposition s1 route with different parameters.

以等垂直距离路径和径向叠加s1路径，非接触原子力显微镜微悬臂Si针尖在金红石TiO2（001）面各种形状量子点表面沿[110]方向扫描，研究不同参数下的自振频率位移图像。

Compared with other nonlinear phase conjugation, SBS phase conjugation technology plays a more important role in obtaining optical phase conjugation with the characteristics of small frequency shift, simple structure, high fidelity and high reflectivity.

SBS相位共轭技术是获得相位共轭光的重要手段，与其它非线性相位共轭技术相比，SBS相位共轭具有频移小、结构简单、高保真度和高反射率的特性。

Compared with other similar methods, this algorithm doesn ′ t need phase estimation. It estimates signal Doppler frequency shift directly by first-order differential structure. This technique may be easily implemented in programmable digital device, and calculate can target-radar radial velocity.

与其他数字鉴频方式不同，该算法无须进行鉴相，而直接采用一阶差分计算目标信号多普勒频移，便于在可编程数字器件中实现，实时计算目标&雷达径向速度。

Phase Shift Circuits at Variable Frequency Multifunctional& Phase-Control Variable Transformers Developed

变频移相电路多功能新型相控调压器研制成功

Monitoring of microbial inhibition process by bulk acoustic wave impedance technique and the relative frequency shift response model

用声波阻抗传感技术监测细菌的生长抑制过程及其相应的频移响应模型

among these, the method based on water proton resonance frequency ( prf) shift becomes the most promising way because of its linearity and tissue non-dependency.

有多种MRI技术可用于获得人体组织的相对或绝对温度，其中基于水质子共振频率偏移（PRF）的方法由于其线性和组织无关性而最多被采用。

The Frequency Shift Keying modulation is widely used in HF digital communication.

移频键控是短波数字通信中常用的一种调制方式.