本方法对目标回波信号采用了相干视频模拟法，在视频上模拟目标回波的多普勒频率。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
研究表明不论是准单色还是多色的部分相干空间光孤子在传输过程中都不是严格稳定的，并且多色光孤子的稳定性受到频率的影响。
The study shows that both kinds of solitons are all unstable, and we find the stability of polychromatic partially coherent optical spatial solitons is affected by light frequency.
因此在工程计算中不计相干函数随频率的变化不会带来太大的误差。
So, in engineering computation it is acceptable to neglect the directional variation of coherence value with frequency.
讨论了利用混合介质受激布里渊散射效应调谐激光频率和产生可调谐相干声辐射的可能性及意义。
The significance and possibility of the use of stimulated Brillouin scattering of a mixed liquid media in tuning laser frequency and generating tunable coherent ultrasonic radiation are discussed.
测量结果表明，接收截面随着入射场的频率变化波动很大，微波相干效应十分明显。
Measured results indicate that the receiving areas vary greatly with the frequency of the incident wave and the microwave coherent effect is obvious.
用密度矩阵的方法从理论上分析了不同频率的两个激光场混合泵浦的光纤放大器中，由光场诱导的原子相干效应。
The effects of atomic coherence on fiber amplifiers pumped by two lasers with different frequences are studied by using density matrix theory.
相干光具有稳定的频率和连续的波长，所以用来作为参照，以衡量不同反射光之间的差异。
Because the coherent light has a consistent frequency and wavelength, itis used as a reference with which to measure the differences in the reflected light.
本文对光子晶体光纤扩谱产生的超连续光学频率梳的脉冲-脉冲相位相干性进行了实验研究。
In this paper we reported an experimental study of the pulse-to pulse phase coherence of an PCF generated super-continuum.
给出了全相参雷达频率源的中频相干振荡源及时钟频率之间的最佳频率关系。
Best frequency relation is given between IF coherent oscillating source and clock frequency of full coherent radar.
当两相干光附加一按固定频率变化的相位差时，其干涉条纹的光强将随之交变，即为相位调制干涉。
In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.
如果两束光是相干光，那么它们具有相同的频率，并且相互间的波峰和波谷步调一致。
If two light waves are coherent, the waves have the same frequency, and the peaks and troughs of light waves are exactly aligned with one another.
现代短波通信系统，其信道大多数具有频率的选择性，多径传输产生了信号的相干衰落与符号干扰。
In modern shortwave communication systems, the channels are mostly frequency-selective, multipath transmission causes the coherent attenuation and symbol interference.
以相关法为例，分别研究了仅有一个频率成分时和含部分相干成分时同源信号的TDE。
This paper worked on TDE in the cases of only one frequency and coherent components in the source based on the correlation TDE method.
激光器产生的光与非相干光不同，它实质上只有一个频率。
Laser-produced light is different from incoherent light. It is essentially of one frequency.
然而，中继器可以互相干扰，除非他们足够远或传送在充分分离的频率。桘。
However, Repeaters can interfere with one another unless they are far enough apart or transmit on sufficiently separated frequencies.
随相干光场平均光子数的增加粒子数反转的振荡频率增大；
With the increase of the average photon number of the coherent light field, the oscillation frequency of the atomic population inversion increases correspondingly.
单频率且波同步的光叫相干光。
Light that is of one frequency, with the waves in step is called coherent light.
单模腔场的压缩性质受到外加驱动场的拉比频率，腔模频率与外加相干场频率的失谐量以及腔场衰减速率的影响。
The squeezing of the single mode cavity field is influenced by the driving field Rabi frequency, the cavity-mode frequency detuning from that of a coherent external field and the cavity decay rate.
纵振与表面振动的总体相干水平不高，只在部分频率段具有较高的相干函数；
The results show that the surface vibration of the crankcase is induced by 3-D vibration of the crankshaft.
纵振与表面振动的总体相干水平不高，只在部分频率段具有较高的相干函数；
The results show that the surface vibration of the crankcase is induced by 3-D vibration of the crankshaft.
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