高频返回散射电离图中最高观测频率、斜距的日变化规律；
Maximum observed frequency in HF backscatter ionogram and day variblelaw of slope distance.
同时实现了可包含所有观测频率信息的全频段MT偏移成像技术。
Simultaneously, a migration imaging technique using the whole MT observed frequency bands information was realized.
广泛用于信号监测、侦听、测向，配合相关软件，能自动观测频率占用度等。
It is now widely used for signal monitoring, interception, direction finding, with the software can automatically observing frequency occupation and so on.
本文将克立金方法延拓到时-空域，提出用时-空克立金方法进行地下水动态观测网密度和观测频率的优化；
This paper develops the kriging to space-time field, and presents space-time Kriging method applied to optimal design of groundwater regime observation network.
试验证明：同化效果的好坏与观测精度和观测频率密切相关，存在由于线性化和闭合假设带来的不稳定现象；扩展卡尔曼滤波本身具有强迫纠错作用。
The results indicate that the effect of the assimilation has a closed correlation with the frequency and precision of observation, has an instability brought by .
针对一类具体的应用，利用测量数据间的时域相关性分析了信息精确度与观测频率以及能耗与观测频率的关系，构建了信息精确度与能耗的关系模型。
The influence of Tgd factor is illuminated through the theory of establishing the VTEC model above pierce point by dual-frequency observation, its magnitude using practical datas is analyzed.
这个效应可以在时间域通过观测电压的衰变率来测量，也可以在频率域通过正弦电流和电压之间的相变来测量。
This effect can be measured in either the time domain by observing the rate of decay of voltage or in the frequency domain by measuring phase shifts between sinusoidal currents and voltages.
每次观测可以倒过来加权作为距离或作为频率的平方根。
Each observation could have been weighted inversely as the distance or as the square root of the frequence.
目前脉冲星普查的有限探测灵敏度和大的频率漂移，使我们难以观测到更遥远的脉冲星。
The limited sensitivity of present pulsar surveys and the greater frequency drift make the more distant pulsars difficult to observe.
通过观测一维像序列的长度变化周期，提取目标的章动频率；
By observing the periods of the target length variant, the frequency of nutation is deduced.
在海洋平台上观测到了冰致结构的稳态振动，以及冰力和平台响应问的频率锁定现象。
The phenomena of ice-induced steady state vibration and frequency lock-in between ice force and response were observed on offshore platform.
赛沃尔·劳埃特认为把每次观测直接加权作为花粉频率是可取的。
Sewall Wnight thought it desirable to weight each observation directly as the pollen frequency.
提出了一种频差估计的新算法，该算法结合观测序列的周期图和自相关函数进行频率估值。
A simple algorithm for frequency offset estimation is proposed, which estimates the frequency offset with the periodogram and the correlation function of the observation samples.
通过水中爆炸水击波及其多次脉动的观测，分析了水击波及其多次脉动的传播速度、脉动周期、频率及能量分布等特性。
Through observation on shock wave and multiple pulsating caused by underwater blasting, the velocity, period, frequency and energy of shock wave and multiple pulsating are analysed.
笔者指出，当入射引力波和高斯束不同频率时，高斯束谐振系统产生的一阶扰动光子流没有观测效应。
This paper points out that the first-order perturbation photon flux produced by this system has not observed effect when GWs is different from frequency of Gaussian beam.
在小角位移的情形下，可近似得到相应的无阻尼线性系统的固有频率，它与观测结果吻合。
In the case of small angular displacement, the natural frequency of the corresponding damping-free linear system is obtained, which is consistent with the experimental observation.
在双通道示波器上可直观地观测拍现象，并利用拍振动曲线测量交流电的频率。
The phenomenon of beats can be observed directly on the double-channel oscillograph and the frequency of alternating current can be measured by the vibration curve of the beats.
预测与观测结果频率（适当校准）相一致，并在两个数据集中呈现出很好的鉴别能力（AUC0.85 ）。
Predictions agreed well with observed outcome frequencies (adequate calibration) and showed a very good discriminative ability (AUC 0.85) in both data sets.
根据实验观测所得的大量数据，定性总结了液晶斑图所具有的多种相态，以及它们在不同电压幅值和频率下相互演化的基本趋势。
According to the data obtained from our observation, we summarized the evolution tendency of ld patterns in different phases under different amplitude and frequency of electric field qualitatively.
本文观测了光抽运实验中不同频率的微波跃迁之间的相互影响，并讨论了光——微波抽运方案用在气泡中的可能性。
The mutual influence between different microwave transitions in optical pumping experiment is observed. The possibility of applying the Optical-microwave pumping device in gas cell is discussed.
研究了频率域电磁测深中水平电偶源漏电对观测数据的影响。
The influence of current leakage from horizontal electric dipole on frequency electromagnetic sounding data was studied in this paper.
基于观测出的状态信息，构成了转差频率控制的转矩速度双闭环新型变频调速系统。
Utilizing the information observed, a new type of slip frequency controlled torque-speed double closed loop system is developed.
通过现场试验和爆破地震效应的观测，选取了较为合理的爆破微差时间及相应的爆破地震频率，降低了矿区附近的爆破地震效应。
Proper millisecond time of blasting and corresponding frequency are chosen to decrease the blasting effects on buildings near the area of coal strip mine.
通过定点观测的方法对商业区、工业区、社区和森林公园的热岛发生频率及其强度进行了研究。
The frequency and intensity of urban heat island in commercial landscape, industrial landscape, residential landscape and forest landscape were studied through fixed point measurements.
为了克服激发极化观测中经常遇到的电磁耦合干扰，以往研究大多基于电磁耦合的频率特点。
In order to remove the electromagnetic coupling interference which was encountered frequently in IP measurement, most previous studies were based on the frequency characteristics of em coupling.
明暗条纹出现的位置和宽度与雷达观测角度、距离向分辨率、以及雷达工作频率等有关。
The position and width of interference pattern were related to the observing Angle, range resolution and carrier frequency.
明暗条纹出现的位置和宽度与雷达观测角度、距离向分辨率、以及雷达工作频率等有关。
The position and width of interference pattern were related to the observing Angle, range resolution and carrier frequency.
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