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In the analysis of the frequent spectrum and the reflection coefficients, based on Godas two-points method which fit to the normal incident wave, a modified two-points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular, the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed, also from which in theory the waves could be measured in two wave gauges which is disposed at any direction.

为了分析单向不规则波入射波的频率谱和反射系数,本文在Goda用于分析正向不规则波的两点法的基础上,提出了可用于斜向不规则波频谱分离及其反射系数计算的改进两点法,该方法可用于计算任意波浪入射角的入、反射波谱、总体反射系数和反射系数的频率谱,并且测量波浪过程的两浪高仪可在较广的方向范围内布置。

The strong FSGS and large genetic patches may induced high level of biparental inbreeding, which reduced effective outcrossing rate.

综合野生大豆遗传多样性水平、遗传结构与交配系统的研究进行分析,在制定野生大豆保护策略特别是原位保护策略时,保持种群生境一定程度的自然扰动可以打破种群内空间遗传结构或是减弱空间遗传结构,这将提高有效异交的频率,增加种群内杂合子的频率,从而维持种群内较高的遗传多样性水平,保持野生大豆的进化潜力。

Studies the high precision estimation methods of echo frequency, proposes a simplified TLS-ESPRIT method for frequency estimation based on uniform sampling data. For moving platform, such as torpedo, proposes a time fusion algorithm for target status estimation based on multicycle data of single sensor.

c。深入研究了回波信号的高精度频率估计技术,提出了一种基于均匀采样数据的TLS-ESPRIT频率估计算法;针对运动平台,提出了一种单传感器多测量周期目标状态估计的时间融合算法;以炸点预测为例构造了相应的状态模型及算法,计算机仿真验证了融合算法的有效性。

For high-frequency words, there was no phonologically mediated priming effect, and for low-frequency words, the phonologically mediated priming effect, although significant itself, was statistically different from the direct semantic priming effect.

实验结果发现频率较高的词的加工中没有语音中介启动效应,在频率较低的词的加工中得到了语音中介启动效应,但是这种中介启动效应与直接的语义启动效应有显著差异。

By using the Ricker wavelet and thin inter-beds model data, taking Morlet wavelet, MSW wavelet (A mother wavelet which can match seismic wavelet) and three-parameters wavelet as mother wavelet respectively, the calculated instantaneous frequency is analyzed. Results show that the instantaneous frequency analysis based on three-parameter wavelet has good anti-noise ability and higher temporal resolution.

利用Ricker子波和薄互层模型数据,分析了以Morlet小波、匹配地震子波的小波及三参数小波为基本小波计算的瞬时频率,结果表明:基于三参数小波的瞬时频率分析方法具有良好的抗噪性能及较高的时间分辨率。

Due to FC nature of the repeater, FC repeater uses twice as much frequency as the conventional CS, PS, or amplifiers. Thus, one must pay special attention not to let the signal leaks out to the un-intended coverage area, especially areas under noticeable frequency blockage. When used for outdoor application, it should only be used for low traffic areas.

由于变频直放机的工作需要占用比一般设备(基站、手机、基站放大器等)多一倍的频率资源,所以在应用中要注意:用于室内覆盖时避免直放机与手机通信时的信号泄漏到话务量很高的室外引起频率阻塞;用于室外覆盖时,应该使用在基站稀疏,话务量低的区域。

The number of the frequency division of the method and the circuit structure thereof do not influence the highest frequency of the working circuit. The normal work of the frequency division circuit can be at a comparatively high clock frequency, and the clock frequency division can be realized in the manner of cascade connection of the frequency division circuit so that the scale of the circuit realization can be properly reduced.

本发明所述方法及其电路结构的分频数大小不影响电路工作的最高频率,可以使分频电路正常的工作在相对很高的时钟频率,而且可以通过分频电路级联的方式实现时钟分频,从而可以适当减小电路实现的规模。

We also found that the higher the frequency of aspirations performed, the higher was the adequacy rate of aspirated smears. Moreover, the greater the number of slides prepared by aspirators, the higher was the smear adequacy rate.

我们也发现穿刺者执行细针穿刺的频率愈高,所获得的抹片的充足性愈高,且发现穿刺者采取的片数愈多,所抽取的抹片充足性也愈高。

Reservoir bed is distinguished by providing the information about resistivity of formations using Electromagnetic Propagated Resistivity Logging method with several mega-hertz operation frequency. The information of dielectric constant of invaded zone is provided using Ultrahigh-frequency Electromagnetic Wave Logging method with above 200 mega-hertz operation frequency, which has no enough radial investigation depth but has a good vertical resolution.

几兆赫兹电磁波传播电阻率测井通过提取地层电阻率的信息来判别油层,以SPPRRYSUN公司源频率为2MHz的EWR-3D测井仪为代表。200 MHz以上的超高频电磁波传播测井具有很高的垂向分辨率,但探测深度太浅,基本上只能反映侵入带介电常数的信息,SCHLUMBERGER公司已推出源频率为1 。1GHz的EPT测井仪。

It shows that, because of HOMW, the sound wave in expansion chamber is not in plane form; HOMW can decrease the capability of muffler; and the positions of inlet and outlet are important to the performance of mufflers.

结果表明,由于高次波的存在,消声器内部不一定是平面波;高次波对消声器性能有一定影响,能使某些频段的消声量下降,甚至失效;适当选择进出口管位置能抑制某几次高次波的出现,扩展消声器的有效频率。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。