frequency ratio的例句大全

Influences of electrolytic parameters ( the ratio of ton to toff, frequency, mean current density and temperature of electrolyte) on synthesis of nano-fibrous PANI were studied in detail. The process conditions were optimized.

详细探讨了电解工艺参数（脉冲占空比、频率、平均电流密度以及溶液温度）等对纳米纤维聚苯胺膜合成的影响，获得了制取纳米纤维聚苯胺的最佳工艺条件。

And the effect of the wave parameters and structure parameters such as wave height, wave frequency, the floating body cell length, floating body cell width, joint transmission ratio, weight block location are studied.

开展了波浪特性参数与关节结构参数对关节获能特性的影响研究，其中包括：波高、波浪频率、浮体单元长度、浮体单元宽度、关节传动比、配重块位置等。

( 2) the student extracurricular bodybuilding club bodybuilding habit male, girl student number ratio difference, part of the bodybuilding behavior girls better than boys, especially in exercise frequency and exercise time is particularly prominent.

课外健身俱乐部学生健身行为习惯男、女生人数比例存在差异，部分健身行为女生好于男生，特别是在锻炼的频度和每次锻炼时间方面尤为突出。

The influence of two parameters, frequency and pulse width ratio of wave pulse brush plating speed about, is studied on the base of experiment in this paper.

在低频范围内，通过试验研究了矩形波脉冲频率f，脉冲宽度比B对刷镀速度的影响规律。

In offshore Qinhuangdao, some unfavourable factors such as severe high frequency attenuation, low signal/ noise ratio, weak reflection coefficient, discontinuous seismic event, too big line spacing and so on, restrict the improvement of seismic resolution.

秦皇岛地区存在的高频衰减严重、信噪比低、反射系数弱、同相轴不连续、设计采集线距太大等不利因素制约了分辨率的提高。

Frequency tables and Statistic graphs were applied to indicate the ratio of blood components transfusion, the effect and side effect as well as suitability of blood components transfusion.

应用分类资料频数表及统计圆图对近5年成分输血率、输血适当性及各种成分输血的输注效果、不良反应进行统计分析。

The capacitance ratio based on the displacement and electrical potential solutions in the vicinity of the overtone resonant frequency will be an important parameter for validation of theoretical results with actual measurements.

在泛音谐振频率附近计算出的由位移和电势解表示的电容比是一个重要参数，可以与实测结果比较从而进行验证。

The 10 mol% Sm composition exhibits high anisotropy in electromechanical coupling factors with a ratio of K_t/ K_p> 50.These materials appear to be useful especially for high frequency transducer arrays.

当钐含量为10mol%时，这种材料具有很大的机电耦合各向异性，其K t/K p值可大于50。这种材料，在高领阵列换能器方面，有重要的应用价值。

Simulation results show that in the same case, RAKE receiver using automatic frequency correction provides higher signal-to-noise ratio and lower error probability compared without automatic frequency correction.

仿真结果表明：在相同条件下，采用自动频率校正的RAKE接收机与未采用自动频率校正的RAKE接收机相比，信噪比提高，误码率下降。

The hypertension constituent ratio, the frequency distribution of blood pressure and pulse pressure difference, and the lesion areas in 95 aged patients with cerebral lacunae infarction ( CLI) proved by CT were compared and analysed.

对95例经CT证实为腔隙性脑梗塞（CLI）的老年病人的高血压构成比、血压和脉压差频数分布情况、及其病灶面积做了分析和对比研究。

Dynamic tests mainly test the characteristics such as natural frequency, vibration mode and damping ratio, and also test the influence to the frequency of bridge when model car on different positions and the response of vehicle-bridge coupling vibration system under positioning disturbing force.

动力测试主要测试模型桥的自振频率、振型、阻尼比等动力特性，并测试模型车静止于模型桥的不同位置对桥梁频率的影响以及定位激扰力作用下车桥耦合振动系统的响应。

when the ratio of gas charging time to gas exhausting time(ζ) equal to 0.1763, the frequency of the highest cooling efficiency will occur at higher order oscillating frequency.

当充、排气时间比为0.1763时，最佳射流激励频率出现在高阶峰值振荡频率上。

The using ratio of the electric energy is greatly raised by using the feedback energy from the primary winding of the high frequency transformers.

该电源采用双管正激的主电路结构，用高频变压器的电感取代了限流电阻，利用了高频变压器初级绕组的反馈电能，极大提高了电能利用率。

It was found that at the same superficial gas velocity, bubble frequency and rise velocity are independent on the aperture ratio, hole diameter and baffle plate distance ( the ratio of the baffle plate distance to the bed diameter is smaller than 3).

结果表明，在一定的气速下，挡板的开孔率、孔径和板间距（级间高径比小于3）对气泡频率和气泡速度的影响较小；

The frequency bandwidth increases first and then decreases while the dimension ratio of the back blind flange increases, the bandwidth obtains optimal value just as the dimension ratio achieves at about 1.

频带宽度则随着后盖板径长比的增加而先增大后减小，且当后盖板径长比约为1时可得最优带宽。

Frequency conversion air condition system characters continuous regulating refrigerant volume, Consequently air condition system can be optimized to run in various work condition, and season energy effect ratio ( SEER) is enhanced obviously, therefore its control method is a research hotspot in refrigeration field.

变频空调系统具有连续调节制冷剂流量的特性，从而使系统在各工况下均可优化运行，显著提高季节性能比，故其控制方法的研究一直是国内外制冷界研究的热点。

A method for model reliability analysis is proposed which estimates the model reliability by comparing the Signal-Noise Ratio of models that reflect the spatial frequency spectral signal and errors.

研究并提出了对模型进行可靠性分析的方法，通过计算模型的信噪比反映了各模型空间频谱信号和频谱误差的强度，对模型的可靠性做出分析。

Before it is compensated, Doppler ratio has to be estimated. The Doppler estimation algorithm proposed in this paper estimates Doppler shifts using DFT. This algorithm computes Doppler rate by estimating frequency offset.

文中提出了一种利用DFT进行Doppler估计的有效算法，该算法通过估计频率偏移来计算Doppler率。

The signal of 5 × 10-9 M. DPPH may be observed on the oscillograph. The ratio of signal to noise is 2:1. The operation frequency is 9690 Mc,/ s.

在示波器上可以观察到5×10~（-9）克分子DPPH的讯号，讯号噪声比为2：1，仪器的工作频率是9690Mc/s。

Usually it was thought the molecular concentration was in direct ratio of the absolute value of discharge current for concentration modulation technique& twice the discharge frequency f.

浓度调制通常被认为是瞬态分子的浓度正比于放电电流幅度的绝对值，即为放电频率f的2倍。