频率曲线

This paper also describes the form and application of particular integral tables obtained on a digital computer and discusses how to calculate frequency response characteristics on an a.c.

本文对利用电子计算机编制的特殊积分表的形式和用法，以及利用交流计算台求解频率特性曲线的具体方法，均作了分析介绍。

The ratio of skewness to variationR_(sv characteristics of the Pearson type Ⅲ frequency distribution are approached;the regional distribution of R_ and the R_-duration relation are analyzed,and the same affected factors on R_ are studied.

探讨了皮尔逊Ⅲ型频率分布曲线的Rsv特性；分析了Rsv的地域分布、Rsv与雨量历时的关系，并研究了对Rsv有影响的多个因子。

In the incidental light, the transition matrix element, transition probability and frequency, the selection rule, the energy level structure are discussed step by step.

讨论了光场作用下，量子点中电子的跃迁几率、跃迁频率、选择定则和能级结构，并给出了吸收系数α的解析表达式和相应的吸收曲线。

The behaviors of the driven field and radio field are studied in this paper and it can be seen that the forming of EIA or EIT and the whole probing properties are controlled by the Rabi frequencies of both driven field and radio field.

本文对新引进的驱动场的作用规律进行了重点研究，研究结果表明，当驱动场和射频场的Rabi频率满足不同关系时，系统呈现EIA或EIT两种不同特性，探测吸收曲线的整体轮廓也随之改变。

Relationship between Frequency change and target DNA concentration showed a simple saturation curve.

采用膜表面自组装技术，能使DNA探针与膜牢固结合，且分布均匀；探针与靶序列浓度增加均使压电传感器上杂交量增加，但探针浓度过大时反而抑制杂交，靶序列浓度与频率变化之间呈饱和曲线关系。

The waves are sinusoidal in nature, and they have an amplitude and a frequency.

声波实质上是正弦曲线，它有振幅和频率。

With the amplitude and phase compensation method,the compensation function is developed by the stroboscope analysis of import signal and frequency characteristic identification of production system.

幅度相位补偿法能通过对原输入信号的频谱分析和对加工系统的频率特性辨识来确定补偿函数，经补偿后的输入信号能明显改善活塞的误差曲线，从而提高活塞的加工精度。

In the cold head office and the arrangement of vascular elbow gold - iron thermocouple thermometer, in the pulse tube hot end, the hot end of regenerator arrangement of pressure sensors and data acquisition.

试验系统还包括抽真空系统，数据采集系统等。4 试验结果及分析初步试验是在压缩机充气压力为1.6MPa，工作频率为2.5Hz的条件下进行的，经过反复多次试验，我们的新结构的四阀型脉管制冷机能够达到的最低温度为72K，图4示出了最佳小孔开度下的制冷机的降温曲线。

MethodsTwenty volunteers with normal hearing level and tympanic pressure were enrolled and kept at airtight container. The inner pressure was changed to 2 kPa and 4 kPa below normal atmospheric pressure in 50 s and recovered to the normal pressure, the pure tune hearing threshold of 500, 1 000 and 2 000 Hz and tympanic pressure were measured, and acoustic impedance curve characteristic and tympanic membrane appearance were recorded at each time points.

方法选取听力和鼓室压力正常的受试者20例，即单耳40耳，评估其于50s改变密闭模拟电梯容器压力低于正常大气压2kPa、50s改变密闭容器压力低于正常大气压4kPa、以及压力恢复至正常水平时，言语频率500、1000、2000Hz的纯音听阈，鼓室压值和声阻抗曲线图形形态，以及鼓膜形态。

The blue and green curves show respectively the response of the woofer and the tweeter.

蓝色和绿色曲线分别地显示了低音喇叭和高音喇叭的频率响应。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。