frequency change的例句大全

in the design of sensor unit, the thesis adopts the measuring method that combines optical technique with electronic technique. the sensor unit makes use of the combination of photo transistor, led and electronic circuit to detect the frequency change of the oscillating tapered element.

在传感器的设计部分，确定了以光、电结合的检测方法，运用光敏晶体管、发光二极管和电路的组合来检测锥形元件的振荡频率。

However, the air change in the amount of information in the underwater acoustic communication, time-varying, frequency change and other characteristics caused by inter-symbol interference, seriously affecting the quality of communication.

但是，水声通信中信息量的空变、时变、频变等特性引起的码间干扰，严重影响了通信质量。

Quartz Crystal Microbalance ( QCM) is a mass detector based on quartz crystal oscillation, employed to monitor samples real timed, on lined by frequency change associated to mass change of analysis matter.

石英晶体微天平（QCM）是一种基于石英晶体振荡的质量检测技术，基于振荡器对分析物的质量吸附导致频率改变这一关系可对待测物实行实实时、在线的检测。

Application of frequency change speed governor in AC motor used for heat treatment in boiler making industry

交流变频调速器在锅炉制造行业热处理炉风机上的应用

The Effect of Respiratory Frequency Change on Tidal Volume and Minute Volume during One-lung Ventilation

单肺通气时改变呼吸频率对潮气量和每分钟通气量的影响

A simplified lntegration Method for Reaction Rate Laws in Several Substance; Finite element analysis on modal frequency change regulations of the damage simple-supported beams

多种反应物的化学反应速率简便积分方法损伤简支梁模态频率变化规律有限元分析

Frequency change and heart rate variability analysis of day and night-time in patients with coronary heart disease of ventricular premature beats

冠心病室性早搏发生频次的昼夜节奏变化与心率变异分析

The results show that: as for the time and frequency change of fog and haze visibility in Shanwei, the maximum value occurred at 8 ∶ 00, then declined gradually from 8 ∶ 00 to 14 ∶ 00, and the minimum value at 14 ∶ 00;

结果表明，汕尾市雾霾天气能见度的时次变化都是在08时次出现最多，在08~14时次逐渐减少，在14时次出现最少；

detection by chaotic oscillator on weak signal slowly frequency change of mechanical vibration

机械振动微弱慢频变信号的混沌振子检测

Consumer is mixed to mature digital frequency change quickly of video recreational demand.

生产者对成熟的数字音频和视频娱乐的需求一日千里.

Abstract: the frequency change and speed adjusting has become the backbone of modern electrical transmission and it is the necessary technics of modern chemical fibre industry.

摘要：变频调速技术已成现代电气传动的中枢，也是现代化纤行业必备的工艺技术。

Objective: To find out frequency change parameters of four phonation methods ( minimum, natural, maximum and falsetto maximum voices) and different maximum phonation persistent time ( MPPT) of them in patients with glottis closure disturbance ( GCD).

目的：了解声门闭合不良4种发声方式（最低音、舒适音、真声最高音和假声最高音）和不同发音持续最大时间（最大声时）的频率变化参数。

Optionally, you can list additional information for each URL, including its last modification date, its change frequency, an expiration date, and a priority value.

您可以选择性地为每个URL列出额外的信息，包括URL的最后修改时间、更改频率、终止日期和优先值。

In this paper, a type of NC lathe's main transmission agent by using a frequency modulation AC Spindle Motor and a tree speed gear box to make the spindle speeds be stepless change was present.

介绍一种以交流变频调速主轴电机驱动、串接一个3档分级变速机构，实现主轴无级变速的数控车床主运动传动系统。

The coaxial inner slotted structure waveguide is simulated and analyzed numerically, the change of the work frequency and space between work modes of coaxial structure is studied with the inner slotted.

通过仿真和数值分析，研究了同轴波导加内开槽后模式之间间隔和工作频率前后的变化情况；

The information entropy drops further, change of average link length is the same with that in the fourth period and accumulation slide frequency of the precursors increases one month before the earthquakes ( fifth period).

震前1个月（第5阶段）信源熵值进一步下降，平均键长变化维持在第4阶段的水平，累积滑动频次增加。

Finally, the impedance characteristic of piezoelectricity transducer and the principle of frequency tracking were studied. Software phase-locked loop was used to track self-adapting frequency, and arithmetic of frequency tracking based on change step and dichotomy was presented.

最后，对压电换能器的电抗特性和频率跟踪原理进行研究，采用软件锁相环进行了频率自适应跟踪设计，提出变步进与二分法相结合的频率跟踪算法。

However, the daily range of temperature and strong wind frequency are much higher than that of Zhongshan Station. The change of wind direction correlates with weather system that impacted Grove area.

结果表明：夏季格罗夫地区温度日变化和盛行风向与中山站相类似，但温度日较差和强风频率比中山站大。

In time domain, the harmonic wave does not change frequency when passing through the reflection coefficients system, coinciding with the condition of linear time-invariant system, so, the synthetic seismograph in time domain can be computed by convolution of wavelet with reflection coefficients sequence.

在时间域中，谐波经过反射系数系统后不改变频率，符合线性时不变系统的条件，因此在时间域中可以用子波与反射系数序列褶积的方法计算时间域合成地震记录。

It is found that the number of the modes and the cut-off frequency and the ratio of the peak of| Ex| to| Ey| of a same mode change with applied electrical field.

与外加电场前的情况进行比较，发现传输模式的数量及同一模式的截止频率和Ex和Ey峰值的比值都随外加电场发生变化。