调幅

As an absolute convergent course, it is developed on the base of threeparameter sine wave curvefitting method.

在此基础上讨论实现正弦载波的调幅信号的数字化精确解调问题。

But the rhythmical mean period, numbers of single stridulation of the SSG and the ...

但是蝉A鸣声的节律平均周期、SSG中单次声的个数和CSG中调幅脉冲列的重复频率等都明显地与蝉B有区别。

In this paper, AM receiver circuit design as the background, in order to improve the sensitivity and selectivity, it is necessary to the use of superheterodyne radio.

本文以调幅接收机电路设计为背景，为了提高灵敏度和选择性，就要采用超外差式收音机。

The periodic variation in amplitude of a wave produced by the superposition of two waves of different frequencies.

通信技术中的一种调幅信号，其载波的振幅在调制波形周期的某些部分减少到零。

A new type of vibrating roller with ungraded amplitude system is discussed in this pa -per.

设计论述一种新型振动压路机液压无级调幅系统。

Iheard also includes simulcasts offered by AM and FM radio stations on top of Internet-only radio stations.

iheard还包括：同时提供调幅及调频电台，再加上互联网，只有无线电台。

Cold deformation accelerates spinodal decomposition and increases its amplification factor.

冷变形加速调幅分解，并使其振幅扩大系数增大。

In construction design, there is still no a reasonable uniform cost about the rigidity amplification coefficient of center beam and boundary beam.

在结构设计中，选择一个合理的中梁、边梁刚度放大系数和选择一个合理的梁端弯矩调幅系数一直没有得到一个统一的值。

With a strong manufacturing capacity to the market gradually introduced a series of (such as vertical circle bottles, the bottles stickers automatic labeling machine, vertical small round bottle stickers automatic labeling machines, automatic horizontal adhesive paste Superscript machine, Chen Shui-bian double-sided bottle labeling, mechanical automatic grounds for bottles, labels and a few dedicated Dama Ji superscript, etc.) products, and have produced a complete set of automatic bottle packaging production line (PolyU bottle machines, variable frequency AM-screen machines, several films filling machine, a few pills of capsules, the Cypriot paper machine, plastic bottle-sealing machine, plastic bottle cap machine, sticker labeling machine, induction sealing machine, fully automatic Washing machines, etc.) Capacity.

凭借强大的制造能力向市场陆续推出了一系列的（如立式圆瓶、方瓶不干胶自动贴标机、立式小圆瓶不干胶自动贴标机、卧式不干胶自动贴标机、扁瓶双面贴标机、机械式自动理瓶机，标签专用打码机以及数标机等）产品，并且具备生产一整套完整的全自动瓶装包装联动线（理瓶机、变频调幅筛片机、数片灌装机、胶囊数丸机、塞纸机、塑料瓶封口机、塑料瓶旋盖机、不干胶贴标机、感应封口机、全自动洗瓶机等）的能力。

Achieve bilateral suppression of carrier signal amplitude of the time-domain and frequency-domain waveform simulation, The default sampling p...

实现双边带抑制载波调幅信号的时域波形和频域波形的仿真，采样点数默认为2^18。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。