modulation

n. [电子] 调制；调整

n.

调制；调幅度；移调；

变形

复数：modulations

英英释义

modulation[ ,mɔdju'leiʃən, -dʒu- ]

n.

a musical passage moving from one key to another

同义词：transition

(electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase

rise and fall of the voice pitch

同义词：intonationpitch contour

a manner of speaking in which the loudness or pitch or tone of the voice is modified

同义词：inflection

the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)

词组短语

frequency modulation调频

pulse width modulation[计]脉冲调制；脉宽灯；脉冲间隔灯

phase modulation相位调制；调相

amplitude modulation (AM)幅度调制；振幅调制

amplitude modulation (am)幅度调制；振幅调制

amplitude modulation调幅；波幅调制

modulation method[物]调制法

digital modulation数字调制

pulse modulation脉冲调制；脉冲灯

modulation scheme[计]调制方案

modulation signal调制信号

pulse-width modulation脉冲宽度调制

intensity modulation[电子学]强度调制

modulation frequency调制频率

pulse code modulation脉冲编码调制；脉码调制

modulation index[电]调制指数

modulation depth调制深度；调制度

delta modulation增量调制

power modulation功率灯；功率调制

quadrature amplitude modulation正交调幅

双语例句

用作名词(n.)

The nodal modulation is a very significant feature of the tides.
交点调节是一个非常重要的潮汐特征。

Thus, thrust modulation performance of SRM can be improved through optimizing vortex valve geometry parameters.
因此，可以通过对涡流阀结构的优化设计来提高发动机的推力调节性能。

Further, the role of modulation enters as another means of enhancing larger structural relations.
甚者，转调成为增强更大的结构关系的另一个工具。

权威例句

modulation (n.)

late 14c., "act of singing or making music," from Old French modulation "act of making music" (14c.), or directly from Latin modulationem (nominative modulatio) "rhythmical measure, singing and playing, melody," noun of action from past participle stem of modulari "regulate, measure off properly, measure rhythmically; play, play upon," from modulus (see module). Meaning "act of regulating according to measure or proportion" is from 1530s. Musical sense of "action of process of changing key" is first recorded 1690s.

1. Frequency modulation does not allow static to creep in.

频率调制不允许静电干扰混入。

-- 来源 -- 英汉 - 辞典例句

2. Mode locking can be induced not only by loss modulation, but also by phase modulation.

锁模不仅可用损耗调制取得，也可用位相调制来得到。

-- 来源 -- 英汉 - 辞典例句

3. This system of modifying the carrier waves is called "Amplitude Modulation," or "AM".

这个改变载波的系统称为“振幅调制”或缩写为“AM”。

-- 来源 -- 英汉 - 辞典例句

4. The process of retrieving intelligence ( data ) from a modulated carrier wave ; the reverse of modulation.

从调制过的载波信号中检出信息(数据)的过程,是调制的逆过程。

-- 来源 -- 英汉 - 辞典例句

5. Our fifth concern is with modulation noise.

我们要讨论的第五个问题是调制噪声。

-- 来源 -- 英汉 - 辞典例句

6. The nodal modulation is a very significant feature of the tides.

交点调节是一个非常重要的潮汐特征。

-- 来源 -- 英汉 - 辞典例句

7. In pulse code modulation, a spurious signal formed from beats between the signal frequency and the sample frequency.

在脉冲编码调制中,信号频率和取样频率之间的差拍所引起的伪信号。

-- 来源 -- 英汉 - 辞典例句

8. The soft modulation of her voice soothed the infant.

她声调柔和的抑扬使婴儿安静下来。

-- 来源 -- 英汉 - 辞典例句

9. Transmission of measured magnitudes by radio or telephony, with suitably coded modulation ?(e.g.,?amplitude, frequency, phase, pulse)over a distance.

通过无线电或电话，用适当的编码调制(如振幅、频率、相位、脉冲)把被测量的值发送到远方。

-- 来源 -- 英汉 - 辞典例句

10. Position control of d. c. motors has been done by means of pulse width modulation.

直流电机位置用脉冲宽度调制法控制。

-- 来源 -- 英汉 - 辞典例句