modulation [,mɔdju'leiʃən]

modulation的基本解释

n.

调节, 调制, 调音, 抑扬

• The soft modulation of her voice soothed the infant.
• 她柔和的声调使婴儿安静了。

modulation所属的单词分类

Musical Theory / 乐理 [176]

ritard  ·  minor third  ·  melodic minor  ·  harmonic minor  ·  harmonic major  ·  whole tone scale  ·  whole rest  ·  tenuto  ·  subito  ·  sempre

与modulation相关的网络例句 [注：此内容来源于网络，仅供参考]

The results show that injection locking synchronization is realized when injection rate is large enough. In the injection locking regime, similarity index is larger for external modulation than that for direct modulation. If injection rate keeps unchanged, synchronization is little affected by modulation index, but it is affected by modulation frequency. Since outputs of the master laser are antiphase for direct modulation and external modulation, the fluctuations of similarity index with modulation frequency for the two lasers are contrary.

研究结果表明：当注入强度足够大时，系统实现注入锁定同步，外部调制的相似指数大于内部调制；注入强度恒定时，同步品质几乎不受调制指数的影响，而受调制频率的影响；由于内部、外部调制引起主激光器的输出反相，两种调制方式下同步品质随调制频率的变化趋势也相反。

In order to bring about the spatial depth resolution of the image data obtained, the method according to the invention comprises the following steps: an electromagnetic wave is beamed onto the surface of a photonic mixed element comprising at least one pixel, the pixel having at least two light-sensitive modulation light gates Gam and Gbm and associated accumulation gates Ga and Gb; modulation light gate voltages Uam and Ubm, which are configured as Uam=Uo Um and Ubm=Uo-Um, are applied to the modulation light gates Gam and Gbm; a direct voltage, whose magnitude is at least the same as that of the total of Uo and the amplitude of the modulation voltage Um, is applied to the accumulation gates Ga and Gb; the charge carriers produced in the space charge region of the modulation light gates Gam and Gbm by the incident electromagnetic wave are subjected, as a function of the polarity of the modulation light gate voltages Uam and Ubm, to the potential gradient of a drift field and drift to the corresponding accumulation gate Ga or Gb; and the charges qa and qb which have drifted to the accumulation gates Ga and Gb, respectively, are diverted.

为了使得采用这样一种方法获得的图象数据具有空间深度分辨率，按照本发明的方法包含下述步骤：使电磁波成束在至少包含一个象素的光混合元件的表面上，该象素至少具有两个光敏调制光门G am 和G bm 以及相关的累积门G a 和G b ；将调制光门电压U am 和U bm 施加到调制光门G a 和G b 上，而调制光门电压的构成是U am=U o U m，U bm=U o -U m；将直流电压施加到累积门G a 和G b 上，而直流电压的幅度至少与U o 和调制电压U am的幅度的总和相同；使由入射电磁波在调制光门G am 和G bm 的空间电荷区中产生的载流子经受漂移场的电位梯度，并漂移到相应的累积门G a 或G b ，而电磁波是调制光门电压U am和U bm的极性的函数；已经分别漂移到累积门G a 和G b 的电荷的方向反向。

A design and implementation method of the high speed modulation system, which adopted the new techniques of the FPGA and DAC based communication system,is presented in this paper. The effect of the key techniques of this system, such as the high speed digital signal processing for modulation, high speed based-band signal conversion, wide-band modulation, carrier suppression, high frequency and high precision system clock generation, is analyzed, and the solutions and performance analysis is also given. Finally, a high speed modulation system for space applications is implemented, can be used for high speed data transmission with QPSK, 8PSK, QAM or other kinds of digital modulation.

本论文依据正交调制原理，采用基于FPGA和DAC的设计技术，提出了一种高速、灵活的调制系统的设计方法，重点分析了系统组成的调制编码映射、基带脉冲信号转换、信号滤波、调制、系统时钟产生等关键技术环节的影响，解决了高速调制信号处理、高速数据转换、宽带调制、载波抑制、高频率高精度系统时钟的产生等关键技术问题，完成了一种适用于空间应用的高传输速率、多进制数字调制方式和调制体制灵活的数据传输调制系统的设计与实现，可在硬件设计不变的情况下，实现QPSK、8PSK和16QAM等多种调制方式的高速数据传输，QPSK调制速率达到500Mbps。

与modulation相关的网络解释 [注：此内容来源于网络，仅供参考]

modulation：调制

预定的离散值之间按照美国国家标准学会出版的文件 ANSI C63.17-1998 中指明的数码调制功能而转变的程序;"调制"(modulation) 具有国际电信联盟所批准的建议 ITU-R V.662 中"词语和定义"给予 "modulation" 一词并经不时修订的涵义;

modulation：解调

比如高斯白噪声信道等. 错误侦测与校验(EnorDetectionCorrection)模块库:提供用于分析输入输出的模块,比如计算误码率的模块. 调制解调(Modulation)模块:分为数字调制解调和模拟调制解调,再细分又可分为幅度调制、相位调制以及频率调制.

modulation：转调

重要事项需知面板及后面板面板(1) 效果选择旋钮可用这些旋钮来选择各效果组中的个别音色.(2) 效果组选择按键 [功放(DRIVE-AMP), 音箱(CABINET), 转调(MODULATION), 脚踏(PEDAL), 环境(AMBIENCE)]利用此按键来开/关或编辑各效果组.

modulation：调节

情绪调节(modulation)包含两方面的策略:一方面,人类必须首先学会经历情绪和懂得不同情绪的含义;另一方面,人类必须学会减少引起情绪发生的刺激,这些刺激导致再次情绪反应或产生二次情绪反应缺陷.

frequency modulation：调频

这个思路就是载波,不仅调幅可以载波,而且调整频率或者调整相位也可以载波. 所以,调频(Frequency Modulation)技术的出现是顺理成章的后续发展. 1933年,调频技术专利由美国人Edwin Armstrong获得[2].