modulation
英 [ˌmɒdjʊˈleɪʃən]
美 [ˌmɑdʒəˈleɪʃən]
n. 调制;调谐;变调;缓和
复数:modulations
BNC.16953 / COCA.19940
柯林斯词典
- VERB 改变,调节(嗓音或声音)
If youmodulateyour voice or a sound, you change or vary its loudness, pitch, or tone in order to create a particular effect.- He carefully modulated his voice.
他小心地压低了声音。
- He carefully modulated his voice.
- VERB 调节;调整
Tomodulatean activity or process means to alter it so that it is more suitable for a particular situation.- These chemicals modulate the effect of potassium.
这些化学物质可以调节钾的功效。
- These chemicals modulate the effect of potassium.
英英释义
noun
- the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)
- (electronics) the transmission of a signal by using it to vary a carrier wave
- a manner of speaking in which the loudness or pitch or tone of the voice is modified
- rise and fall of the voice pitch
- a musical passage moving from one key to another
双语例句
- We theoretically analyze and experimentally demonstrate a method of generating equal-amplitude optical comb exploiting multi-frequency phase modulation.
我们理论分析并实验验证了一种利用多频相位调制产生等振幅光梳的方法。 - The low jitter transmission of pulse signals is realized by direct RF-modulation based on PLL frequency modulation.
介绍了锁相调频的基本原理,用锁相调频的射频直接调制方法实现了脉冲信号的低抖动传输。 - This thesis firstly introduce the function, performance index and operation principle of the wireless interphone of frequency modulation.
首先介绍了调频无线对讲机的功能、性能指标和工作原理。 - The method which is used in the first frequency modulation can be mended by PMU.
利用其PMU能测量和记录发电机组当地频率改进一次调频控制与考核; - The performance for the frequency modulation of electrical feedback optical transmitters is presented.
本文研究了电反馈光发射机的频率调制特性。 - The modulation recognition technique of QAM signal by the constellation diagram is given in this paper.
给出了利用信号星座图的QAM信号调制方式识别技术。 - Differing from frequency error track, it avoid spurious modulation and complexity caused by phase-locked loops.
与频率误差跟踪不同,它避免了锁相环引入的寄生调制和复杂性。 - Loop frequency locking technique in phase modulation spectroscope technique R-FOG system has been researched.
对基于调相谱检测技术R-FOG系统中的环路频率锁定技术进行了研究。 - In this paper, a new modulation scheme which combines the grid coding with the CCK modulation is proposed.
文中一个新的调制方案是把网格编码和CCK调制结合起来提出来的。 - Finally, the smoothing of BPSK modulation, and optimization of its performance are performed.
最后提出了平滑化BPSK调制,优化了性能。