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
- This procedure describes in detail the MSK modulation in mobile communication applications and effectiveness.
本程序详细描述了MSK调制方式在移动通信中的应用和效果。 - 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。 - This paper proposed a modulation recognition algorithm for M-QAM signals.
提出了一种M-QAM信号的识别算法。 - Frequency conversion function is realized in RF module, and the RF modulation of the signal is completed.
射频模块实现了上变频功能,完成了信号的射频调制。 - 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。 - The feasibility of DC modulation technology application in the Northwest China grid was studied in this paper.
对直流调制技术在西北电网应用的可行性进行了研究。 - 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。 - Measurement results validate the multi-mode modulation function and high pulse resolution.
测试结果验证了该调制器的多模功能和高精度的脉冲宽度。 - 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。