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
- 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。 - A new frequency estimation technique for BPSK modulation signals embedded in strong noise is proposed.
在强噪声背景下,针对BPSK调制信号,提出了一种新的频率估计技术。 - 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。 - 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。 - In digital phase modulation system, there always exists carrier phase-ambiguity in the process of coherent demodulation.
在数字相位调制系统的相干解调过程中,普遍存在着载波相位模糊问题。 - The reasons for this spurious modulation, mathematical model and compensation method are studied.
研究了这种寄生调制产生的原因、数学模型以及补偿的技术。 - This paper presents a method to perform the continous modulation of AC power by using a micro-processor and SSR.
提出了一种基于微处理器和利用固态继电器实现交流功率连续调整的方法。 - At last it discusses the dual-mode transmission technology of the Ultra Narrow Band Modulation and the FM combination.
最后着重讨论了超窄带调制与FM结合的双模式传输技术。 - Research on Multi-carrier Modulation and MC-CDMA Interference Cancellation
多载波调制和MC-CDMA的干扰消除研究 - 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;
