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- There are three basic ways in which a radio carrier signal can be modulated. 无线电载波讯号被调变有三种基本的方式。
- A receiver demodulates the carrier signal that arrives from its antenna. 接收器解调变到达它的天线的载波讯号。
- Radio communication superimposes this information bearing signal onto a carrier signal. 无线电通信像素这一信息轴承信号上的载波信号。
- When receiving, the modem performs the reverse process, and demodulates the data from the carrier signal. 接收时，调制解调器完成相反的过程，将数据从载波信号上解调出来。
- Carrier Signal: A frequency in a communications channel modulated to carry analog or digital signal information. 载波信号。在通信电路中被调制成可以传送模拟或者数字信息的一个频率。
- In digital communication, a transmitted carrier signal that consists of the 12 single sidebands being sent over the transmission circuit. 在数据通信中,一种传输载波信号,由传输电路上发送的12个单边频带组成。
- The characteristics (amplitude, frequency, or phase) of the carrier signal are varied in accordance with the information bearing signal. 特征(振幅,频率或相位)的载波信号是多种多样按照信息轴承信号。
- This signal is used to indicate whether a modem is connected to a working phone line and a data carrier signal is detected. 此信号用于指示是否调制解调器已连接到正常工作的电话线并检测到数据载波信号。
- Whatever it is radar, ECCM equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal. 无论是雷达、电子对抗，还是通信、仪器设备等都需要高稳定度的频率源，以保证载波信号的质量。
- In digital communication, a transmitted carrier signal that consists of the12 single sidebands being sent over the transmission circuit. 在数据通信中，一种传输载波信号，由传输电路上发送的12个单边频带组成。
- Then the estimated carrier signal is multiplied with the successive received signal, respectively, to demodulate the successive transmitted symbols. 然后将估计的载波信号和后续接收信号相乘，解调后续发送符号。
- In digital communication,a transmitted carrier signal that consists of the 12 single sidebands being sent over the transmission circuit. 在数据通信中,一种传输载波信号,由传输电路上发送的12个单边频带组成。
- Data messages are impressed on the underlying carrier signal by modulating its amplitude, frequency or phase in some way and then are extracted upon reception. 藉由调制载波的振幅、频率或相位，资料讯息可压印在基底的载波讯号上，然后在接收端还原成原始讯息。
- In WLANs, a third type of modulation called phase modulation is used to superimpose the data signal onto the carrier signal that is broadcast by the transmitter. 在WLAN中，第三种调变称为相位调变，使用来附加资料讯号到传送器广播出的载波讯号。
- The carrier signal injection method and the heterodyning algorithm for the extraction of high frequency current containing rotor space-position information are all discussed. 讨论了载波信号的注入、提取以及包含转子位置信息的高频负序电流的外差处理技术。
- The experimental encryption data is the lowfrequency air zone video signal, the carrier signal is the H.263compression main engine video frequency data. 实验的加密数据是低频空域视频信号，载体信号是H.;263压缩主机视频数据。
- Carrier signal: A standard, predictable signal, such as a sine wave, used to transmit data. The unaltered signal indicates an absence Of data; alterations in the standard pattern convey meaning. 载波信号:一个标准的可预知的用来传输数据的信号,如正弦波。不变化的信号表示无数据,以标准波形变化的信号表示有数据。
- These high frequency carrier signals can be transmitted over the air easily and are capable of traveling long distances. 这些高频载波信号的传输距离可以超过空气容易,并有能力行长途跋涉。
- Due to steady phase error,low-order PLL has a trouble in tracking frequency ramp signals,so that the receiver cannot lock carrier signals. 低阶锁相环跟踪频率斜升信号时产生的稳态相差致使环路失锁,接收机无法锁定载波信号。
- A receiver demodulates the carrier signal that arrives from its antenna. The receiver interprets the phase changes of the carrier signal and reconstructs from it the original electrical data signal. 接收器解调变到达它的天线的载波讯号。接收器解释载波讯号的相位变化和从它原来的电资料讯号重建。
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