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PSK modulated signal PSK调制信号
When there is a modulated signal from transmitter, there are side bands. 只要在发射机中存在调制信号，就含有旁频带出现。
A functional unit that converts a modulated signal into the original signal. 把已调制过的信号恢复为原始信号的一种功能部件，或叫操作装置。
The DDS, Direct Digital Synthesizer, which is implemented by a unique FPGA IC, can provide the stable sine signal with digital AM, FM, ASK, PSK modulation. 仅用单片FPGA就实现了直接数字频率合成技术（DDS），产生稳幅正弦波，并在数字域实现了AM、FM、ASK、PSK等四类调制信号。
In automatic classification of digital modulation signal,computing envelope variance after difference has important meaning to distinguish PSK and FSK signal. 在数字信号的自动调制方式识别中,差分后求包络方差对于区分FSK、PSK信号具有十分重要的意义。
A functional unit that converts a signal into a modulated signal suitable for transmission. 将信号转变成适合于传输的被调制信号的一种操作装置。
Scheme of the transmission chain of the SCCC over 8- PSK modulation. 更详细的代码和调制方案可以在[5]中找到。
The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of uexp( tt/ Pw) Multiply by Carrier with Uniform Phase Noise. 单边递减波电压讯号乘上含有均匀相位杂讯载波之调变讯号时域波形及频谱。
In this paper, it is suggested that modulated signal be demodulated by digital PLL. 并结合实际应用提出了用数字锁相环进行调频信号解调的建议；
In the picture above you can see a modulated signal driving the IR LED of the transmitter on the left side. 上面图片中你可以看到一个调制信号驱动红外发光二极管的发射器的左边。
The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of Rect(tt/Pw) Added by Uniform Noise. 方波电压讯号加上均匀杂讯乘以无杂讯载波之调变讯号时域波形及频谱。
A novel blind channel estimation scheme is proposed for Orthogonal Frequency Division Multiplexing (OFDM) systems employing PSK modulation. 该文提出了一种适用于采用PSK调制方式的正交频分复用(OFDM)系统的准盲信道估计算法。
The off-boresight drive signal is a kind of modulated signal with the charaeteristics of low frequency,small amplitude and liable to be interferenced. 离轴驱动信号是一种频率低、幅值小、易受干扰的调制信号,在信号检测中通常是测试的难点。
A novel blind channel estimation scheme is proposed for orthogonal frequency division multiplexing systems employing PSK modulation. 2．提出了一种适用于采用PSK 调制方式的OFDM 系统的准盲信道估计算法。
Haming code is used for error control in system.And other performances such as PSK modulation, PSK demodulation are also implemented in the system. 另外，系统采用汉明码纠错编译码、PSK调制、PSK相干解调实现纠错编译码、调制、解调等功能。
The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of Tria(tt/Pw) Multiply by Carrier with Normal Phase Noise. 三角波电压讯号乘上含有准常态相位杂讯载波之调变讯号时域波形及频谱。
The spectrum of amplitude modulated signal are two half magnitude spectrums of base band signal positive and negative shifted by a carrier or R. 调幅讯号之频谱为一半强度基频讯号之频谱分别正负位移一射频或载波之频率。
Preferably, lowpass filter, automatic-gain-control and power amplifier are often used in order to have a clean modulated signal within certain dynamic range. 最好是，为在一定动态范围内具有干净的调制信号，通常使用低通滤波器，自动增益控制和功率放大器。
The spectrum of amplitude modulated signal are two half magnitude spectrums of base band signal positive and negative shifted by a carrier or R.F. frequency. 调幅讯号之频谱为一半强度基频讯号之频谱分别正负位移一射频或载波之频率。