1) digital orthogonal baseband signal
正交基带信号
1.
In this paper,one method combining software and hardware to extract digital orthogonal baseband signal is present-ed,in which hardware design is appli ed to reduce the complexity of softwa re implementatio.
数字正交基带信号提取技术是数字中频接收机的一项关键技术。
3) orthogonal signals
正交信号
1.
Firstly a signal period is divided into eight equal segments based on polarity and amplitude of orthogonal signals.
根据正交信号的极性和幅值大小,将一个信号周期分成相等的8段。
2.
In this paper,the bit error performance of the M-ary orthogonal signals in conjunction with transmit selection combined with receive maximum ratio combining over Nakagami fading channels.
该文研究了Nakagami信道上采用组合发送选择合并/接收最大比合并天线分集的M进制正交信号的误码性能。
3.
By transmitting orthogonal signals,virtual subarrays are designed through filters,and the Subarrays Selection(SAS) algorithm is proposed.
采用发射阵列分布式布阵,接收阵列密布阵的收发分置系统,通过发射正交信号,在接收端经匹配滤波信号分选后构造虚拟子阵,提出了一种子阵优选算法,抑制目标闪烁,实现多目标超分辨。
4) orthogonal signal
正交信号
1.
Design of DDS orthogonal signal source based on CPLD
基于CPLD的DDS正交信号源的设计
2.
Two channels of orthogonal signal generated by FPGA and 12 bit D/A,one is taken as the reference signal for multiplier I and also stir the system to detect the real part of the system response.
介绍了一种基于现场可编程门阵列(FPGA)及12位D/A产生的两路正交信号源,一路经跟随器输出激励待测系统,并作为模拟乘法器I的参考信号,检测系统响应的实分量;另一路正交信号作为模拟乘法器II的参考信号,检测系统响应的虚分量。
5) quadrature signals
正交信号
1.
To obtain quadrature signals with the rigid amplitude and phase balances, an optimum digital Hilbert transforming method using the minimax criterion is provided.
本文提出了一种采用最大误差最小化准则来优化数字希尔伯特(H ilbert)变换滤波器的方法,用以获取幅度和相位严格平衡的正交信号,并在此基础上给出了基于现场可编程门阵列(FPGA)的分布式DA算法的硬件实现结构。
2.
There exists the imbalance of amplitude and phase between the pair of quadrature signals, which leads to the crosstalk between the forward and reverse blood flow information.
由于正交信号对之间通常存在幅度和相位的不平衡，从而导致了正、反血流信息的混淆，影响了平均频率、最大频率的估计和声谱图的正确显示。
6) Programmable Wide-band Orthogonal Signal
程控宽带正交信号
补充资料：信号幅度标准带
分子式：
CAS号：
性质：用于校准信号幅度的标准磁带。目前，国际上的信号幅度标准带多由美国国家标准局(NBS)提供。
CAS号：
性质：用于校准信号幅度的标准磁带。目前，国际上的信号幅度标准带多由美国国家标准局(NBS)提供。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条