正交调制 quadrature component modulation
正交调制器 quadrature modulator
多进制双正交调制 MBOK
频移交错正交调制 FSOQ
正交调制载波 quadrature-modulated carrier
正交幅度调制 Quadrature amplitude modulation ; QAM ; MQAM ; Quadrature AM
正交调制串音 quadrature cross talk
平衡正交调制 balanced quadrature modulation
正交调制彩色信号 quadrature modulated chrominance signal
相位正交调制 phase quadrature modulation
进一步增加调制周期，两调制层之间产生非共格界面，破坏了薄膜中的交变应力场，薄膜的硬度和弹性模量也随之降低。
Further increasing modulation period leads to the emerge of incoherent interface and the destroy of alternating stress field, accompanied by the decreased mechanical properties.
用交变电压调制固定在光纤光栅上的PZT，同时对施加在光栅上的应力进行测量。
The PZT is modulated by periodicity voltage and the fiber grating fixing on the it is also modulated by PZT.
导出了矩阵变换器的交-交直接变换控制规律和双空间矢量PWM调制策略，建立了交-交直接变换控制方式下矩阵变换器的数学模型。
The AC-AC direct transformation control and the double-space-vector PWM scheme of the matrix converter are deduced, mathematic model of space vector modulation (SVM) matrix converter is built.
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