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词汇
quadrature modulation
释义
quadrature modulation
正交调变
对两个相差的90°的载波分别进行振幅调变,再将输出合在一起传送的一种调变方式。它比相位调变或相位振幅混合调变的效率高。
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stickleback
stickler
stickman
stick one's nose into
stick one's oar in
stickpin
stick shift
sticktight
stick to
stick-to-it-iveness
stick to one's colours
stick to one's guns
stick to one's last
stick up
stickup
stick up for
sticky
sticky-fingered
sticky tape
stiff
stiff-arm
stiff-backed
stiffen
stiffener
stiffening
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更新时间:2026/1/14 0:36:55