The paper reported the determination of diclofenac sodium gel by signalmultiplier method. The influence of other components in the gel can be eliminated. Accurate results of tests were obtained.
Multiplier is the circuit which is conformed of nonlinear elements and can make two signal multiplied so that it can implement frequency transformation.
相乘器是由非线性元件组成，可以实现两个信号的相乘，完成频率变换的电路。
3
The digit signal processor embodies the center arithmetic logic unit, Multiplier unit, Shifter unit, Sequencing unit, Auxiliary register unit, interception unit.