analogue signal

In this way, the design of unit phase generated carrier ( PGC) homodyne demodulation circuits is completed, including analogue operations such as signal mixer, lowpass filter, highpass filter, differentiator, integrator, multiplier, subtracter, and so on.

在这一思想的指导下完成了相位载波（PGC）零差解调电路各个单元的硬件设计，包括信号的混频，低通滤波，高通滤波，微分，积分，相乘，相减等模拟运算。

Traditional broadcast which transmit by analogue signal have many shortcomings such as signal attenuation, noise, the inflexibility of wiring etc.

但传统广播存在信号衰减、噪音、布线缺乏灵活性，对重复信息、文本信息需人工介入，智能程度差等问题。

The flow calculator transfers the flow rate, pressure, temperature analogue signal to digital, then calculates the real time flow in standard condition and cumulates the flow. The real time flow, cumulate flow, history flow, pressure and temperature are displayed on the LCD.

流量积算仪采集4～20mA的流速、压力和温度信号，计算出实时的标准状况流量，然后对流量进行累积计算，通过液晶显示屏显示实时流量、累积流量、温度、压力以及历史流量。

Surface Acoustic Wave Filter ( SAWF) is a sort of analogue device for signal processing.

声表面波器件是一种新型的模拟信号处理器件。

The simple and common mode of obtaining line speed is chosen to calculate the diameter of the roll in the rolling-up process, the running frequency of analogue output signal of the driving converter controlling the speed of the system is used as the line speed signal namely.

收卷过程中卷径计算选用最简单、最常用的线速度获取方式，即用控制系统速度的驱动级的变频器（艾默生TD3000）运行频率模拟输出信号作为线速度信号。

This capacitance change is detected by an integrated electronic module and converted into a pressure-proportional analogue signal.

由集成电子模件检测电容变化并将其转变为压力比例模拟信号。

The output of the decoder should be converted back to an analogue signal by similar means.

解码器的输出应当以同样方法转回到模拟信号.