P( pressure)压力 FAM( pulse amplitude modulation)脉冲幅度调制 PC( pulse code)脉冲码 PCM( pulse code modulation)脉冲编码调制 PDM( pulse duration modulation)脉冲宽度调制 PF( power factor)功率因数 PFM( pulse frequency modulation)脉冲频率调制 PG(pulse generator)脉冲发生器 PGM( programmable)编程信号 P( proportional- integral( controller)比例积分(控制器 PID(proportional-integral-differential(controller)比例积分微分(控制器) PIN( positive intrinsIc- negative)光电二极管 Po( parallel input output)并行输入输出 PLD( phase- locked detector)同相检波 PLD( phase-locked discriminator)锁相解调器 PLL( phase- locked loop)锁相环路 PMOS(P-channel metal oxide semiconductor FET)P iAJIE MOSFET PP(peak-to-peak)峰-峰 PPM(pulse phase modulation)脉冲相位洲制 PRD(piezoelectric radiation detector)热电辐射控测器 PROM( programmable read only memory)可编只读程存储器 PRT( platinum resistance thermometer)铂电阻温度计 PRT( pulse recurrent time)脉冲周期时间 PUT( programmable unijunction transistor)可编程单结晶体管 PWM(pulse width modulation)脉宽调制 R( resistance, resistor)电阻,电阻器 RAM(random access memory)随机存储器 RCT( (reverse conducting thyristor)逆导晶闸管 REF( (reference)参考,基准 REV( reverse)反转 R/F( radio frequency)射频 RGB(red/gren/blue)红绿蓝 ROM(read only memory)只读存储器 RP( resistance potentiometer)电位器 RST( reset)复位信号 RT( resistor with inherent variability dependent)热敏电阻 RTD(resistance temperature detector)电阻温度传感器 RTL( resistor transistor logic)电阻晶体管逻辑(电路) RV(resistor with inherent variability dependent on the voltage)压敏电阻器 SA(switching assembly)开关组件 SBS( silicon bi-directional switch)硅双向开关,双向硅开关 SCR( silicon controlled rectifier)可控硅整流器 SCS( safety control switch)安全控制开关 SCS( silicon controlled switch)可控硅开关3 P(pressure) 压力 FAM(pulse amplitude modulation) 脉冲幅度调制 PC(pulse code) 脉冲码 PCM(pulse code modulation) 脉冲编码调制 PDM(pulse duration modulation) 脉冲宽度调制 PF(power factor) 功率因数 PFM(pulse frequency modulation) 脉冲频率调制 PG(pulse generator) 脉冲发生器 PGM(programmable) 编程信号 PI(proportional-integral(controller)) 比例积分(控制器) PID(proportional-integral-differential(controller))比例积分微分(控制器) PIN(positive intrinsic-negative) 光电二极管 PIO(parallel input output) 并行输入输出 PLD(phase-locked detector) 同相检波 PLD(phase-locked discriminator) 锁相解调器 PLL(phase-locked loop) 锁相环路 PMOS(P-channel metal oxide semiconductor FET) P 沟道 MOSFET P-P(peak-to-peak) 峰--峰 PPM(pulse phase modulation) 脉冲相位洲制 PRD(piezoelectric radiation detector) 热电辐射控测器 PROM(programmable read only memory) 可编只读程存储器 PRT(platinum resistance thermometer) 铂电阻温度计 PRT(pulse recurrent time) 脉冲周期时间 PUT(programmable unijunction transistor) 可编程单结晶体管 PWM(pulse width modulation) 脉宽调制 R(resistance，resistor) 电阻，电阻器 RAM(random access memory) 随机存储器 RCT(reverse conducting thyristor) 逆导晶闸管 REF(reference) 参考，基准 REV(reverse) 反转 R/F(radio frequency) 射频 RGB(red／green／blue) 红绿蓝 ROM(read only memory) 只读存储器 RP(resistance potentiometer) 电位器 RST(reset) 复位信号 RT(resistor with inherent variability dependent) 热敏电阻 RTD(resistance temperature detector) 电阻温度传感器 RTL(resistor transistor logic) 电阻晶体管逻辑(电路) RV(resistor with inherent variability dependent on the voltage) 压敏电阻器 SA(switching assembly) 开关组件 SBS(silicon bi-directional switch) 硅双向开关，双向硅开关 SCR(silicon controlled rectifier) 可控硅整流器 SCS(safety control switch) 安全控制开关 SCS(silicon controlled switch) 可控硅开关