This paper shows that one subgroup of the multiplicative group of units in the complex integer ring Z[(-1)~(1/2)], modulo ideal 〈pn(1+i)〉, can be used to obtain a QAM signal space of 4p2n-2 points with good geometrical properties, where p is an odd prime.
一些复整数构成的有限乘法群可被用来获得正交调幅信号空间以及设计纠错码。
With some well drilling engineering in Changqin Oilfield as the background,this paper introduces a pattern identification method for signal demodulation with mud pulse testing slope sensor.
以长庆油田某钻井工程为背景,介绍了泥浆随钻测斜仪信号解调的模式识别方法。
The general principle and the technical difficulties of the fiber grating sensor system signal demodulation are summarized,and the commonly-used demodulation methods are classified.
信号解调是光纤光栅传感系统实用化所面临的最大难题,其核心问题在于设计高分辨率、低成本的波长检测方案。
According to characteristics of output signal model of FOG which uses 3×3 coupler,new signal demodulation algorithm is adopted.
根据使用3×3耦合器的开环光纤陀螺输出信号模型的特点,采用一种新的信号解调算法,可以准确解调任意动态范围的输入,克服在工作点附近灵敏度低的缺点,改善被测信号的精度。
governor air signal pressure
调速器空气信号压力
differential low oil pressure warning signal
差速器低油压警告信号
exhauster high speed pressure regulator
真空泵高转速调压器
pneumatic and hydraulic pressure regulator
气动及水压压力调节器
charge air temperature regulator
增压空气温度调节器
A power system stabilizer utilizing signals from shaft speed, frequency, power, or other sources may be used to supplement the voltage regulating function.
利用轴转速、频率、功率或其它来源发出信号的电力系统稳定器可实行调压功能。
Vacuum Pumping System for Cabin Pressure Regulator Dynamic State Test Stand
座舱压力调节器动态试验台真空抽气系统
Research of air pressure distribution on the part of the transition curve sur face from the cab to the top of China Star high-speed train
“中华之星”号高速列车司机室过渡曲面局部空气压力分布研究
The performance of cleaning pipe can be controled through the detected high frequency barometric pulse signal with pressure sensors.
通过压力传感器所检测高频气压脉冲信号可以实现对清洗的控制。
Fault Description(reason): High voltage detected at intake manifold pressure sensor signal pin.
故障描述（原因）：检测到进气歧管压力传感器信号电压值高。
hydraulic efficiency governor
液压调速器液压调节器
In the system, monitoring distributed station monitor regularly the sensor signal of the pressure, displacement and speed signal under the living post.
在本系统中，监测分机定时监测压力传感器信号，及支架活柱下缩位移、速度信号。
Design for Compensation and Signal Conditioning Circuit of Strain-Type Pressure Sensors
应变式压力传感器的补偿及信号调理电路的设计
Based on ATmega128 mud pressure pulse simulator
基于ATmega128的泥浆压力脉冲信号仿真器
Oil Pump Flow Rate Selection of Variable Speed Fluid Coupling
调速型液力偶合器液压泵排量的选取
Signal Processing of the Piezoelectric Six-Axis Accelerometer;
压电式六轴加速度传感器信号处理的研究
Study of a Program-controlled Signal Generator Which Used in the Calibration System of Piezoelectric Accelerometer;
压电加速度传感器校准系统的程控信号源研究
The Detection and Analysis Technology of Pressure Signal Collected from Reciprocating Compressor Cylinder;
往复压缩机气缸内压力信号检测与分析技术