The system adopts MSP430F149 MCU and asymmetry regular-sampling strategy to output high precision SPWM wave, consequently transducer's SPWM control is realized.
本论文所论述的系统采用MSP430F149单片机通过不对称规则采样法来输出高精度的三相spwm波形，从而实现了逆变器的SPWM控制。
Experiments show that the designed DC DC convertor's output voltage precision is high, the antijamming ability is strong and the adjustable performance is fast and smooth.
实验结果表明，用这种方法所研制的电动汽车DC DC变换器输出电压精度高，抗干扰能力强，调节特性快速、平稳。
The amplitude of its output current possesses high precision and good temperature stability.
线路输出电流幅值精度高，温度稳定性好。
High precision of output waveform, good linearity distortion.
输出波形精度高，失真小线性好。
The adjustable current source using AD8205 and current PWM controller UC3842 features such advantages as simplified reliable circuits and high precision output current.
AD 8205型高端电流传感器可以简化检测电路，采用AD 8205和UC 3842电流型PWM控制电路实现PWM可调电流源，电路结构简单可靠，输出电流精度高。
They also show that the SPWM waves generated by equiarea algorithm have advantages of high precision, small harmonic value of output waves and good symmetry.
采用等效面积法产生的SPWM波形具有精度高、输出波形谐波小，对称性好等优点。
The serial digital temperature sensor MC74 is the high precision IC. It has many characteristics, such as low cost, high precision, serial linear output etc.
MC74型串行数字温度传感器具有价格低、精度高、串行线性输出等优点。
High precision capacitance displacement sensor is used to measure the actual output of moving platform and formed a system of feedback control.
高精度的电容式位移传感器用来测量动平台的实际输出并形成反馈控制系统。
The design difficulties of the phased signals of spherical focused HIFU mainly include its high precision and excessive output channels.
球面聚焦超声相控信号设计中的难点主要体现在相差精度高，输出信号多等指标要求。
Good output waveform of inverter voltage mainly includes three aspects: high steady-state precision, good dynamic performance and good load adaptability.
好的逆变电源电压输出波形主要包括三个方面：稳态精度高、动态性能好及负载适应性强。
These excellent single crystals, possessing a large displacement output under low magnetic field, build a foundation for the fabrication of the high precision micro-displacement actuators.
单晶材料消除了晶界对畴壁移动的影响，具有很好的低场下的位移输出能力，这为微位移致动器的研制奠定了很好的基础。
Compared with the traditional craftsmanship, it could promote work efficiency scores of times, with high output and precision, low cost, beauty and elegance.
与传统工艺相比工作效率可提高数十倍，高产量、高精度、低成本，美观大方。
By digital adjustment with high precision on the DC bias of reference sine wave, the DC bias contained in inverter output voltage can be adjusted to restrain DC circulating current.
通过对逆变器基准正弦波直流分量的高精度数字调节，相应调节逆变器输出电压直流分量以抑制直流环流。
The dc voltage after LM7805 on voltage stability and C3 filtering was manostat an output terminal of the produced high precision, stability good dc output voltage.
此直流电压经过LM 7805的稳压和C3的滤波便在稳压电源的输出端产生了精度高、稳定度好的直流输出电压。
DSP's output circuit, keyboard and display circuit, high precision measure circuit and credibility protect circuit are analyzed, and the software design is given.
对DSP的输出电路、独具特色的键盘显示电路、高精度的检测电路和可靠的保护电路进行了分析，并给出了软件设计。
The instrument is characterized by automatic data storing and output, high precision, high speed, easy operation as well as low cost.
数据自动存贮、输出，测量精度高，速度快； 使用简便，成本低廉。
The input-output characteristic curve is modeled to realize high precision non-linearity self-rectification function by software method.
对传感器的输入输出特性曲线进行了建模，以软件手段实现高精度的非线性自校正功能。
The high precision separation device can use those mill beads which has small diameter and get high output.
高精度的分离装置，可选配较小粒径的研磨珠，获得较高产能。
The longitudinal joint has simple structure, great output moment, small size and high precision and is one ideal universal modular and standard robot joint.
本纵关节具有结构简单，输出力矩较大，尺寸小，精度高的优点，是一种理想的机器人通用的，模块化的、标准的关节。
The experiment results show that the inverter Can achieve good sinusoidal output waveform, fast dynamic response, excellent load characteristic and high precision of output voltage.
试验结果显示逆变器有很好的正弦波输出波形，快速的动态响应，优良的负载特性和高精度的输出电压。
This essay combines to the characteristics of oil output, forecasts the crude oil output with time series modeling approach and regression analysis method and has a high precision.
本文结合石油行业产量的特点，运用SAS系统中时间序列建模方法及回归分析方法对原油月产量作了预测分析，预测结果精度较高。
An ect (Electronic Current Transducer) calibration system is designed based on virtual instrument technology to test the analog output of high-precision ect.
根据测量用电子式电流互感器(ect)的校验要求，研制了一种基于虚拟仪器的ECT模拟输出校验系统。
Experimental results show that the output voltage of the designed converter has high precision, small ripple and up to 88% efficiency, suitable for low-voltage high-current load devices.
实验结果表明，设计的开关变换器输出电压精度高，纹波小，效率最高达到88 %，适用于低压大电流的负载设备。
The output of electrical stimulation parameters can achieve the tenderizing requirements with its high precision, which provides the technical support for the beef tenderizing processing.
试验结果表明：电刺激仪各项刺激参数输出精确度高，能有效降低牛肉的剪切力值，为牛肉嫩化加工提供了技术支持。
The high precision and large current controller are used widely. But in the situation where there is high common-mode voltage, the detection circuit of the output current is very complex.
高精度大电流控制器有着广泛的应用，但在高共模电压情况下输出电流的检测电路比较复杂。
Magnet power supply with embedded DPSCM can achieve all-digital control, and achieve high precision DC stabilized power supply output accuracy control needs.
对于嵌入DPSCM的磁铁电源可以实现全数字化控制，并达到高精度直流稳流电源输出精度的控制需求。
The high-speed and high-precision rotation of the spindle can be realized without transmitting power through the conveyer belt to improve the output, save the electric energy and reduce the noise;
不需要传输带传输动力即可实现锭子高速、高精度自身旋转提高产量，节约电能，降低噪音。
The high-speed and high-precision rotation of the spindle can be realized without transmitting power through the conveyer belt to improve the output, save the electric energy and reduce the noise;
不需要传输带传输动力即可实现锭子高速、高精度自身旋转提高产量，节约电能，降低噪音。
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