1、

By the experiments results, it can be shown that the main parameters of engine running can be timely and accurately reflected in this system, and the injection timing, injection pulse width and ignition timing can be exactly controlled as required.

试验表明,该系统能够准确及时反映发动机运行过程中的各项参数,并可按实验要求准确控制发动机的喷油时刻、喷油脉宽和点火时刻。

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2、

The strong electromagnetic interference generated in high power TEA CO2 laser system mainly comes from the main discharge circuit, pulse spark switch and power supply.

大功率TEA CO2激光器系统产生的强电磁干扰主要来源于激光器主放电回路、脉冲火花开关和电源。

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4、

The main circuit used SEPIC topology and pulse constant current drive mode. It has PWM dimming function and is suitable for driving high power LED lamp string.

该电路主电路采用sepic拓扑,脉冲恒流的驱动方式,具有脉冲频率调制(PFM)和脉冲宽度调制(PWM)调光等功能,适合驱动大功率LED灯串。

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5、

The flyback mode switch power supply is chosen as the main circuit of the high voltage power in the paper with 555 pulse control circuit and flyback drive circuit.

选择了反激式开关电源作为高压电源的主电路,并以555脉冲控制电路和反激式驱动电路作为辅助电路。

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6、

The main outcome of the NO in the field of pulse corona is NO2.

NO在脉冲电晕场中反应的主要产物为NO2;

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7、

Common methods classify animals by their difference in sound pulse rate, wave form structure in time domain and main peak frequency in frequency domain et cetera.

传统的鸣声分类时一般依据不同种动物鸣声信号在时域波形上的波形结构和脉冲率等的不同,功率谱上相对幅度最大所对应的频率即主频的不同来进行分类。

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8、

Its song consists of amplitude modulating pulse trains, the repetition frequency being about 180 Hz. The measurable bandwidth is 200-12500 Hz with the main peak at 5 kHz.

其鸣声由重复频率约180Hz的调幅脉冲列组成,可见带宽200&12500Hz,主峰频率5kHz。

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9、

the line of low-rank coal upgrading technology was designed, and the parameter of test line main and assistant pulse airflow drier and other main equipments was put forward.

开发低阶煤提质工艺试验线,并对试验线主副管脉冲气流干燥器和其它主要设备进行参数计算。

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10、

The main mission of this subject is to research and accomplish a digital signal process algorithm of Carrier-Free Pulse Ground Penetrating Radar ( GPR).

本课题的任务是无载频脉冲探地雷达信号处理算法的研究与实现。

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11、

the principle and main circuit design ideas are given for the mobile pulse output module tester.

介绍了便携式脉冲输出模块测试仪的原理和主要电路设计思想。

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12、

obvious disciplinarian was found of tongue, pulse and main symptoms through cluster analysis.

通过聚类分析,发现舌、脉、主症聚类有明显规律。

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13、

now main laser rang finding methodology include pulse laser rang finding technology, phase laser rang finding technology and some others.

目前常用的激光测距技术主要包括脉冲激光测距技术、相位激光测距技术以及其他一些激光测距技术等。

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14、

The design and development of the conversion circuit to an intelligent vortex flowmeter were introduced. The converter used MSP430 microcontroller as the main component, which collected, processed the pulse signal from the pre-amplified circuit and sent out 4~ 40 mA standard signal.

介绍了以MSP430型单片机为核心的智能涡街流量计转换电路的设计与开发,涡街传感器前置放大板送出的脉冲信号进行采集处理并送D/A转换模块进行标准4~40mA输出。

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15、

"Multichannel pulse height analyzers Main characteristics, technical requirements and test methods"

GB/T4833-1997多道脉冲幅度分析器主要性能、技术要求和测试方法

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16、

Simulation results show that compare to the rise cosine pulse, with the narrow main valve and the faster high frequency rolling and the better resisting of spectral spreading, the new type IJF code has better performance.

仿真结果表明:与传统的升余弦脉冲比较,新设计的IJF码型性能更加优越,表现为主瓣窄,高频滚降快,有效地抑制了频谱扩展。

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17、

The interpolation precision of pulse multiplier-based fine interpolator is related with the max feed rate, pulse equivalent of CNC, interpolation cycle, and output pulse frequency of pulse generator and the main reason of its error production comes from the rounding processing of crossover frequency number.

基于脉冲乘法器原理的精插补器的插补精度与最大进给速度、机床系统的脉冲当量、插补周期以及脉冲发生器的输出脉冲频率有关,其误差产生的主要原因是由分频数圆整造成的。

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18、

The paper focuses on component part of digital pulse MIG welding inverter power. Main circuit, control circuit, pulse width modulation ( PWM) circuit, drive circuit and wire feeding circuit are respectively analyzed.

论文还重点介绍了数字化脉冲MIG焊软开关逆变弧焊电源的组成结构,并分别就软开关逆变焊机的主电路、控制电路、保护电路、驱动电路以及送丝电路做了详细的分析。

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20、

Synthesized signals with different pulse repetition frequencies ( PRF) and main vibration frequencies ( MVF) were presented to the brown planthopper.

利用DAASIAS对褐飞虱雌、雄虫分别回放不同脉冲重复频率PRF和主振频率MVF组合的人工模拟信号,根据对信号敏感的试虫比例,筛选出褐飞虱雌。

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