meanwhile, the attestation certificate of standard family of iso9000 is the indispensable condition for the company to enter market.

1、

with increase of international business, iso 9000 quality certification has become a password to international market for the enterprise.

随着国际贸易交往的增多，ISO9000质量认证证书成为企业产品通向国际市场的通行证。

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2、

"pp" stamp and certificates of authorization, and iso9001 quality management system certificate.

“PP”钢印及授权证书，ISO9001质量体系认证证书。

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3、

in terms of the core algorithm, detailed processes are described, including the generation of the sub authentication and the composition of the final authentication certificate.

在核心算法部分有算法的详细步骤，包括子证书的生成和最后身份认证证书的合成。

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4、

products have successively obtained the national compulsive ccc authentication certificate and passed iso9001 quality management system certification.

产品先后取得国家强制性CCC认证证书、通过ISO9001质量管理体系认证。

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5、

when service flow reaches the certain threshold, the higher order modulation is adopted to compress the service bandwidth on condition that the quality of service is guaranteed.

在网络业务量到达特定阈值的时候，在保证服务质量（QoS）的前提下采用高阶调制方式进行频带压缩从而实现带宽调度。

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6、

the modulation recognition technique of qam signal by the constellation diagram is given in this paper.

给出了利用信号星座图的QAM信号调制方式识别技术。

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7、

the system uses boc modulation.

伽利略系统采用BOC调制方式。

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8、

psk is one of the most frequently adopted modulation methods in many communication systems.

PSK是许多通信系统常采用的调制方式之一。

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9、

in order to decrease commutation torque ripples, a utility compensation method is introduced, and the simulation shows that it can get good torque performance.

仿真结果表明采用pwm on调制方式同时进行PWM脉宽补偿可显著减小换向转矩脉动。

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10、

the automatic recognition scheme and parameters estimation have been verified with matlab simulation, which have made a foundation for further research of non-cooperative communication and software defined radio.

本论文通过MATLAB语言仿真验证上述调制方式的自动识别以及参数估计算法，为进一步研究非协作通信和软件无线电奠定了基础。

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11、

the results indicate that the best tcm codes with maximum free euclidian distance ( ed) are more than one for a given constraint length and modulation scheme.

搜索结果表明，对一定约束长度和调制方式，具有最大欧氏自由距的TCM好码有多个，文中给出了具有最简编码器结构的TCM好码。

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12、

there are dc off-sets in the compensated source current of the apf with one-cycle control under bipolar modulation.

采用双极调制方式单周控制APF补偿后的电源电流中存在直流分量。

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13、

some basic theories, such as methods of position detection, pwm control and starting policy of senseless bldcm are disserted in the first.

首先分析了无传感器无刷直流电机的位置检测方法、PWM调制方式和启动策略等控制原理。

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14、

in third chapter, msk modulation is summed up.

第三章对MSK这种调制方式进行了总结。

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15、

a switch high-voltage sine out inverter based on spwm is designed instead of the old transformer.

本文设计了基于SPWM调制方式的开关式高压正弦波逆变器来替代原有的高压装置。

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16、

in order to improve conversion efficiency, the power mosfet is built-in, the current control mode and the pwm modulation are used.

电路采用了功率管内置结构，控制模式和调制方式分别采用了电流控制模式和PWM调制方式，从而提高了转换效率。

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17、

the simulation results indicate that single-chop pwm method is more effective than the double-chop pwm method for the production of the electromagnetic torque.

仿真结果表明，相同占空比下，采用单斩PWM调制方式对产生电磁转矩有利。

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18、

the ofdm ( orthogonal frequency division multiplexing) multi-carrier modulation is used to process messages instead of the traditional single carrier modulation.

提出利用正交频分复用（OFDM）多载波调制方式代替单载波调制方式对信息进行处理。

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19、

in this paper, the pwm modulation, the peak current feedback control mode, the inductor current continuous mode is adopted.

本文采用PWM调制方式，峰值电流反馈控制模式，电感工作在电流连续模式下。

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20、

further more, analytical solution educes an illuminative clue for spectral analysis on complicated output pwm waveforms based on different modulation strategies.

并且这种分析方法为不同调制方式下的输出PWM波形的频谱分析提供了一种启发性的思路。

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