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.

1、

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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2、

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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3、

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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4、

the system uses boc modulation.

伽利略系统采用BOC调制方式。

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5、

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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6、

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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7、

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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8、

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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9、

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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10、

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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11、

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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12、

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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13、

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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14、

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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15、

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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16、

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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17、

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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18、

different pwm modulate modes are proposed to reduce the loss of driver and corresponding effects on motor are also analyzed.

以减少驱动器损耗为目的提出了不同的PWM调制方式，并分析了对电机的影响；

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19、

analysis of modulation system and narrow band interference suppression in wide band hfc network

宽带HFC网络中的调制方式与窄带干扰抑制的分析

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20、

previous digital honeycomb system often adopt modulation way of fsk, ask, psk etc.

在以前的数字蜂窝系统中，往往采用FSK、ASK、PSK等调制方式。

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