核心频率

核心频率是上个世纪由江诗丹顿手表口袋开始大量核心的库存和再抛光的变革。

Core clock is the beginning of the last century by a Vacheron Constantin pocket watch huge core inventory and re-polished by the transformation .

利用FPGA内部集成锁相环，核心频率可以倍频至几百兆的优点，设计了高频脉冲计数器并利用FPGA分频产生稳定的脉冲驱动扫描电机。

The core frequency can be frequency-doubled to hundreds of megabytes with utilizing the advantages of integrating phase-locked loop of inner FPGA . A high frequency pulse counter has been designed and the stable pulsed drive scanning motor can be produced by use of frequency splitting of FPGA .

石英晶体谐振器是常见的电子元件。由于其具有高精密、高稳定性等重要特点，是电子设备不可或缺的核心频率器件，是频率器件中是其它产品难以替代的。

Quartz-crystal resonators is one of common electronic components which is a core and non-substitutable frequency component in electronic equipment because of its high precision and high stability .

同时对稳态电能质量检测的核心频率检测，作了详细的分析，并提出了一种新的适用于实时条件下的频率偏差检测算法基于复幅度的实时频率检测算法。

Moreover frequency detection , the core of the third part , is analyzed in detail and based on the complex magnitude of harmonic signal , a novel algorithm for computing the frequency deviation in real-time is proposed .

蔷褪俏裁丛赑RA，你会看到非常低的，电站核心损坏频率的数值，那能够归功于一个水的系统，那可能是掩盖在那的，但是能够给核心提供水。

That 's why in the PRAs you 'll see very very low numbers for core damage frequencies for plants that can take credit for a water system that may be buried over here but can provide water to the core .

作为电子系统的核心，频率源的特性直接影响着整个系统的性能。

As core of the electronic system , frequency synthesizer affects the performance of the whole system .

介绍了Si4123/Si4133W频率合成器芯片的工作原理和功能结构，以及在具体通信系统中以该芯片为核心的频率源的设计方法和实现过程。

The paper introduces the principle and functional structure of Si4123 / Si4133W frequency synthesizer , and the design and realization of PLL source in concrete communication system based on chips .

跳频通信技术的核心是频率合成技术，频率合成技术是实现高稳定度载波信号频率变换的基本技术之一，频率合成器的性能将决定整个跳频系统的性能。

The technique of frequency synthesis is the hard core of the frequency-hopped communication and it is the primary technique among the methods of realizing high stability carrier wave and frequency changing . The capability of the frequency synthesizer determines the whole capability of the FH system .

驱动控制系统以DSP芯片为核心，输出频率、幅值和步数可调的波形，对执行器的运动进行驱动和定位。

The DSP chip is the core of the drive-control and angle-detecting system . It produces the output signals which frequency , amplitude and step can be adjusted to drive the actuator rotary and position .

研制了一种以电荷转移器件（CTD）为核心，具有频率特性可随意调节的压电传感器频率特性补偿器。

A compensator of frequency characteristic of piezoelectric sensor is presented . This compensator has the adjustable frequency characteristic arbitrarily based on charge transfer devices ( CTD ) .

以实际工程项目中要求的中频电源为研究对象，设计了一种基于SPWM技术的中频电源系统方案.系统以单片机和SPWM信号发生芯片为核心，利用频率和电压反馈实现了中频电源设计。

With the intermediate frequency power supply in the practical engineering project as the research object , a scheme of intermediate frequency power supply is developed , which utilizes microcontrollers and signal generator of SPWM to realize the design by feedback of frequency and voltage .

核心部分是频率调制器。

The central part is frequency modulator .

由于魏晋时期文献材料的繁冗庞杂，核心词出现频率高，无法一一分类罗列。

Considering the numerous and jumbled status of the references in the dynasty of Wei and Jin and the high frequency the kernel words used , to classify them one by one was impossible .

这部分的工作包括两点：一是证明了无论慢衰落还是快衰落，迹准则的核心思想在频率选择性衰落下都仍然成立。

This part of work includes two points : One is that the key ideal of the TC is proved to be also correct in frequency selective fading channels in despite of fading speed .

以DDS为核心实现对时钟频率输出的精密控制。

Achieve precise control of clock frequency through DDS . 3 .

对于核心组件之一的频率合成链路，我们选用直接频率合成的方式来实现有用信号的生成。

Direct frequency synthesize method is used to synthesize the useful signal for the frequency synthesis chain .

整个系统以单片机为控制核心，实现了频率、相位、幅值的数显及步进调整。

It is based on a microprocessor , realizing the digital display of frequency , phase and amplitude and adjusting them step by step .

由于软件具有其特有的属性及要求，因此软件的核心控件以及使用频率较高的控件都需要使用自定义控件来完成，由此可见自定义控件的设计是本次设计的一个重点。

As the software has its unique attributes and requirements , the core widgets of the software require the use of custom widgets to accomplish .