查询词典 digital control

On the basement of passband subsampling and digital downconvertion, according to QPSK with 30M carrier frequency and 8M bandwidth, digital IF channel is elaborately analyzed .In this module, multiple phase filters are elaborately designed .According to this module, IF digital signal is simulated .

以对中频为30MHz，带宽为±4MHz的输入QPSK信号进行带通欠采样和数字下变频为基础，提出和分析了中频数字化通道的实现方案，进行了相应的多相低通抽取滤波器的设计，并针对数字中频信号就数字下变频模块进行了仿真，从而验证了整个下变频系统参数设计的可行性。

Suk Canton Digital Technology Co., Ltd. is a professional engaged in mobile phones, digital cameras, video cameras and other digital products such as batteries and chargers supporting product development, manufacturing and sales of high-paying science and technology enterprises.

广州安硕数码科技有限公司是一家专业从事移动电话、数码相机、摄像机等数码产品配套电池和充电器等产品研发、制造、销售于一体的高薪科技企业。

As the forerunner in research and application of hi-tech, university must take in a great hand in research, development of digital city, digital globe,especially the practice of digital campus.

数字城市的建设是一个庞大而全新的工程，需要花费大量时间和金钱。

Companies specializing in digital network monitoring, digital video and data communications product research and development and production, successful research and development Tigereye series, Cerberus series of MPEG-1, MPEG-4, H.264 network monitoring systems and digital audio and video acquisition card, SupeScan power, the environment and image monitoring system, JS series Guangduan Ji, data multiplexer, data-machine, E1/10Base-T/V3.5 converters, optical transceiver, communications transmission Access and interface protocol converter products.

公司专业从事数字网络监控、数字视频和通信数据产品的研发与生产，成功地研发Tigereye系列、Cerberus系列MPEG-1、MPEG-4，H.264数字网络监控系统及音视频采集卡，SupeScan动力、环境及图像监控系统，JS系列光端机、数据复用器、数据交叉机、E1/10Base-T/V3.5转换器、光纤收发器等，通信传输接入、接口协议转换器产品。

With the universalization of the digital devices and network, digital family technique is becoming the main-stream of modern digital technique.

随着数字设备和网络的普及，数字家庭技术正日益成为现代数字的主流技术。

According to the contents of this paper, the main parts of the digital video controlling and digital video server in the digital video surveillance and controlling system have been designed and developed.

根据论文研究的内容，对网络视频群测监控系统的视频传输控制部分及视频服务器的服务器端和客户端进行了关键部分的设计开发。

The Company is launching the mobile emergency charger is a new era of technology products, it has high-capacity lithium electricity to overcome the past, the capacity of rechargeable emergency small, the use of short time, such as rechargeable disadvantage cumbersome, timely solution for your mobile phone, MP3, CD , digital cameras, digital video camera applications such as all electric lithium digital, mobile equipment outdoors no electricity troubles. Suitable for your travel, go out to business use, you can rest discarded miscellaneous plug wall charger, or AC power in the absence of circumstances at any time you can add energy.

本公司现推出的手机应急充电器，是一个新时代的科技产品，它以高容量锂电克服以往的应急充的容量小，使用时间短、充电繁琐等缺点，为您及时解决手机、MP3、CD、数码相机、数码摄像机等所有应用锂电的数码、移动设备在户外没电的烦恼。，适宜您旅游，外出商务时使用，你尽可丢弃冗杂的插墙式充电器，或在无交流电源的环境下你也可以随时补充能量。

Direct digital waveform synthesizer is a digital method that the radar signal is generally generated.The error resource of DDWS is presented.The principle that signal is reconstructed in digital-to-analog converters is analyzed in the DDWS structure.

介绍了直接数字波形合成(direct digital waveform synthesizer，DDWS)的误差来源，分析了DDWS结构中其数模转换器信号重构机理，比较研究了DAC信号重构误差对输出信号脉冲压缩结果的影响。

Digital clock is a kind of modern calculagraph which is composed of digital integrated circuit and can show decimal digital. Compared with mechanical clock, it is exact and can be see frankly. It is very popular in some public places, such as station, airport.

数字钟是用数字集成电路构成的、用数码显示的一种现代计时器，与机械表比，它走时准、显示直观、无机械传动装置等特点，广泛应用于车站、码头、机场等公共场所。

Through the experiment, carries on the appraisal with the different digital image quality evaluation method to the digital mapping cameral image quality, obtain some image quality situation like uniformity gradient、entropy、 MTF and so on under the different appraisal target Through this topic research I have a system understanding to the quality evaluation of digital mapping cameral image .

通过实验，用不同的数码影像质量评价方法对数码航摄影像质量进行评价，获得在像元均匀梯度、信息熵、MTF等不同评价指标下的影像质量情况。通过本课题的研究使我对数码航摄仪影像质量评价有一个系统的了解。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。