查询词典 modulation capability

And velocity bunching mechanism is a SAR inherent modulation.

而速度聚束调制是SAR所特有的调制机理。

The software called Protel99SE for circuited signed is used to develop the hardware of the controller. The hardware includes the power supply Printed Circuit Board, the signal modulation board, the interface board of human %26amp; machine,and the main control board which is the core of this controller.

锅炉的特点，研制开发了基于MCS-51单片机的小型家用燃气锅炉智能控制器，旨在改变城镇居民使用燃煤锅炉集中采暖时所遇到的室内温度不易控制、无法实现智能控制等的不便，减少因燃煤而产生的大气污染，提高天然气的使用率，改进家庭采暖的控制方式，提高采暖的经济性，改善人们的生活设施。

A considerable portion of this book is devoted to the study of how modulation schemes are deigned to achieve the above tasks.

在处理信号以提高发射效率这一点上，编码器和调制器的目的相似。

The method includes following steps:(1) initial frequency selection;(2) based on modulation mode adopted, the sending end carries out symbol mapping, changes signal spectrum based on label information of sub channel, and sends signal in time domain;(3) based on label information of sub channel, the receiving end carries out equalization for received signal, demodulates signal and accomplishes judgment;(4) carrying out channel estimation or prediction, the receiving end obtains updated information of signal state, and determines whether label information of sub channel is needed to update based on self-adapting judgment rule.

本发明提供了一种移动宽带信道中的自适应选频分块传输方法，该方法包括以下步骤：(1)初始选频；(2)发端根据所采用的调制方式进行符号映射，根据子信道标记信息改变信号频谱，并发送时域信号；(3)收端根据子信道标记信息对接收信号进行均衡，解调信号并完成判决；(4)收端进行信道估计或预测得到更新的信道状态信息，根据自适应判断规则，判断是否需要更新子信道标记信息。

The realization monolithic integrated circuit system double audio frequency, this radio has used double audio frequency decoding chip MT8870, demodulates the tonic train signalling from the frequency-modulated signal, and separates the double tonic train signalling from the tonic train signalling to enter the double audio frequency decoding electric circuit implementation letter command to decode, thus carries on the low gear rate using the frequency modulation channel the control command transmission.

为实现单片机控制的双音频解码，本收音机采用了双音频译码芯片MT8870，从调频信号中解调出音频信号，并从音频信号中分离出双音频信号进入双音频解码电路实行信令解码，从而利用调频信道进行低速率的控制指令的传输。

A voltage flicker demodulation method is provided, which relates to a method for demodulating voltage flicker modulation wave.

一种电压闪变检波方法，它涉及一种电压闪变调制波的检波方法。

Oversampling based Sigma-Delta modulation technique once had been widely used in low-speed high-resolution field, but they has excessed this limitation for high-speed device development and the strong requirements of modern wire/wireless communication.

但这种局面已经改变，一方面由于现代CMOS工艺的进步使系统工作时钟频率不断提高，另一方面受到现代通信系统巨大需求的刺激，现在Sigma-Delta模数转换器早已突破了1MHz的带宽限制，并持续往高速应用领域发展。

The dissertation regards the practices of Mao Ze-dong dealing with Sino-U. S. relations as research topic, exhumes internal mind experiences by external objective actions, studies Mao"s world insight, developing thought and spirit of dealing with concrete matters relating to work, clarifies the changes of Mao"s America view, uncovers subjective and objective reasons resulting from the changes and the influence on the foreign policy transformation and modulation, furthermore, the article will provides historical reference for the contemporary similar problem.

本文以毛泽东一生处理中美关系的实践为研究对象，从外在的客观活动来发掘内在心路历程，把握他面对美国的世界眼光、发展思维和务实精神，理清他对美国认识发展变化的思想脉络，揭示导致这种起伏变化的主客观原因，及其带来的外交策略转变与调整，从而把握中美关系的大致走向，为今天正确处理中美关系提供一些历史的借鉴。

Data accumulated up to now have indicated the important role of MR in fertilizing modulation of human.

有关资料表明，MR在人类受精调节中可能起重要作用，但迄今对MR的表达、定位和功能等基本问题尚无较一致的看法，极待进一步深入探讨。

Uses the automated control not only on the galvanization production line to be possible to raise the product manufacturing efficiency and to reduce worker's labor intensity, and has the very good economic efficiency and the social efficiency, galvanizes on the production line to be possible to realize the automated control using PLC, PLC has the reliability to be high, the compatibility is broad, has the correspondence function, the structure modulation characteristic, therefore how to use good PLC to become the galvanization production line automation control key, auxiliary to galvanized the automatic production line driving with PLC by the frequency changer to carry on the automatic control, had the structure to be simple, the programming was convenient, the operation was flexible, the use safe, worked stable, the perform reliably and the antijamming ability strong characteristic, was one kind of very effective automatic controlThe way, is galvanizes the production to realize, the low cost, the high grade automated production development direction highly effective.

在电镀生产线上采用自动化控制不但可以提高产品生产效率和减轻工人的劳动强度，而且有着非常好的经济效益和社会效益，电镀生产线上运用PLC则可以实现自动化控制，PLC具有可靠性高，适应性广，具有通信功能，结构模块化的特点，因此如何使用好PLC成了电镀生产线自动化控制的关键，用PLC辅以变频器对电镀自动生产线行车进行自动控制，具有结构简单、编程方便、操作灵活、使用安全、工作稳定、性能可靠和抗干扰能力强的特点，是一种很有效的自动控制方式，是电镀生产实现高效、低成本、高质量自动化生产的发展方向。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。