查询词典 communicate by signals

Base on the analysis of the grating linear displacement measurement theory,t he measure errors especially the subdivision error of the grating scale,this paper focuses on the theory of switch and merge of dual grating scales'signals,builds the design criteria of high speed high precision displacement measurement by using dual grating sales,designs the switch picking reference with high precision and fast switch and merge method,analyses the errors brought in by switch and merge of the duals grating scales.

针对光栅尺的电子细分信号具有细分误差的特性，本文提出了对莫尔条纹信号不细分的方法以提高双光栅尺信号切换合成值的精度。经过对双光栅计数切换基准、切换与合成特征和规律的探讨，本文设计了实现双光栅尺双重测量、计数值切换合成法的硬件电路，主要通过可编程芯片FPGA，设计了双光栅尺信号处理的各电路模块，如双光栅尺信号四倍频辨向模块、速度判断模块、切换模块、计数值合成处理模块。

A controller processes the RF signals received at and transmitted from the duplexer and controls the whip antenna driver to extend the whip antenna in a speech state or upon a call attempt from a user.

控制器处理从双工器接收的RF信号和发送到双工器的RF信号，控制拉杆天线驱动器，以便在谈话状态下或一旦用户尝试呼叫时，伸出拉杆天线。

This invention discloses a duplexer and a multiplexer of the communication system and a method to realize them on a PCB circuit, which applies a 3db bridge and a low pass filter to constitute a hopstreet duplexer without waste band channels, in which, the signals are shunted and combined by the design of the circuit structure and power distribution of the 3-db bridge and phase offset function, the band filter of the low pass filter and the reflection function of a stopband to make up of a costless duplexer in theory to merge the two channels of different frequencies and reduce loss to increase volume and working bandwidth, then a multiplexer is formed by cascading multiple duplexers.

本发明涉及通信设备，公开了一种通信系统双工器和多工器以及双工多工方法，使得双工器和多工器能够在PCB电路上实现，并且体积小、损耗小、成本低、容量大。本发明中，采用三分贝电桥、低通滤波器构成无损耗频带信道合路的双工器，其中通过电路结构的设计并利用三分贝电桥的功率分配和相位偏移功能将各路信号进行分路和组合，利用低通滤波器的频带滤波和阻带反射功能联合三分贝电桥构造一个理论无耗的双工器，使两路不同频率的信道合路，降低的损耗、提高容量和工作带宽。通过多个上述双工器的级联构成多工器。

These proteins transduce outside signals to intracellular effectors and play a central role in almost all physiological functions.

这些受体蛋白将细胞外的信号传递到细胞内的效应器，在几乎所有的生理功能运行中扮演至关重要的角色。

BCBBs are designed for not only symmetric linear arrays but also asymmetric linear arrays, are arrays and circle arrays. The BCBBs designed are tested by LFM signals, and the results show that the BCBBs achieve good quality. The word length of the filter efficients are studied from the view of engineering implementation. It is shown that using 8 bits can satisfy the requirement. Multi-beam BCBBs with 2 degree beamwidth in two octave and 1/3 octave frequency band are designed and tested for a specified array.

设计好的宽带恒定束宽波束形成器用线性调频信号进行了检验，证明了其正确性；从工程实际的角度出发，研究了滤波器系数字长对系统性能的影响，研究表明采用8位的滤波器可以满足要求；结合实际课题，在深入分析阵形结构特征的基础上，分别设计了倍频程和1/3倍频程多波束宽带恒定束宽波束形成器，并通过线性调频信号进行了验证，为其工程实现打下了良好的基础。

Artificial conditions of plant cell culture, such as plant growth regulators, nutritious factors and elicitors, can be as metabolic regulation signals to regulate plant cell growth and secondary metabolite biosynthesize.

植物细胞培养的人工环境中诸如植物生长调节剂、营养因子和刺激剂等代谢控制信号可以调节控制植物细胞生长和次级代谢产物的生物合成。

Angiogenesis is regulated by signals derived from receptors for both growth factors and ECM molecules. Recent studies have shown that activation of ERKs is closely involved in the migration or tubular-like formation of endothelial cells and induced by various angiogenic factors.

血管新生可以受到许多来自於生长因子受器及胞外基质受器的讯息所调控，而近年的研究也显示ERK的活化不但会受到许多促血管新生因子的诱导，而且跟内皮细胞的移型及管状形成作用有很大的关系。

The control section gov- erns the operation of the multiplexers, enables loading of the Block Start Address register, and signals completion of an address sequence.

控制部分州长，erns多工器的运作，使该块起始地址寄存器加载，和信号的地址顺序完成。

It can receive signals from sensors, generate commands based on demands, and send them to executors.

智能小区可以在智能家居的基础上，补充对公共设施的监控功能，从而可以方便的查询公共资源的利用情况，了解公共设施的远行状况，及时获取各种公共信息，享受小区提供的其他服务。

In this paper,the mathematic models of hydraulic actuator of once extraction steam turbine gov-erning system,which have different type of synthesis and application of control signals,have beengiven.

该文给出了采用不同方式实现信号综合与控制的一次调节抽汽透平调节系统液压执行元件的数学模型。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。