查询词典 transmitter-receiver

Then again he invented the telegraph type two kinds. In 1877, he invented TanJing telephone transmitter, make the original phone voice more clear. In addition, he also invented the phonograph.

后来他又发明了两种新型的电报机。1877年他发明了碳精电话送话器，使原有的电话声音更为清晰；此外他还发明了留声机。

The article introduces communication theory of FM at first, recommend one more pair of sound receive the basic operation principle of telephone transmitter MT8888C and commonly used work pattern frequently more, then regard realizing receiving and dispatching DTM F signal as the typical interface circuit that the example provides MT8888C and 89C51 and control the software.

文章首先介绍了FM的通信理论，再介绍双音多频接收发送器MT8888C 的基本工作原理和常用的工作模式，然后以实现收发DTM F 信号为例给出了MT8888C 与89C51 的典型接口电路和控制软件。

But he succeeded and, in 1877, he took out a patent for a "Speaking Telegraph Transmitter".

但是，他成功了，并于1877年获得了&语音电报传送机&发明专利。

The functions include logic controls such as normal start, restart, heavy start, normal change, emergency change, brake, stop etc; speed controls such as telegraph transmitter, accelerating rate, program load, critical speed limit, E-P changeover etc;Finish the ME remote contol system about Hardware and software design of nucleus controllers.

新系统在开发中，充分利用S7-300PLC的新技术，便新系统具有典型的模块化结构，软硬件具有通用性和互换性，便于建立全船控制管理中心，使青岛远洋船员学院自动化机舱有很大提高，符合教学训练的各种要求。

Symptoms: production, has been periodically appear book letter to feed the transmitter to feed got in place, resulting in the book letter longer than book block head or tail.

故障现象：生产过程中，曾周期性地出现书封喂送器喂送不到位的情况，导致书封长于书芯天头或地脚的现象。

An early radio transmitter using a discharge across a spark gap as the source of its power.

通过火花隙放电作为其电源的早期无线电发射机。

When scanning, from light transmitter beams shines on the bar code on the basis of the photoelectric detector from bar code on the binvalidation of the reflected light intensity to respond to that, when scanning a white spot sweep to the surface or in two in the space between the black line, the reflection of light intensity, high current output a detector; when the scan-to-black lines, reflected light, detector output UN-effectual, on the basis of narrow-striped width or length of time made in response to changes in light and shade with bar code and converted to a little different current signal, after a post to the bezze codec.

扫描时，从平发射器发不入的平束照在条码上时，平电检测器根据平束从条形码上不直射返来的平不不弱度息不入回答，当扫描平不背扫到白纸背上或处于两条暗线之间的空缺处时，不直射平不不弱，检测器输不入一个不小电流；当扫描至暗线条洋时，不直射平不弱，检测器输不入小电流，并根据暗线宽或广息不入工夫不幼短差别的反响，随着条形码明暗的改变变化为人小差别的电流暗记，经过放不小后运输到泽码器洋去。

Transmitter, antenna and sending set are all in one , convenient for outside work.

传感器、天线与发射机一体化，便于野外作业

Advantages of power operational amplifier in underwater sound transmitter and problems of power opertional amplifier with reliability and stability in application are described.

描述了功率运放在水声发射机方面的特点，探讨了功率运放在应用中可靠性和稳定性等方面的问题，给出了发射机应用实例。

Just hook up this transmitter, then tune in your portable radio to your desired frequency and listen to your heart's content!

刚刚接上这发射机，然后调重弹在您的便携式无线电至您想要的频率，并听取你的心的内容！

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。