定时信号

For this reason, an optimal automatic timing control algorithm is proposed, that can restrain the switching frequency in a certain range to achieve the purpose of high efficiency and energy conservation. Taking such factors as inductive reactance at AC side, switching frequency, harmonic distortion rate and switching loss as well as the interaction among them into consideration, the formulas for inductive reactance and switching frequency are given; then by use of digital signal processor TMS320F2812, a prototype based on the proposed algorithm is implemented, and using this prototype the effectiveness and practicality of the proposed method are verified by experimental research and simulation.

文章提出了自动定时控制的优化算法，将开关频率限定在一定范围内，以达到高效节能的目的；综合考虑交流侧感抗、开关频率、谐波畸变率和开关损耗等指标，提出了主电路电感参数和开关频率的选择公式，并采用TMS320F2812数字信号处理器构造了试验样机，进行仿真和试验研究，其结果证明了该方法的有效性和实用性。

3000W heater hybrid DMX-512 electronic temperature control signal control system Mirror Pipeline smoke output regulation approximately 3,000 cubic meters per minute bell smoke output X-4 LCD set When quantitative controller, five 5-meter line connecting an election accessories : remote X Boards

3000W混合加热器·DMX-512信号控制·电子温度控制系统·镜面管道技术·烟雾输出量调节·大约3000立方米/分钟的烟雾输出量·X-4液晶定时定量控制器，5米5芯连接线1条·选配件：X-3遥控套件

The system designed to break the traditional model, First of all, the measurement of the resistivity of components using parameters R consisting of 555 timer Multivibrator transformed into a frequency signal f, Then after counting SCM operations of the resistance R calculated, the final delivery of digital display circuit, the implementation of intelligent measurement.

该系统打破传统的设计模式，首先把要测量的电阻元件的参数R利用555定时器构成的多谐振荡器转换成频率信号f，然后用单片机计数后再运算求出R的阻值，最后送数码显示电路，实现了智能化测量。

By detecting the oscillation circuit natural frequency to determine the level of water.The frequencymeter use the Microprocessor internal counter to counting the film resonant frequency of the water level sensor pulse,then Microprocessor regular function to achieve frequency testing, final adoption of LED display circuit dynamic numerical show.

该频率计直接利用单片机内部的计数器对薄膜谐振式水位传感器的频率脉冲信号进行计数，然后利用单片机的定时功能实现对频率的检测，最后通过LED动态显示电路显示数值。

When a 105 test line at a far-end office is called and seized, timing functions are initiated and an off-hook supervisory signal and test progress tone are returned to the originating office.

当远端站的T105测试线发起呼叫并被扑捉到时，定时功能启动，摘机监控信号及测试过程音返回始发局。

Introduced to used for the city crossroad oscular of three color distances control the transportation signal time display to research to manufacture the project, as to it's power supply power supply, gave out light the load structure, the light color time examinations of the diode composing to the choiceness reasonable of excellent turn the structure, raised the product credibility and lowered the manufacturing cost significantly.

介绍了用于城市交叉路口的三色程控交通信号时间显示器的研制方案，对其电源供电、发光二极管构成的负载结构、灯色时间检测都给出了精巧合理的优化结构，大幅度地提高了产品可靠性并降低了制造成本。关键词：8051单片机；交通灯；自动控制；时间显示器；软件；硬件；定时器；延时；外部中断问题补充：楼下的答案好像很正确。我英文不大懂。如果是用工具翻译的。就手动改下吧。

The pharos is controlled by reliable program. Working status data is collected in real time. A two-stage amplifier is used to sense the current signal. VHF transmitter-receiver is used as the means of communication, which is working at 233. 3MHZ. GPS data is collected to calculate the latitude and longitude valued of the pharos. Sleep mode is used to reduce the energy consumption. Auto alarm function and watch dog function are integrated to maintain its stability and reliability.

在用高性能8位处理器68HC908SR12设计的新型遥控遥测航标灯中，充分利用了处理器的功能，实现了对灯器的程序化控制，实时进行数据采集，采用了两级放大器对电流信号进行放大，采用VHF电台进行远程通信，对GPS定位数据进行采集和处理，为了降低功耗实现了定时和睡眠控制，为保证工作稳定性和可靠性，启动了故障处理、自动报警功能，以及看门狗功能。

AT89C52 to the design at the core, and make full use of the three regular AT89C52 / timer, Measure N c...

本设计以AT89C52为核心，充分利用AT89C52的三个定时/计时器，采用测量N个周期信号波形的算法。

In telegraphy, a measure of the ability of the receiving apparatus to copy with timing errors in the received signal.

在电报中，接收设备处理接收信号定时差错能力的一种度量。

In telegraphy,a measure of the ability of the receiving apparatus to copy with timing errors in the received signal.

在电报中，接收设备处理接收信号定时差错能力的一种度量。无线电接收机；收音机

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。