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数字信号转换
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  digital signal conversion
     The protection function of flameproof switch is designed to voice promt by using digital signal conversion IC,digital storage,sound production touch and double power amplifier so as to warn the operator elimate safe problem accuratly and in time.
     采用数字信号转换集成电路、数字储存器、放音触发、双功放,将隔爆开关中的保护功能设计成语音提示,使其保护功能准确、及时、直观地提醒操作者,排除安全隐患。
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     The signals of underground pressure and temperature in sensor can be transferred to the parameter adjustment module on the ground numerical controller by signal cable. The digital signal conversion of pressure pulse and liquid level can produce effects on adjusting operation frequency of the plunger pump,which makes oil well operating at a suitable submergence depth and ensures rationality of input and output of oil.
     通过信号电缆将井下传感器的压力、温度信号上传至地面数控装置的参数调整模块,经过压力脉冲-液位数字信号转换,自行调整泵柱塞运行次数,使油井始终工作在合理的沉没度范围内,确保供排合理。
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  conversion from digital
     In the design FPGA is used to control audio sampling and accomplish the conversion from digital audio signal to PWM signal,and then the PWM signal is used to drive the H-bridge for providing audio power output.
     设计中通过FPGA实现对音频信号的采样控制,并将采样的数字信号转换为脉宽调制(PWM)信号,然后驱动H桥电路,实现功率放大。
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  “数字信号转换”译为未确定词的双语例句
     Besides,the principle of resolver digital converter AD2S90 and special chip AD2S99 as well as their interface method with DSP are all given.
     给出了基于AD2S90和AD2S99的旋转变压器 /数字信号转换的原理及其与DSP的接口方法
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     The part is capable of driving up to 100mA of current through a Fiber Optic LED from an ECL or TTL level input signal.
     它将输入的TTL 或ECL 数字信号转换为相应的高频电流脉冲驱动光纤LED,电流脉冲最高可到100mA。
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     For the importance of FT in signal processing, the most important step from theory to practice is to change the digital signal into analog signal by the method of sampling.
     由于傅立叶变换在信号处理中有着很重要的意义和作用,而在信号处理中最重要的由理论通向实践的重要一步就是将数字信号转换为模拟信号,这项工作的实现手段就是采样。
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     The principle of the circuits are stated: firstly, realize 4 bit current mode flash ADC, the digital result is sent to DAC, then subtracted by input current, pass current amplifier, at last get to subsequent 4 bit flash ADC.
     它首先实现高4位的ADC(采用并行电流模ADC实现的),高4位数字信号除了输出外,又通过DAC把高4位的数字信号转换为模拟信号,并与输入模拟信号进行相减,剩余的低位输入的信号通过电流放大器,输入到第二级并行ADC中,实现低4位的数字信号输出,最后与高4位数字信号合在一起构成整个ADC的输出。
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     The intelligentized frequency/voltage conversion equipment can transforms the digital signals into the analog signals by a easy way.
     智能频率/电压转换仪为将数字信号转换为模拟信号提供了一种简单、实用的方法。
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  相似匹配句对
     On Residue-to-Decimal Conversion in Digital Signal Processing
     数字信号处理中的余—十转换
短句来源
     Analog-to-digital signals conversion technology. d.
     3数字信号与模拟信号间的转换技术。
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     Transforming Bridge
     转换
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     High Conversion Light Water Reactor
     高转换轻水堆
短句来源
     New method of digital signal processing
     数字信号处理的新方法
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  digital signal conversion
The digital signal conversion from the time domain to an integrated power spectrum is done in only one complex FPGA chip.
      
  conversion from digital
Image processing procedure involving radiometric correction is carried out for conversion from digital numbers (DNs) to spectral radiance to correlate water quality parameters and satellite data by using multiple regression technique.
      
This allows direct transmission of the video information from Crystalio to the display without any conversion from digital to analogue signals.
      


Research on signal recovery about digital signal to analog signal in computer aided testdata processing is presented in this paper. Basic signal recovery theory is discussed,and tradi-tional methods and their defects are analvzed.As a result,a new signal recovery technologyby using spline function approximation and its advantage in application are given out。

对计算机辅助测试数据处理中的数字信号转换为模拟信号的复原技术进行了研究。简述了信号复原的基本理论,分析了常用方法的原理与不足,给出了用样条函数逼近作为信号复原方法在实际应用中的优点。

The design of the modulator-demodulator which has changing frequency and is keyed by a computer is introduced in the paper.Most of the existing domestic communication systems are analog communications systems.Their transmission band frequency has certain restriction.To transmit digital signal with the present existing analog communication system (such as,telephone line,short-wave radio broadcasting station,etc ...),a device which can convert digital signal into analog signal and convert analog signal into digital...

The design of the modulator-demodulator which has changing frequency and is keyed by a computer is introduced in the paper.Most of the existing domestic communication systems are analog communications systems.Their transmission band frequency has certain restriction.To transmit digital signal with the present existing analog communication system (such as,telephone line,short-wave radio broadcasting station,etc ...),a device which can convert digital signal into analog signal and convert analog signal into digital signal is needed' Such device is called modulator-demodulator. This paper designed one which is keyed by a computer.The paper atso solved the problem of the interface between the computer RS-232C and its language communication wire and of receiving and giving orders.

介绍Am7910为主的移频键控调制解调器的设计.现有的国内通讯系统多数是利用现有的模拟通讯系统(如:电话线,短波无线电台等)来实现数字信号的传输(如计算机通信,传真等),就必须用一种将数字信号转换成模拟信号,或把模拟信号转换成数字信号的装置.这个装置人们通常称它为数字调制调器(MODEM).笔者在设计过程,主要解决了计算机键控调制解调器的设计及计算机RS—232C,语言通信线路的接口,收发技术等问题.

In order to solve the problem about the reactor period calibrating instrument, a new software signal source based on numerical calculation is presented. An accurate digital signal is generated by computer and converted to analog ,then precise reactor current signal is acquired.

为了解决反应堆周期校验仪存在的问题 ,提出一种基于数值计算的软件信号源。利用计算机产生精确的数字信号 ,再将数字信号转换成模拟信号 ,以获得准确的反应堆周期电流信号。

 
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