The source audio essence is encoded using pulse code modulation or PCM.
源音频的本质是用脉码调制或PCM编码。
The most popular method to do that now is PCM. PCM stands for pulse code modulation.
现在最常用的方法是PCM,这是英文脉冲编码调制的缩写。
A pneumatic position servo system with pulse code modulation (PCM) is described in this paper.
本文研究脉冲编码调制(PCM)控制方式的气压位置伺服系统。
The principle of converting analog signals to digital signals bacame popular with the introduction of pulse code modulation ;
随着脉冲编码调制技术的出现,把模拟信号转换为数字信号的原理得到广泛应用;
The audio data should be in a format understood by the headset (for example, A-law PCM [Pulse Code Modulation] format for the Sony headset).
音频数据应当是耳机可以理解的格式(例如,Sony耳机的a - law P CM [Pulse Codemodulation]格式)。
In pulse code modulation, the representation of the quantized samples of an analogue signal by character signals according to a defined code.
在脉码调制技术中,按照确定的代码由字符信号对模拟信号量化采样的表示法。
Conclusion: Ultrasonic excitation of pulse code is helpful and therefore has a high specificity and sensitivity in the diagnosis of ra and OA.
结论超声激励脉冲编码技术是一项有价值的诊断技术,对RA和OA的诊断具有高度的特异性和敏感性。
The beacon signal is the reunite signal of linear FM signal and pulse code signal, and the pulse code signal is used as a token of emit signal.
信标信号为线性调频信号和脉冲编码信号的复合信号,其中脉冲编码信号用来表征发射信号序号。
Main steps and requirements: (1) post-judgment by the AMI code sample digital sequence to restore the original PCM pulse code signal (signal 0, 1).
主要步骤和要求:(1)由抽样判决后的AMI码型数字序列恢复出原始的PCM脉冲编码信号(0、1信号)。
The methods and process of the measurement & calibration of ARINC429 bus emulator using digital oscillograph and pulse code generator are introduced.
介绍了利用数字存储示波器和脉冲码型发送器校准ARINC429总线仿真器的发送器和接收器的电气特性和通信规约的方法和步骤。
The effects of the channel bit error on the reconstructed images of the Differential Pulse Code Modulation (DPCM) systems are analysed in this paper.
本文分析了信道误码对DPCM图象传输系统重建图象的影响。
The generalized pulse code module (GPCM) control valve is a type of combination valve, and each flow control unit is connected together by mono-block.
广义脉码调制(GPCM)控制阀是一种组合形式的阀,各基元通过液压集成块连接到一起。
The basis theory of generalized pulse code modulation (GPCM) was described, and several typical application circuits with GPCM control were presented.
介绍了广义脉码调制(GPCM)控制理论,结合具体应用情况,阐述了几种GPCM控制阀典型应用的控制回路。
The generalized pulse code modulation (GPCM) control valve is a type of combination valve, and each flow control unit is connected together by mono-block.
广义脉码调制(GPCM)控制阀是一种组合型式的阀,组成的各基元通过液压集成块连接到一起。
The relationships between GRI pulse sequences and reference pulses, as well as between modulation code groups and Loran-C pulse groups are analyzed.
分析了GRI脉冲序列与参考脉冲,以及调制码组与罗兰C脉冲组的时间关系。
For the phase code pulse compression radar, the article gives emphasis to introduce its working principle and realizing method.
对于相位编码脉冲压缩雷达方案,重点介绍了其工作原理和实现方法。
A method of phase code named SZ code to mitigate range ambiguity applied on a pulse Doppler weather radar is introduced.
描述一种被称为SZ相位编码的解距离模糊方法在脉冲多普勒气象雷达中的应用。
This technique uses different time delay values of the LFM pulse to code the transmitted information, and uses time delay estimation technique to perform decoding.
该技术利用线性调频信号(LFM)矩形脉冲的时延值进行时延编码,在接收端采用时延估计技术进行时延解码。
Phase code signal is a kind of pulse compression waveform which is widely used in radar system.
相位编码信号是在雷达中广泛使用的一种脉冲压缩波形。
In this paper, a PD radar signal is researched, which is modulated by randomly staggered pulse sequence whose phase is also modulated by random binary-phase code.
本文研究了随机脉冲位置调制与脉冲之间随机相位调制相结合的脉冲多卜勒雷达信号。
The frequency hop code pulse signal is a new form of pulse compression radar signal, and is of great analysis value.
跳频编码脉冲信号是一种新的脉冲压缩雷达信号形式,极具研究价值。
The average ambiguity function of the random multielement code PPM pulse sequence is developed and analyzed.
推导并分析了随机多元码PPM脉冲序列的平均模糊函数。
The accuracy control of the motors in Gamma-ray irradiation of blood is realized by means of the inner pulse output code and the high-speed counter in PLC.
通过使用可编程控制器中的专用脉冲输出指令和高速计数器,实现了对辐照仪步进电机的精确控制。
There lies Doppler mismatch in every code of phase-coded pulse compression techniques.
在相位编码脉冲压缩技术中,各种码都存在着多普勒失配问题。
The design method for hybrid waveforms utilizing ran-dom poly-cell code pulse position modulation (PPM) and pulse-to-pulse binary sequences phase modulation (PM) is introduced in this paper.
该文提出了一种利用随机多元码脉位调制(PPM)和脉间伪随机或随机二元序列相位调制(PM)相结合的混合波形设计方法。
Through keyboard and code generation circuit, coding and pulse modulation vibration with infrared project to form infrared project circuit.
通过键盘及代码生成电路、编码、脉冲调制振荡和红外发射构成红外发射电路。
The paper analyzes frame architecture of PPM code in detail, illustrates pulse-number method and implementation principle of the circuit, and supplies test result of the circuit.
详细分析了PPM编码的帧结构,说明了脉冲编号的解码方案以及电路的实现原理,最终给出电路的仿真测试结果。
It explicates the ways of stepping motor's stepping count and speed in the control of the BCD-code dial switch, and the function of pulse distribution with the programmable soft of PLC.
详细说明了用BC D码拨盘开关控制步进电机步数和速度的方法及可编程序控制器编程软件实现脉冲分配器功能的方法。
Tow base-band IJF pulse signal have been researched: the time-limited double-code rise cosine pulse and the time-limited double-code triangle pulse.
研究了两种基带IJ F脉冲信号:双码元间隔升余弦脉冲以及双码元间隔三角脉冲,并对它们的性能参数作了比较。
The synchronization principle of IRIG-B code is analyzed. When applying IRIG-B code in substation IED, neither communication messages of fieldbus nor multiple pulse signals of GPS are needed.
分析了B码的对时机理,指出变电站的智能设备采用B码对时,就不再需要现场总线的通信报文对时,也不再需要GPS输出大量脉冲接点信号。
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