The digital realization of monostable circuit and extraction of bit-synchronous signal with digital phase lock loop are also introduced in detail.
对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。
Lock-in amplifying (LIA) is one of important means for weak signal detection.
锁相放大是微弱信号检测的重要手段。
Two signal processing methods, one based on analog filters, the other based on digital lock-in amplifying technique, are developed and analyzed.
设计了基于模拟滤波器和基于数字锁相放大技术的两种红外气体传感器的信号处理方法。
It is noted that the minimum mean square error (MMSE) detector often loses phase to lock a desired signal when the desired signal dips into a deep fade.
在实际通信系统中当信号处于深衰落时，最小均方误差(MMSE)检测器经常失去对信号的相位跟踪。
This paper gives a detailed analysis of the principle of the phase lock circuit, one of the most important parts of the QF1052B Standard Signal Generator and provides some methods of checking it.
本文详细分析了QF1052B型标准信号发生器锁相环部分的基本组成及其工作原理，并提出了对此部分电路的检测方法。
Lock-in amplifiers are used widely in low photoelectric signal detecting.
锁相放大器在微弱光电信号检测中有着广泛的应用。
Lock reestablished on new signal, he said.
锁定重建新信号，他说。
In this paper, a solution of a control system, which USES the standard time signal as the system reference to lock the local VCXO, is proposed.
论文提出了一个以远距离传输的标准时间信号为参考来锁定本地晶体振荡器的锁相控制系统的实现方案。
A card reader at the lock location reads the code and sends the information to a computer, which sends a signal to release the bolt if the code is correct.
阿锁的位置在读卡机读取的代码和发送信息到电脑，这发出了一个信号，释放螺栓如果代码是正确的。
The conduction of special cable and special phase lock loop technology makes high signal more accurate;
特种的传导电缆和特殊的锁相环技术使高度信号更精准；
The task of a phase-lock receiver is to reproduce the original signal while removing as much of the noise as possible.
锁相接收机的作用是重建原信号而尽可能地去除噪声。
By narrowing the bandwidth of the signal and amplifying it by a lock-in amplifier, the fluctuating components of the signal can be shown on an oscillograph with lock-in amplifier.
锁相放大技术对被测信号进行窄带放大，锁相放大器结合示波器输出了被测信号的周期变化部分，实现了光热法测量中微弱信号的测量。
This paper describes a method of suppressing correlation jamming at the frequency of reference signal which cannot be suppressed by lock-in amplifier and Boxcar integrator.
锁定放大器和取样积分器都不能抑制与参考信号同频率的干扰。本文提出了一种能抑制这种干扰的方法。
As the voltage VCTR varies, VCO 104 varies the frequency of the VCO output signal, causing phase offsets and increased output jitter when PLL 100 is in lock mode, as shown by dotted line 202.
随着电压VCTR改变，VCO 104改变VCO输出信号的频率，使得当pll 100处于锁定模式时引起脉冲偏移和增大的输出抖动，如图中虚线202所示。
The optical signal was amplified by a lock-in amplifier.
光信号用锁定放大器放大，进行动态测量。
The output ends of the electronic lock switch are further connected with the control signal ends corresponding to the speed controller.
所述电子锁开关的各个输出端还分别与速度控制器上对应的控制信号端连接。
For every lock head, each of its 2 substations is a reserve one to the other, but these two substations operate concurrently and only one substation has control signal output.
每个闸首的2个子站互为备用，且同时投入运行，运行时只有一个子站的控制信号输出。
It USES a lock-in amplifier for testing the signal and a personal computer for automatic data scanning, collecting and processing.
利用锁相放大器追踪测量信号，微机自动扫描、采集和处理数据。
A lock-in amplifier is used to supply the driving signal and to detect the output signal corresponding to the sample's strain.
使用锁相放大器提供驱动信号，并同时检测对应于样品形变的输出信号。
The digital lock-in technique is used to rather extract the effective signal from the noise and reduce the measurement error.
采用数字锁相技术从噪声中提取有效信号，以减小测量误差。
A method of implementing digital lock in amplifier with DSP (digital signal processor) and sampling ADC (analog digital converter) is discussed.
探讨了用DSP(数字信号处理器)和采样adc(模数转换器)实现数字锁定放大器的一种方法。
This means that if a receiver can lock onto an incoming interface signal, then the audio word values are safe.
这意味着，如果一个接收器可以锁定传入接口信号，然后将音频字值是安全的。
It can control the stepper motor to change the pressure of the relay, and the A/D circuit samples the signal of the pressure sensor and then acquires the lock or alarm value after processing.
该校验仪通过步进电机对密度继电器压力进行调节，并通过模数转换电路采集压力传感器的输出，实现对密度继电器报警及闭锁压力的测量。
This paper discusses the influence of mixer on the phase lock-loop (PLL) circuit of a local oscillator. In mixer, local signal is produced by the PLL circuit.
本文讨论了采用锁相环路作为本振信号的混频器对本振锁相环路的影响。
Accident signal and reclosers lock in operation of remote control when transforming general substation into an unatfended one;
根据《煤矿安全规程》规定的要求，对井口信号与操车设备实施闭锁控制的技术改造。
Child LOck. game. calender, AUto shut off for NO Signal, Delay Switch Off.
童锁。游戏。万年历。无信号自动静音。延时关机。
The thread that currently owns the lock on the specified object invokes this method to signal all threads waiting to acquire the lock on the object.
目前拥有指定物件之锁定的执行绪会叫用这个方法来通知等候取得物件锁定的所有执行绪。
Its signal magnifying and processing achieved by lock-in amplifier.
它的信号放大、处理主要由锁相放大器完成。
Its signal magnifying and processing achieved by lock-in amplifier.
它的信号放大、处理主要由锁相放大器完成。
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