Liner frequency modulating signal, phase coded and frequency coded signal are detected and recognized from all kinds of signals.
从多种信号中检测识别线性调频信号、相位编码信号、频率编码信号。
An all digital signal detecting system using C8051F060 as its core was completed. It can maintain the phase relation of sampling signal and modulating signal.
设计了以C8051F 060混合信号微控制器为核心的全数字信号检测系统,实现其采样信号和调制信号的相位关系保持。
Frequency modulation(FM): the form of modulation in which the frequency of the carrier is varied in accordance with the instantaneous value of the modulating signal.
频率调制:载波的频率依照调校讯号的瞬时值而改变的一种调制。
To overcome the frequency offset between the mixing signal and modulating signal in PGC demodulation, an additional (A/D) channel in DSP system is used to sample the modulating signal.
针对PGC解调中混频信号与实际调制信号的频率偏差,在DSP系统实现中采用一路A/D转换器对调制信号进行同步采样,从而克服了频率偏差对解调结果的影响。
The Archimedes spiral cord modulating chopper's exposure efficiency was theoretically analyzed and numerical simulated, and its impact on the following signal processing was obtained.
对阿基米德螺旋线调制斩波器的曝光效率进行了理论分析和数值模拟,得到斩波器曝光效率对后续信号处理的影响。
This paper presents a new method of guiding AGV by infrared digital signal, introduces the modulating process of guiding signal and the implementing method.
提出了自动导引小车红外数字导引的新方法,介绍了导引信号的调制过程及其实现方法。
Modulating twice the signal to be tested and cross correlating it in turn with two reference signals, we are able to do so.
信号进行二次调制,引入两个参考信号分别对信号进行互相关处理,从而能抑制与参考信号同频率的干扰。
We study numerically the effect of signal modulating noise in bistable stochastic dynamical systems.
用数值方法研究了双稳随机动力系统的信号调制噪声效应。
Digital TV signal modulation is a message transmitting method which is expressed by some discrete states in carrier wave. Only carrier wave modulating parameter is detected.
数字电视信号的调制是用载波信号的某些离散状态来表征所传送的信息,在接收端只对载波信号的离散调制参量进行检测。
Analyzing the automobile carrier communication system from the communication point, including signal coding, decoding, modulating and demodulating and the receiver strategy.
从通信系统的角度分析了汽车载波通信系统应该采取的策略,包括有信号的编码、解码,调制、解调,及接收端策略。
By active scanning method, the output signal of the sensor is detected and analyzed under different ac modulating magnetic fields.
利用动态扫描工作点的信号检测方法,对传感器在不同的交流调制磁场下输出信号进行测试分析。
A new method is proposed to detect the edge through modulating scanning laser beam and picking up the phase reversal of the detection signal as the edge signal.
讨论了一种新的边缘检测方法,即对扫描激光束进行调制,并利用调制信号的相位突变提取边缘信号。
The tool consists of flowrate processing unit, gamma processing unit, temperature processing unit, magnetic signal processing unit, modulating transmission unit and electric processing Unit.
该仪器由流量处理单元、伽马处理单元、井温处理单元、磁性定位处理单元、调制式传输、电源电路六部分组成。
In transducer circuit, the modulating and signal magnifying circuit is designed in detail.
对传感器信号处理电路,信号调制变换和信号放大电路进行了详细设计。
The function of the signal transmitter is encoding, filtering and modulating the signal.
信号发生器完成对原始信号的编码、滤波以及调制;
In this method, the echo of the synthesized equivalent micro-motion point is obtained by modulating the phase of intercepted radar signal with sinusoid in the slow time.
该方法通过对截获的雷达发射信号在慢时间域进行正弦相位调制,得到了等效微动点的回波信号。
This letter mainly deals with the base of adaptive modulating technique: Channel estimation technology and the signal to noise ratio vs. error bit rate performance of MQAM.
本文主要研究自适应调制技术的基础:信道估计技术、MQAM信噪比误比特率性能。
Surface GalTase also delivers a growth inhibitory signal by modulating the ability of the EGF receptor to transduce EGF dependent signals, and plays an important role during cell growth.
另外,表面半乳糖基转移酶通过调节表皮生长因子受体信号传导能力向胞内传递生长抑制信号,在细胞增殖控制中起重要作用。
And several design ways of making base-band radar signal, modulating arithmetic of several radar signals and the software design architecture of radar signal experimental system are given out.
给出了产生基带波形的几种设计方案以及几种雷达信号调制算法及软件实现设计图。
Then the modulated signal is retransmitted. It can produce false targets deceptive jamming or cover jamming according to the modulating parameters.
根据调制参数不同,这种干扰可以灵活产生假目标欺骗和覆盖干扰两种效果。
It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal.
它将有关低频脉冲信号对中频调幅后,利用被放大的调幅波电流对人体进行治疗。
The present invention also provides a method of modulating an effect of myostatin on a cell by contacting the cell with an agent that affects myostatin signal transduction in the cell.
本发明还提供了一种通过将细胞与影响肌生长抑制素在细胞中信号转导的药剂接触调节肌生长抑制素细胞效应的方法。
And this system is composed of some essential elements such as sensor, signal-modulating circuit, hardware of DAQ, general computer, relative software and so on.
DAQ式虚拟仪器自动测试系统是由传感器、信号调理、数据采集硬件、通用计算机、软件等基本要素构成。
The results show that the signal-modulating type synthetical nonlinear SVC controller can provide higher damping to the system, so as to enhance the transient stability of the AC and DC hybrid system.
研究表明,信号调制型SVC综合非线性控制器,能够给系统提供较强的阻尼,从而提高了整个交直流混合系统的暂态稳定性。
The target signal is produced by modulating and deferring radar transmission signal received.
采用将所接收的雷达发射信号加上调制延时的方法生成目标信号。
The phase signal of the surface profile is detected from the sinusoidal phase-modulating interference signal using a real-time phase detection circuit.
利用实时相位检测电路,从正弦相位调制干涉信号中解出被测量物体表面形貌的相位。
The phase signal of the surface profile is detected from the sinusoidal phase-modulating interference signal using a real-time phase detection circuit.
利用实时相位检测电路,从正弦相位调制干涉信号中解出被测量物体表面形貌的相位。
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