这种光电检测器采用了调制光和4脉冲同步解调技术，提高了光电检测的可靠性和灵敏度。
This detector has adopted modulated light and 4 pulse synchronous demodulating technique. So the detecting reliability and sensitivity are improved greatly.
实验的结果表明：这种混合序列的产生是合理的，而且很好的保持了混沌序列的良好特性。实验表明接收这种同步解调的方法也是有效的。
As a result, the mixed chaos is reasonable and have kept the good characters of the sequence, and the way to release the information is effective.
经过限带滤波后的QDPS K信号的码元波形可分为稳定区与过渡区，根据这一特点可以利用DFT方法来实现信号的解调和位同步。
After a bandpass filter, QDPSK signal's symbol can be divided into steady section and transition section, so the demodulation and synchronization for the signal can be realized with DFT.
该模块解决了对差分信号“调制”、“解调”问题，实现了数据和电源在同轴电缆上的同步传输。
It solves the problem of modulate and demodulation of differential signal and achieve data and power signal communication in coaxial-cable.
时钟同步和载波同步是接收机的关键问题，传统模拟解调可靠性、稳定性差，调试复杂。
Time synchronization and carrier synchronization are cruxes of receiver. The reliability and stability of traditional analog demodulation are bad, and adjustment is complex.
如果设置为1，调制解调器将接收数据并存入缓冲区，直到单元同步。
If set to 1, the modem will accept data and buffer it until the unit is synchronized.
软件无线电接收机是否能正确的解调接收信号，样值同步是需要解决的基本问题之一，其好坏将直接影响系统性能。
Sample synchronization is a basic problem whether Software Radio Receiver systems can demodulate the received signal correctly, it also affects the performance of the system.
为了从接收到的PCM码中还原出原始信号，阐述了一种由硬件实现帧同步，由串并转换器完成PCM码解调器的高速PCM码解调器电路。
This paper presents a high speed PCM demodulation circuit through which the serial parallel converter plays a role of demodulating and the hardware realizes frame synchronization.
重点研究了基于离散短时傅里叶变换解调2FSK信号的方法，分析了几种码元同步算法和码元判决算法。
Secondly, a DSTFT(Discrete Short Time Fourier Transform )-based demodulation method for the 2FSK signal is studied and algorithms for symbol synchronization and symbol decision are analysed.
本文设计并实现了基带数据处理模块，扩频处理模块，中频调制解调模块，实现了AGC、同步、均衡等方面的保障。
The paper designs and implements the baseband processing module, the spread spectrum processing module, the IF modulation and demodulation, AGC, synchronization, equalization, etc.
CD MA系统是一个全同步系统，为了有效解调空中信号，需合理设置搜索窗口。
CDMA system is a full synchronous system. In order effectively to demodulate the signal in the air, it is required to set the searching window.
定义如果远端与主站不同步调制解调器是否接收数据。
Defines if the modem will accept data if the remote has become unsynchronized from the Master.
符号同步是要确定OF DM符号的起始位置，从而进行正确的解调。
Symbol synchronization is used to confirm OFDM symbol's initiative position for accurate demodulation.
传统的数字信号解调方法存在着载波恢复、符号同步等问题，实现起来较为复杂。
The traditional digital signal demodulation method that realizes more complex has the problems of carrier recovery, symbol synchronization and so on.
在接收端解调过程中，该频率同步误差会引入一定的相位误差，进而影响下一步的成像处理。
Phase errors is introduced in echo demodulation process because of the frequency synchronization error, and then, the final focus result will be deteriorated.
扩频通信系统中，保证本地产生的PN序列与接收信号中的PN序列完全同步，是正确解调信息的关键点。
In the system of spread-spectrum communication, the essential point of demodulating information is to ensure the synchronism of local PN sequence and PN sequence of received signals.
载波同步是PS K信号相干解调中的一项关键技术，它直接关系到解调的指标。
Carrier synchronization is a key technique in the coherent -demodulation of PSK signals and it is directly related to the specification of demodulation.
文章提出了一种ADSL系统中基于离散多音调制解调结构的时钟同步方法。
A clock synchronization method used in ADSL systems based on Discrete Multitone(DMT) is presented.
符号同步是实现PPM正确解调的关键技术。
Symbol synchronization for PPM is necessary for accurate demodulation.
重点描述了捕获、同步以及补偿码键控（CCK）解调方法。
The baseband processor includes synchronization, acquisition, and complementary code keying (CCK) demodulation.
为了实现GMSK信号解调，接收机中dsp实现了调制信号的误差频谱估计、位同步恢复及译码。
To demodulate GMSK signal, DSP is used in receiver to achieve error spectrum estimation, bit synchronization recovery and decode.
本文通过对数字同步技术的研究，提出了一种新的OQPS K全数字解调器。
Based on the study of digital synchronization techniques, this paper proposes a new all-digital demodulator for OQPSK.
着重介绍了扩频地址码的选择及实现、同步方式和解调方法等。
It is emphasized how to select the spread spectrum access code, and how to realize synchronization and modulation etc.
在中低速散射通信中，调制解调器的位同步信号通常从含有同步信息的包络中提取。
In the troposcatter communication at low rate or medium rate, a bit synchronization used by modem is usually extracted from the envelope that contains synchronization information.
同时，利用同步过程中得到的抑制了干扰和噪声的模板也能大大提高解调的性能。
Then the aggregated segment is reused as the demodulation template which significantly improves the BER performance.
传统的AM调幅信号解调方法是同步检波和包络检波法。
Traditional way of AM signal demodulation is envelope detector or synchronism detector.
实测了载波同步误差对解调器性能的影响。
The effect of the carrier phase error on the demodulator is actually measured.
在DS - CD MA接收机中，正确解调的首要条件是实现本地扩频码与发送扩频码的码片同步。
Chip timing synchronization between local spread sequence and transmitted spread sequence is critical. in DS-CDMA receiver.
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。
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.
对于非相干解调本文提出了一种快速位同步算法。
A rapid symbol timing scheme is proposed in this paper based on noncoherent demodulation.
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