编码信号由碟形卫星天线接收。
编码信号可以包括软判决信号。
⒉研究了正交多相编码信号的设计方法;
Study the orthogonal design method of polyphase coded signals.
编码信号经过测井单芯电缆传输会产生严重畸变。
Manchester code will be distorted when it is transmitting though the cable.
雷达系统中,相位编码信号对多普勒频率非常敏感。
In the system of radar, Doppler frequency is very sensitive to the coding signal.
一旦编码信号改变,输出轴的角度位置也将跟着改变。
As the coded signal changes, the angular position of the shaft changes.
相位编码信号是在雷达中广泛使用的一种脉冲压缩波形。
Phase code signal is a kind of pulse compression waveform which is widely used in radar system.
包括对编码信号进行多级维特比解码的维特比解码技术。
Viterbi decoding techniques that include multi-stage Viterbi decoding of encoded signals.
解调电路将以调制定编码解调下来,即还原为编码信号。
Demodulation circuit demodulator will be transferred down the development of coding, that is, to restore the signal for the encoding.
相位编码信号具有较强的似噪声性和良好的低截获概率特性。
The phase code signals have relatively strong characteristic of noise similarity and good characteristic of LPI.
旁瓣抑制问题一直是相位编码信号处理中一个关键性的问题。
Sidelobe suppression has been a key issue during processing of the phase encoding signals.
本文主要讨论了二相编码信号的旁瓣抑制算法和多普勒补偿算法。
The sidelobe suppression and Doppler compensation algorithms for biphase coded signal are emphasized on in this paper.
本文提出了一类新的雷达脉冲压缩信号-二次伸缩二相编码信号。
A new type of radar compression waveform - 2nd Dilation Binary Phase-coded Signal is proposed.
巴克码信号是二相编码信号的一种,在PD雷达中得到了广泛应用。
Barker code signal, one of the two-phase code signal, is used widely in PD radar.
深空通信中,利用伪随机编码信号可实现低信噪比接收和多址通信。
In communication of deep space, the receiving of low signal-to-noise and multi-address communication can be realized with pseudo-random code signal.
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。
Liner frequency modulating signal, phase coded and frequency coded signal are detected and recognized from all kinds of signals.
多同时到达二相编码信号的参数估计是雷达和通信对抗等领域的典型问题。
The parameters estimation of multiple simultaneous binary phase-coded signals is the key problem in the filed of radar and communication countermeasure etc.
脉冲压缩;线性调频信号;相位编码信号;目标回波信号;ADS;
Pulse compression; Linear frequency modulated signal; Phase encoding signal; Echo signal; ADS;
目前,由于波长编码信号解调困难而造成系统成本过高,在普通领域难以接受。
At present, due to difficulties caused by wavelength coding signal demodulation, system costs are too high in general areas to accept.
波长编码信号解调是实现光纤光栅多参量、多点分布式传感网络的核心技术之一。
Wavelengthencoded signal demodulation is one of the key techniques to achieve fiber grating distributed sensing network.
相位编码信号是低截获概率雷达信号的主要形式之一,能够提高雷达的生存能力。
As the major type of signals of LPI radars, the phase-coded signals can enhance the radar survivability.
被高速伪随机码调制的扩频信号,其伪随机码是具有随机编码信号特征的周期信号。
The spread spectrum (SS) signal is modulated by high-rate pseudo noise code, and belongs to typically periodic signal.
因此,如何对光纤光栅的波长编码信号进行解调是实现光纤光栅传感技术应用的关键。
Therefore, the way of demodulating wavelength coding signal of FBG is the key of application of FBG sensing technology.
自愿参加巡逻的人员在过道和窄巷中利用手机屏幕发出的闪光以编码信号的方式进行交流。
Patrol volunteers would communicate down alleyways and narrow lanes via coded signals that they would flash from the lights of their mobile-phone screens.
回溯跟踪部件可以对所存储的跟踪比特进行写入、解码和跟踪,以便对编码信号进行解码。
The traceback element may write, decode, and trace stored trace bits to decode the encoded signal.
临界混沌状态的周期振子对噪声具有免疫力,而对微弱的正弦信号或相位编码信号比较敏感。
The periodic oscillators at critical state are immune to noise and have sensitive dependence on weak sine signals or phase-coded signals at the same time.
本文讨论了步进频率编码信号的模糊函数,提出了一种正负步进频率编码信号及其处理方法。
The ambiguity function of step frequency coded signal is discussed. An up-down step frequency coded signal waveform is designed with its processing method.
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。
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.
因此,若将重复周期参差调制方式融合到频率编码信号中,可使信号具备时-频调制双重随机性。
So, the modulation of irregular pulse repetition interval may be employed in FCP that the randomization of signal modulation would be obtained in both time and frequency domains.
对单频信号、线性调频信号、二相编码信号、四相编码信号进行了脉内特征分析,给出了仿真结果。
The in-pulse feature analysis is made on the signals with single-frequency, and those signals respectively being linearly frequency-modulated, phase coded. The simulation results are given.
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