TFM是一种相关相移键控信号。
优先权最高的键控信号在所有其它的键之前出现。
The keyed signal with the highest priority appears in front of all the others.
提出了一种基于收缩映射的混沌键控信号解调方案，给出了系统误码性能的数学表达式。
In this paper, a coherent demodulation scheme for chaos shift keying signals is presented, and formula for bit error rate is given.
为了降低光网络单元的成本预算，我们对下行的光载波进行了上行传输开关键控信号的重调制。
We also realize wavelength remodulation for carrying upstream on-off keying (OOK) data to reduce the cost budget at the optical network unit.
虚拟无线电技术正在不断的蓬勃发展，该文提出了一种基于虚拟无线电思想的二进制差分相移键控信号软件解调算法。
The technology of virtual radio is developing rapidly, a new DPSK signal software demodulation algorithm is proposed based on virtual radio.
研究了基于变型蔡氏电路的二进制混沌键控信号的同步特性，并设计一种二进制混沌键控信号调制与相关解调的硬件实验系统。
Researching the 2csk synchronization characterize based on changed Chua's circuit, and designing a hardware experimental system of 2csk signals for modulation and coherent demodulation.
文章提出了一种基于相干混沌移位键控信号的卫星隐蔽通信方案，并建立了系统模型，然后采用离散基带信号分析了其隐蔽性能、抗干扰性能以及相关参数的选取。
A scheme of satellite covert communication based on the coherent chaos shift keying signal is proposed in this paper, then the whole system model is also constructed.
很多新车都装备了与点火开关相配的键控代码，或是运用特殊的雷达信号来发动汽车的远程控制系统。
Many newer model cars come equipped with high-tech keys coded to match ignition switches or remote systems that use specific radio signals to start a car.
在脉冲相位键控(PPK)再入遥测系统中，除了传输常规遥测信号外，还要传输特种遥测信号，即单次宽脉冲信号。
Telemetry signals, which are not only convention but also a special type-single wide-pulse ones, are transmitted by the pulse Phase Key (PPK) Reent rant Telemetry system.
文章提出了采用最小频移键控(M SK)技术与调频超短波无线电技术相结合传输信号的方法。
This paper puts forward the signals transmission method combining the MSK technique with the radio technique of frequency modulated ultra short waves.
系统采用移频键控（FSK）调制方式，对轴温数字信号进行处理并发射，上传给便携式模拟接车系统。
The system adopts FSK modulation way to carry out directly digital signal of axle tempratureand transmit to the receiving system of test train.
传输信号采用正交相移键控调制方式，以有效利用有限通信带宽。
Quadrature phase shift keying(QPSK) signaling is employed to make efficient use of the available bandwidth.
连续相位频移键控(CPFSK)信号广泛应用于便携式移动通信系统。
The Continuous Phase Frequency Shift Keying (CPFSK) signaling scheme has been widely used in mobile applications.
介绍了一种适用于二相相移键控(BPSK)扩频调制信号的数字式处理方法。
This paper proposes a novel digital IF processing method of BPSK signal.
设计出了二次调制系统：采用连续可变斜率增量调制（CV SD）实现模拟话音信号与数字编码的转换，采用二进制相对相移键控（2DPSK）作为数字调制方式。
A twice modulation is designed:, CVSD was adopted to realize conversion between analog and digital voice signals, 2DPSK was used as the digital modulation mode.
研究基于小波变换有效提取信号瞬变特性的功能，对数字调制移相键控(PSK)信号进行符号速率估计。
Studies the function of wavelet transform (WT) that can effectively distill the transient characteristics of digital signals to estimate the symbol rate of PSK signals.
研究了一种基于自适应滤波算法的振幅移位键控(ask)信号的方法。
A amplitude shift keying (ASK) demodulation method based on adaptive filtering was discussed in this paper.
其中硬件电路包括键控制模块、显示模块、输入信号整形模块以及单片机和CPLD主控模块。
Hardware circuit includes key control module, display module, plastic module of input signal, single chip computer control module and CPLD main control module.
文章给出了信道增益变化下利用蔡氏电路的混沌信号进行的包括信号调制和解调完整过程的混沌键控通信实验电路。
In this paper, an experimental CSK circuit using Chua s circuit with the whole modulation and demodulation process under changeable communication channel gain is presented.
分析了超宽带冲激无线电的脉位调制、通断键控调制和脉冲幅度调制的信号模型。
The ultra wideband (UWB) radio models have been introduced with pulse-position-modulation (PPM), on-off-keying (OOK) and pulse-amplitude-modulation (PAM).
本文研究了一种基于自适应算法的解调差分相移键控（DPSK）信号的方法。
This paper deal with the DPSK demodulation method based on the adaptive algorithm.
采用DDWS(直接数字合成)方法，产生了MFSK (m元频移键控)和OFDM(正交频分复用)两种水声通信信号。
And the method of DDWS (direct digital wave synthesis) is adopted to realize the signals of MFSK (multi-frequency shift keying) and OFDM (orthogonal frequency division multiplexing).
该方案利用频移键控频分复用（FSK FDM）技术进行声频副载波调制，通过光强度调制实现远程在线EDFA监控信息随主信号的传输。
In the scheme, FSK-FDM technique is used in subcarrier modulation, and the EDFA's supervisory information is transmitted by optical intensity modulation.
针对微弱二进制相移键控(BPSK)信号的解调问题，对基于混沌系统的解调方法进行了研究。
Concerning the problem of demodulating the weak Binary Phase Shift Keying (BPSK) signal, the demodulation method based on chaotic system was researched.
通信仿真平台的任务是对调幅、调频、单边带、二进制振幅键控、二进制频移键控、二进制相移键控、正交相移键控等七种通信信号的调制和解调进行建模和计算。
The target of the communication system flat is modeling and calculating to modulation and demodulation of seven kinds of signals:AM, FM, SSB, 2ASK, 2FSK, 2PSK, 2QPSK.
通信仿真平台的任务是对调幅、调频、单边带、二进制振幅键控、二进制频移键控、二进制相移键控、正交相移键控等七种通信信号的调制和解调进行建模和计算。
The target of the communication system flat is modeling and calculating to modulation and demodulation of seven kinds of signals:AM, FM, SSB, 2ASK, 2FSK, 2PSK, 2QPSK.
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