The timing-error estimation based on waveform detection can be used in PSK/QAM.
基于波形检测的定时误差估计算法适用于PSK/QAM调制方式。
For example, the register may include ramp output values for use in an 8-psk mode.
例如,寄存器可包括用在8 - PS K模式下的斜坡输出值。
As the name of the new mode says, PSK (phase shift keying) modulates the carrier phase.
正如这种新操作模式的名字所指的,PSK(相移键控)调制载波的相位。
Several demodulation schemes for split phase coded PSK signals are described in this paper.
本文叙述了几种分相码移相信号的解调方案。
The paper uses MATLAB to simulate ASK, FSK, PSK modulation of digital signal and spectrum analysis.
运用MATLAB语言模拟实现了数字信号的ASK、FSK、PSK调制与频谱分析。
Based on mathematical model of PSK modulation, the structure of an all digital PSK modem is proposed.
提出了一种全数字PS K调制解调器的结构模型。
Specifically, one implementation calls for transmission in alternating GMSK-8-PSK schemes in different slots.
特别的是,有一种实现方案要求在不同的时隙中以GMSK和8 - PS K方案轮流进行发送。
Compared to current phase shift keying (PSK) modulation by a code, there is a further modulation by a sub-carrier.
与当前通过编码的相移键控(PSK)调制相对,还存在另外的通过子载波的调制。
Still further, a mode bit may be transmitted to indicate the mode of operation for the next slot, e. g., 8-psk or GMSK mode.
更进一步,可以传送模式比特,它用来指示下一个时隙的工作模式,如8 - PS K模式或GMSK模式。
However, after the inter-slot silent period, the ramp output signal during the 8 - PSK mode does not track the ramp input signal.
然而,在时隙间隔静默期间之后,8-PS K模式下的斜坡输出信号不跟随斜坡输入信号。
To estimate the parameters of PSK signals, the symbol rate estimation of PSK signals and the hardware implementation were researched.
针对相位编码(PSK)信号的参数估计问题,研究了PSK信号的码速率估计算法并将其硬件实现。
Basing on the properties of binary digital PSK and exclusive-OR gate, this paper gives a quite simple exclusive-OR gate for binary PSK.
本文结合二进制数字PS K信号和异或门的特点,组成了一个十分简单的异或门二进制psk。
The complex sphere decoding has lower complexity compared with real sphere decoding for space-frequency block codes with PSK modulation.
对于PS K调制下的空频块码,复数球形译码相对实数球形译码有较低的复杂度。
The system adopts AGC circuit, uses DDS technology to realize such functions as frequency modulation, amplitude modulation, ASK, PSK, etc.
系统采用自动增益控制电路,并运用DDS技术实现调频、调幅,ASK、PSK等功能。
A new approach to realizing the analog signal source for digital phase modulation, or the approach to storing PSK signal waves, is described.
本文介绍了一种实现数字调相系统模拟信号源的新方法,即PS K信号波形存贮法。
The first segment 310 of the TPS data block (bit so) is an initialization bit for a differential binary phase shift keying (2-PSK) modulation.
TPS数据块的第一段310(比特S0)为差分二进制相移键控调变的初始比特。
Furthermore, a gain value may be sent which may be used to control a variable gain amplifier (VGA) within the transceiver during 8-PSK operation.
而且,可以发送增益值,它可用来控制在8-PSK操作期间的收发信机中的可变增益放大器(VGA)。
Still referring to FIG. 4, a ramp generator 233 may generate ramp signals to be provided as the ramp output, e. g. for an 8-PSK mode of operation.
仍参考图4,斜坡生成器233可产生斜坡信号,以便被提供作为斜坡输出信号,例如用于8-PSK操作模式。
Carrier synchronization is a key technique in the coherent -demodulation of PSK signals and it is directly related to the specification of demodulation.
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。
As an example, we calculate the Euclidean distance spectrum of error paths under viterbi decoding and BER upper bound for four-state Trellis-coded 8 PSK.
以四状态网格编码8PS K系统为例,计算了维特比译码时错误路径的欧氏距离谱及由此得到的误比特率上限。
Polysaccharide Krestin (PSK), a kind of protein-bound polysaccharide extracted from Coriolus Versicolor, is used as a immune modulator in anti-tumor therapy.
云芝多糖是一种从云芝子实体提取的蛋白结合多糖,已被广泛用作肿瘤治疗的免疫佐剂。
Polysaccharide Krestin (PSK), a kind of protein-bound polysaccharide extracted from Coriolus Versicolor, is used as an immune modulator in anti-tumor therapy.
云芝多糖是一种从云芝子实体提取的蛋白结合多糖,已被广泛用作肿瘤治疗的免疫佐剂。
We could never hear this before on AO-16 when it was transmitting its normal PSK signal, since we didn't hear the effect of fading on the uplink in this mode.
在AO - 16以前正常传输PS K信号时我们可能永远听不到像这样的情况,因为我们听不到在PS K模式下上行信号的衰落影响。
Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM).
实现信号的调制解调功能,包括各类调制如ask(调幅),PSK(调相),FSK(调频)。
In this paper, according to the thinking of software radio, a PSK soft-modulation and soft-demodulation system based on audio-card and DSP is studied and implemented.
本文基于软件无线电的思想,研究并实现了以 多媒体计算机声卡和DSP为基本 硬件平台的PSK信号的软件调制解调。
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。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化,而采用宽带扩频调制则可极大改善系统的性能。
How to get the rules of phase-shifting from the coherent integration of single pulse is first introduced, on the basis of which an approach to restoring PSK sequence is derived.
通过对PS K信号相位特性的分析,采用相关积累的方法充分利用单个脉冲所提供的相位跳变信息,成功提取出PS K信号相位跳变规律,在此基础上进行了相位编码序列的恢复。
How to get the rules of phase-shifting from the coherent integration of single pulse is first introduced, on the basis of which an approach to restoring PSK sequence is derived.
通过对PS K信号相位特性的分析,采用相关积累的方法充分利用单个脉冲所提供的相位跳变信息,成功提取出PS K信号相位跳变规律,在此基础上进行了相位编码序列的恢复。
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