本文主要分析用正交信号实现单边带混频电路,并阐述其优越性。
This paper analyzed chiefly the circuit of single side-band mixing by use of orthographic signal and described advantages of the mixing circuit.
本文主要是在基于正交信号的新雷达体制下,研究其关键的空域处理技术。
The study is about key array antenna process theory and technology of the new system radar based on orthogonal signal.
该方案实现电路简单、成本低,并且能快速地获取优质的正交信号,具有非常好的实用价值。
The circuit of this plan was simple and cheap. Moreover, it could fast get high quality quadrature signal and have good practical value.
正交相干检波是雷达、声纳和通信等系统中为数字信号处理提供高质量的正交信号的关键技术之一。
The coherent quadrature detector is one of the key technologies for providing high quality quadrature signal for digital signal processing in radar, sonar, communication and other systems.
描述了基于AT89C52单片机、锁相环和开关电容滤波器的正交信号发生器的设计和实现方法。
The design and implementation of quadrature waveform generator are described based on the AT89C52, phase-locked loop(PLL) and switched-capacitor filter(SCF).
在此基础上,利用弹性主轴原理,推导了内外框弹性主轴偏转产生正交信号与敏感信号的比值表达式。
On the basis, the ratio of quadrature error and sense signal are induced when the the principal axes of elasticity of outer-frame and inner-frame rotates a little Angle separately.
本文阐述了这一广义正交新理论,给出了相应的广义正交信号设计和理论界,并讨论了在QS - CD MA通信系统中的应用。
In this paper, the generalized orthogonal theory is presented, the corresponding signal designs, theoretical bounds, and the related applications in QS-CDMA communications systems are discussed.
研究结果表明,原始光谱经均值中心化、一阶微分和正交信号校正预处理后,运用多元线性回归法所建葡萄糖和果糖定量分析模型最优。
The MLR mathematical model that established with orthogonal signal correction plus first derivative and mean centre preprocessed spectra shows the best result for glucose and fructose.
本文详细的论述了依据正交相位检测法提取多普勒频移信号的方法,并对各部分实现电路作一简要的介绍。
This paper has discussed the way of probing Doppler shift signal based on crossed phase detecting method in detail and introduced each function circuits briefly.
接着,探讨软件无线电中的多速率信号处理技术,重点分析软件无线电中的带通信号正交抽取结构;
Then, it discusses multi rate digital signal process (MRDSP) technology in SDR, emphasis is put on the analysis of band pass signal orthogonal sampling structure.
超宽带信号接收技术是高码率接收系统的关键技术之一,正交接收机是实现超宽带信号接收的典型方案。
The receive technology of Ultra-Wide Band (UWB) signal is one of the key technologies of high-speed receiver. Quadrature receiver is typical scheme in high- speed receiver.
利用双正交小波基将齿轮的故障振动信号分解到时频域,并提取出齿轮的故障特征。
This paper mainly introduces that the fault vibrating signal of gears was decomposed into time-frequency domains by double-orthogonal wavelet analysis and the fault feature of gears was picked up.
作者提出低频时码信号的正交扫描解调技术,从理论上分析了正交扫描原理和实现方法,并进行了仿真测试;
The orthogonal sampling demodulating technique for low frequency time-code signal is introduced. Based on the theoretical analysis about its principle and implement method, The simulation is tested.
本文给出了直接序列扩频信号正交分路周期相关检测算法的性能分析。
The performance analysis of quadrature correlation detection algorithm for DS-SS signal is presented.
利用该矩阵良好的正交性发射的信号,在接受端可以通过简单的最大似然解码算法来准确还原。
By the orthogonality of symbols, a simple maximum likelihood-decoding algorithm is used to recover them at the receiver accurately.
采用正交天线,不论信号来自任何方向,它接收到的都是最大值。
Because of using orthogonal antennas, it receives signal which from all-round is strongest intensity.
对MS K信号,分析了正交解调和差分解调算法。
Analyze the quadrature demodulation and difference demodulation algorithm of MSK signal.
正交偶极子阵列声波测井仪中前端信号采集和处理单元大量使用了VCVS有源滤波器。
VCVS active filters are greatly used in front signal acquisition and processing unit of the Cross Multipole Array Acousticlog tool.
两个初相不同的相参信号由两个在空间上正交的线极化天线单元辐射,将形成椭圆极化波。
Two coherent signals with different primary phases radiated by two orthogonal in-space linear polarization antenna elements form an elliptical polarization wave.
本文定义了一类用于实值离散信号处理的实值离散正交变换。
A class of real-valued discrete transforms for real discrete signal processing is DE - fined.
非相干接收系统中对正交编码数据信号进行解码的方法及装置。
A method and apparatus for decoding an orthogonally encoded data signal in a noncoherent receiver system.
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.
正交变换技术已在数字信号的各个领域中得到了多方面的应用,尤其在数据压缩压缩领域。
Quartered transform technique has been applied in many fields of digital signal especially in the field of data compression.
本文详细说明了应用GH M正交多小波对地震信号进行去噪处理的原理,并给出实际例子说明该方法的有效性。
The paper elaborated on the principle of noise suppression processing by using GHM orthogonal multi wavelets for seismic signal and gave real examples to show the effectiveness of the method.
提出了一种基于分割传输序列(PTS)改善正交频分复用信号峰值平均功率比(PAPR)的优化算法。
An optimal algorithm based on partial transmit sequences (PTS) for reducing the peak to average power ratio (PAPR) of orthogonal frequency division multiplexing signal is presented.
为满足高性能信号处理技术要求,需要直接对中频信号进行采样来得到正交双路信号。
To satisfy the requirement of high performance signal processing technique, it is demanded to use the direct sampling of IF signal to get quadrature signals.
正交镜像滤波器组是多抽率数字信号处理领域研究的问题。
Quadrature mirror filter Banks is a project which belongs to multi-sample rate digital signal process.
正交采样技术可以保留信号复包络的幅度、相位等信息,因此在信号处理领域中有着广泛的应用。
Quadrature sampling technique is widely used in the field of signal processing since it can reserve all information about the complex envelope of IF signal.
正交采样技术可以保留信号复包络的幅度、相位等信息,因此在信号处理领域中有着广泛的应用。
Quadrature sampling technique is widely used in the field of signal processing since it can reserve all information about the complex envelope of IF signal.
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