The differential coding is performed in the time domain, while the space-frequency coding is processed in the frequency domain to achieve the diversity ga.
该方法在时域进行差分编码，而在频域进行空频编码以获得分集增益。
There is same bases usage frequency in coding sequence between leading strand and lagging strand.
先导链与滞后链编码序列的碱基使用频率基本一致。
This paper presents a new weather alarm emitter adapted digital coding and phase-locked frequency synthesis techniques.
本文提出了一种新的气象报警系统，此系统采用数字编码和镇相频率合成技术。
A frequency domain technique is presented to be used in speech coding to improve the performance of low order linear prediction (LP) in modeling of formants of voiced speech.
讨论了一个用于语音编码的频域技术，用以在浊音语音共振峰模型方面改善低阶数线性预测(LP)的性能。
One of VQ image coding method used in the low frequency subband-the unbalanced tree-structured VQ is presented in this paper.
文章介绍一种图像低频子带编码的矢量量化方法—非对称树结构矢量量化。
Modulation of spatial frequency by means of multidimensional holographic modulating board can bring about transformation from object via frequency to image and implement pseudo-color coding.
通过多维全息调制板对空间频率进行调制，完成物-频-像的变换过程，可实现空间假彩色编码。
The Nyquist law is applied to all the conventional compression coding algorithms, which prescribes that the sampling rate must be at least as twice as the signal frequency.
在传统的压缩编码技术中，采样均遵循奈奎斯特定律，该定律规定采样速率要高于原信号频率的两倍。
Based on the signal characteristic of frequency agile and coding, the processing of range will be carry out in two kinds of methods.
根据信号的跳频和编码特性，距离的处理可以用两种方法实现。
The technique of wavelet transform has been applied and studied in the image coding field extensively because of its good feature of time-frequency and human visual system.
小波变换技术以其良好的空间—频率局部特性和与人眼视觉特性相符的变换机制，在图像编码领域得到了广泛的应用和研究。
The image damage by transform coefficients quantization in ID-DCT transform compression coding is analysed on frequency domain and space domain. Some useful results are obtained.
本文对一维DCT变换压缩编码中变换域系数二次量化引起的图象损伤进行了频域和空间域分析，得出了一些有用的结论。
This paper deals with a digital speech communicator of very low frequency and low bit digital communication based on software ratio, which USES the technique of QPSK and FEC coding.
本文论述了一种基于软件无线电的甚低频低码率语音数字岩层通信机，它采用了QPSK调制和FEC信道编码技术。
It spurs us to develop highly efficient coding, modulation and signal processing techniques to improve the wireless frequency spectrum efficiency.
这种挑战使得人们努力开发高效的编码、调制以及信号处理技术来提高无线频率的效率。
In the orthogonal wavelet transformation coding, it is to make use of wavelet frequency splitting that may deal with data, and then get the better result of compression.
利用正交小波变换进行小波分频特性分析处理，得到了较好的压缩结果。
The encoder also performs frequency extension coding.
该编码器还执行频率扩展编码。
The system uses the emitter to send ultra high frequency signals after coding with signal coder and the secondary superheterodyne mixing receiver to accept the moving target signals.
系统中发射器采用编码器编码后发送超高频信号，接收器采用二次混频型超外差式接收移动目标信号。
This laser can work as behaviors of single pulse, repetition frequency or continuous and also realize the coding of pulse frequency and wavelength tuning.
该激光器可以单脉冲、重频或连续方式输出，并可实现输出脉冲频率的编码及波长调谐。
The audio frequency file is built by the method of modeling and coding.
音频文件的产生通过建模和编码的方法实现。
Based on the overlapped symbols which can achieve coding constrain, it can be improved frequency efficiency and system performance.
通过自然的符号叠加形成了编码约束关系，不仅大幅度的提高了系统的频谱效率，而且有效的提高了系统性能。
The coding used to impress information on the wave can be a function of the frequency (the number of waves or cycles per second) or amplitude of the waves or cycles.
对载波中的信息进行压缩的编码方式可以是载波或周期的频率调制或振幅调制。
Traditionally, DSP only concerns in source coding as well as channel coding, but today, it begins to set foot in radio frequency modulation field.
信源编码，信道编码是DSP在通信信号处理中的传统经典应用，而如今DSP已深入射频调制部分。
Based on OOC code, this paper proposes a coding scheme of wireless optical CDMA by using prime frequency hopping.
以ooc编码为基础，利用素数跳频技术，提出一种三维无线光cdma编码方案。
To overcome the leakage of CIR, the frequency guard bands are reduced by using the polynomial cancellation coding(PCC) training symbols.
使用多项式相消编码（PCC）训练符号进行信道估计，利用其频谱陡降的特点减少保护边带宽度，进而降低CIR泄漏。
By the debugging, the coding of speech is realized; m sequence is produced. Moreover, the spread of signal frequency spectrum is realized.
通过调试实现了语音的编码、产生了m序列，并实现了信号频谱的扩展。
Based on the characters of long rang underwater acoustic channels and MFSK modulation, a new Frequency Group Coding (FGC) method is proposed in this paper.
本文针对远程水下信道和MFSK调制的特点，提出了一种新的频率分组编码(FGC)方法。
This paper describes the relationship between DCT high frequency coefficients of images and sampling schemes of multiple description coding(MDC).
分析了图像DCT高频系数与不同采样方式的多描述图像编码的关系，得出了二者之间存在相关性的结论。
Based on EQC coding, a 3-d wireless optical CDMA coding scheme using prime frequency hopping is proposed in the paper.
以EQC编码为基础，利用素数跳频技术，提出一种三维无线光cdma编码方案。
In order to offer the gist of goods searching, reasonable goods coding (according to the frequency of selling and clicking), searching rules and replacing flow have been designed.
为了提供商品替代的搜索依据，设计了合理的并能根据销售或点击情况动态变化的商品编码库、搜索规则及替代流程。
Since the traditional coding technology for image and video is using of DCT, the blocked and whole DCT technology in frequency domain was used in order to embed watermarking.
由于以前的图像和视频编码标准采用DCT编码，在变换域嵌入水印大多使用分块或整体DCT技术。
Since the traditional coding technology for image and video is using of DCT, the blocked and whole DCT technology in frequency domain was used in order to embed watermarking.
由于以前的图像和视频编码标准采用DCT编码，在变换域嵌入水印大多使用分块或整体DCT技术。
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