spread spectrum transmission
英 [spred ˈspektrəm trænzˈmɪʃn]
美 [spred ˈspektrəm trænzˈmɪʃn]
网络 扩频传输; 广谱传输技术
双语例句
- Deriving from direct sequence spread spectrum, efficient spread spectrum can solve the inconsistency in transmission bandwidth and process gain, and improve the anti-jamming ability of the system.
高效扩频技术是直接序列扩频衍生而来的，能有效解决传输带宽与处理增益之间的矛盾，提高系统的抗干扰能力，受到了越来越多的重视。 - The Application of Microwave Spread Spectrum Technique in Military Data Transmission
微波DS扩频技术在军事通信中的应用 - Because of limited frequency band of channel, spread spectrum and MFSK modulations can not resolve that high speed transmission is in contradiction with limited frequency band.
当进行高速水下通信时，由于水下信道的频带有限，扩频和MFSK调制方式无法解决高速率信息传输和可利用信道频带窄的矛盾。 - Study on the Key Techniques of Spread Spectrum Transmission about Multimedia
多媒体扩频传输中关键技术研究 - The development of spread spectrum digital transmission system on 10 kV power line
110kV线路型避雷器10kV扩频数字传输系统的研制 - Based on the experience in building WLAN in a mountain area county, the author analyses the direct sequence spread spectrum in WLAN transmission technique, the composition of WLAN and their applications, as well as the standard of WLAN.
本文基于在一个山区县建成无线局域网的实践，研究无线局域网传输技术当中的直接序列扩频、无线局域网系统的组成和各种应用，并介绍无线局域网的标准。 - Wireless LAN technology mainly uses Spread Spectrum communications technology, which greatly improves the system antijamming capabilities and data transmission rate, laying a good foundation for its applications in the industrial field.
无线局域网技术大多采用扩频通信技术，大大提高了系统的抗干扰能力和数据传输率，为其在工业领域的应用奠定了良好的基础。 - A new voice transmission technique over low voltage powerline is presented. The vocoder, spread spectrum carrier communication technology and voice transmission system structure are described.
介绍一种新的低压电力线语音传输技术，内容包括声码器、扩频载波通信技术及语音传输系统结构。 - In this thesis, the principle of M-ary orthogonal spread spectrum and the optimal receiver model of M-ary orthogonal spread spectrum signal are studied firstly. The concept and principle of variable rate transmission in CODIT is discussed.
本文首先研究了多进制正交码扩频的原理及多进制正交码扩频信号的最佳接收机模型，讨论了CODIT工程中可变速率传输的概念和原理。 - Compared with the traditional system of material flow management, the material flow management system based on wireless spread spectrum has the advantages such as: no wire connection, easy expanding and mobile transmission of real time data.
与传统的基于有线网的物流管理系统相比较，基于无线扩频技术的物流管理系统不需布线、易于扩张而且可以提供移动中实时传输数据的功能。 - A new approach combining wavelet-based Vector Quantization ( VQ) compression coding with concatenated coding, spread spectrum modulation and anti-jamming technology is proposed to mitigate effect of fading channel and interference for the medical image transmission.
本论文提出了通过小波矢量量化压缩编码、级联编码、扩频调制和抗干扰技术四者相结合的方法，抑制衰落信道和干扰对医学图像传输的影响，确保传输的可靠性。 - Spread spectrum transmission and microcellular architecture technique in the radio local area network
无线网络中的扩频传输和微蜂房结构技术 - Some elementary problems on spread spectrum transmission system
扩频传输体制的几个基本问题 - Through analyzing the working conditions of bucket wheel stacker and reclaimer in the coal handling system, this article put forward to use spread spectrum communication technology as radio transmission, and use monolithic processor as control kernel, so as to realize radio data acquisition.
通过分析输煤系统斗轮机工况，提出利用扩频通信技术作无线传输，用单片机作控制核心从而实现无线数据采集。 - This paper puts forward a technology of Multi-amplitude spread spectrum. By means of the good period correlation of pseudorandom code and using the synchronism technology, the data transmission ability of the spread spectrum communication system is effectively improved.
提出了一种多幅扩频技术，利用伪随机码良好的周期互相关性，采用同步技术，有效地提高了扩频通信系统数据传输能力。 - Study on RF Front-end for Infrared Video Wireless Spread Spectrum Transmission System
红外图像无线扩频传输射频前端的研制 - The Parallel Combinatory Spread Spectrum Communication System ( PC/ SS) with the anti-jamming, information transmission with higher efficiency and counter reconnaissance characteristics, is an one of the correspondence methods to have the foreground to develop.
并行组合扩频通信具有抗干扰、频带利用率极高、信息传输能力强和抗侦破等显著特点，是具有发展前景的通信方式之一。 - The Design of Direct Sequence Spread Spectrum Communication System for Data Transmission
直接序列扩频数据通信系统的设计 - Hybrid spread spectrum, rake and multiple data compressing technology are used to realize air to ground mass high-speed, anti-jamming multiple data transmission.
采用复合编码扩频技术、隐分集技术以及多媒体数据压缩技术，实现了空地大容量高速、抗干扰多媒体数据传输。 - The application of M_ary spread spectrum makes it easy to acquire high transmission rate.
由于采用了M元扩频，在带限信道中获得了较高的数据传输速率； - Besides, traditional modes, such as AM and FM without spread spectrum, cannot meet requirements of hydrologic data transmission in the adverse circumstances during the high-water or tide season, since those modes are easily interfered and have high Bit Error Rate.
另外，传统的调幅、调频等通信方式亦存在易受干扰、误码率高等缺点，在信道环境恶劣的汛期往往不能满足水文数据传输的要求。 - Spread spectrum and MFSK modulation is primary modulation modes in beginning of underwater communication. They suit underwater communication of middle-long distance with transmission rate of several bps and several hundred bps.
在水下通信的初期，扩频和多进制频率调制（MFSK）是主要的调制方式，很适合几比特每秒和几百比特每秒的低、中速中远距离水下通信。 - Based on the study of hybrid spread spectrum technology which consists of M-ary direct sequence spread spectrum and frequency hopping, the design and implementation of the key modules of the baseband transmission unit is presented.
本文在对多进制直接序列扩频与跳频相结合的混合扩频技术进行研究的基础上，设计并实现了基带发射单元中的关键技术模块。 - Ultra Wide Band ( UWB) mechanism is to use the pulsing modulation to form spread spectrum signals for information transmission.
超宽带机理是利用脉冲冲击调制，形成扩频超宽带信号进行信息传输。 - After anglicizing the principle of the spread spectrum carrier communication technique, it decided to adopt the spread spectrum technique to overcome the blemish that resulted in the power line as the transmission medium.
本文通过分析扩频载波通信技术原理，决定采用扩频技术的方法，以克服电力线作为传输媒介的缺陷。 - Communication modulation technique and spread spectrum technique have been rapidly developed to accommodate to the increasingly complicated electromagnetic environment, to ensure the correct transmission of information, to utilize the limited frequency resource in reason, consequently to challenge the communication countermeasure field.
为了适应日益复杂的空间电磁环境、保证信息的正常传输、合理利用有限的频带资源，通信调制技术和扩频技术迅速发展，从而使得通信对抗领域面临挑战。 - In Direct Sequence Spread Spectrum ( DSSS) signal, a symbol information is multiplied with a pseudo-random sequence to spread the spectrum, so when the channel capacity is fixed, the Signal-to-Noise Ratio ( SNR) tolerance of the transmission signal can be reduced.
在直接序列扩频（DSSS）信号中，一个符号信息与一个伪随机序列相乘来扩展频谱，使之在信道容量一定时，降低可传输信号的信噪比容限。 - With the development of space technology, the use of spread spectrum signal for measurement and data transmission gradually become the main means of aerospace measurement and control.
随着航天技术的发展，采用扩频信号进行测控和数据传输逐步成为航天测控的主要手段。 - Wavelet transform technology has broad prospects in the communication system. Wavelet function provides a series of orthogonal basis which are very suitable for the signal waveform design, spread spectrum waveform design in the communication system, the division of orthogonal sub-channel in multi-carriers transmission system.
小波函数提供的一系列正交基非常适合通信系统中的信号波形设计、扩频特征波形设计，多载波传输系统的正交子信道划分等，在通信系统中具有广阔的前景。 - Spread spectrum communication is an excellent system, the transmission of multimedia will be necessary in the development of mobile communication. The multimedia spread spectrum transmission will be realized in the third generation mobile communication system.
扩频通信技术是一种优良的体制，多媒体传输是信息发展的要求，在第三代移动通信系统中将实现多媒体扩频通信。