modulation code的例句大全

And concatenated inner Block Code Modulation ( BCM ) can help the OWPM system to impulsive noise burst.

系统采用数字喷泉码作外码,块编码作内码,按块编码调制 ( BCM ) 映射到正交小波包调制时频平面.

互联网摘选

Phase Modulation and Demodulation complete source code can be directly used by the test.

相位调制解调完整的源代码可以直接使用的考验.

互联网摘选

This thesis expounds the particular process of the code and modulation design.

文中阐述了编码和调制设计的详细过程.

互联网摘选

Secondly, it introduces the frequency selection, EMC ( Electromagnetic Compatibility), the basic generation theory and modulation of the third civil signal ( L5 signal), including LS ranging code, Forward Error Correction, QPSK modulation and Neuman.

其次，介绍了其信号的频段选择、电磁兼容性及其调制和产生的基本原理，包括L5测距码、卷积码、QPSK调制以及Neuman。

互联网摘选

Trellis-Coded Modulation ( TCM) is an advanced combined coding and modulation technique evolved in recent years. In TCM, significant coding gains can be obtained without bandwidth expansion or reduction of transmission rate.

网格编码调制（TCM）是近年来提出的一种先进的组合编码调制技术，在不降低信息传输率、不扩展占用频带的前提下，它能获得可观的编码增益。

互联网摘选

Research on Self Anti-interference Barker Code Multiple Position Modulation

自扰抑制型巴克码多位置调制的研究

互联网摘选

The transmitting channel implements the voice recording, spectrum spreading and BPSK modulation while the receiving channel implements the BPSK demodulation, code dispreading and voice broadcasting.

该系统是双通道的，发送通道实现话音的录入、扩频和BPSK调制发送，接收通道实现话音的BPSK解调接收、解扩和播放。

互联网摘选

STC technology can divide into: Layered space-time coding ( LSTC), space-time trellis code modulation ( ST-TCM), Unitary space-time coding ( USTC), differential space-time coding ( DSTC).

空时编码分为：分层空时编码、空时格型编码和酉空时编码、差分空时编码。

互联网摘选

Research on Modeling and Simulation for Hydraulic Position System with Generalized Pulse Code Modulation Control

广义脉码调制液压位置控制系统的建模与仿真研究

互联网摘选

Taking the μ law Pulse Code Modulation for example, the principles of communication through M-LINK were studied, and the joint simulation flow was proposed.

以μ律PCM编码为例提出了一种以M-LINK接口为桥梁的联合仿真方法，给出了联合仿真的流程。

互联网摘选

Both Quadrature Amplitude Modulation ( QAM) and Low Density Parity Check Code ( LDPC) are widely used in such fields as wireless communication, wired television transmission and satellite communication.

正交幅度调制（QAM）和低密度奇偶校验码（LDPC）技术应用于很广泛的领域，如无线通信、有线电视传输、卫星通信等领域。

互联网摘选

In the area of aerospace telemetry, Pulse Code Modulation/ Frequency Modulation ( PCM/ FM) system is one of the main plans in strategic weapons and rockets because of its high noise resistance, high flexibility.

在航天遥测领域中，PCM/FM传输体制抗噪声性能强、灵活性高，是国内外战略武器和火箭等的主要遥测手段。

互联网摘选

This paper discussed the based theory of modulation method, demodulation method, the constitution of message source, technological form of signal and pseudo code position of the new-typed system.

详细的讨论了新型NAVTEX系统所采用的调制解调方式、信源的建立、信号的技术格式、伪距导航定位原理等基本的理论。

互联网摘选

as a new bandwidth-efficient coded modulation scheme, turbo trellis-coded-modulation ( ttcm) has recently received much attention in channel coding of digital communication systems due to its near capacity performance and high bandwidth-efficiency.

Turbo网格编码调制技术（TTCM）在数字通信系统中引起人们浓厚的兴趣，因为这种将编码和调制结合在一起的新技术不仅有高的差错纠正能力，而且还具有很高的带宽利用率。

互联网摘选

Pseudorandom code phase modulation CW fuze and performances analysis of counter reconnaissance Investigation decision is a choice or decision made by the scouter after analyzing the case.

伪码调相连续波引信及其抗侦察性能分析侦察决策是侦察者通过对案件进行分析后作出的侦察选择或者决定。

互联网摘选

This method plays an important role in the detection of communication signal such as multi-frequency modulation signal and time-frequency code signal.

它可以把多个正弦信号相干累加到一条谱线上，从而可以在很低信噪比下有效检测信号，在多频率调制和时频二维编码等通信信号检测上有重要应用价值。

互联网摘选

the algorithm can correctly identify the signal modulation within a certain range of snr and code rate.

该算法可以在一定的信噪比和码速率范围内实现信号调制方式的正确识别。

互联网摘选

fluid pulse code modulation ( pcm) and pulse-width modulation ( pwm), owing to their structural simplicity, operational reliability and strong anti-interference capability, have become a choice of priority in the direct control of hydraulic or pneumatic pressure systems by computers.

流体脉码调制（PCM）与脉宽调制（PWM）数字控制技术，因具有结构简单、工作可靠和抗干扰能力强等优点，已成为计算机直接控制液压或气压系统的重要选择方式。

互联网摘选

in chapter four, we tried to simulate the performance of the complementary code keying ( cck) modulation in awgn and rayleigh fading channels and compared the theoretical performance with the simulated one.

第四章对CCK调制在AWGN信道和瑞利衰落信道中的性能进行了仿真，并与理论性能进行了比较。

互联网摘选

under the preset ber requirement, the adaptive design criteria of trellis code quadrature amplitude modulation ( qam) are achieved.

在满足系统预设可靠性要求下，获得自适应格形编码正交幅度调制（QAM）设计准则。

互联网摘选