FSK/PSK COSTAS,FSK/PSK COSTAS,在线英语词典,英文翻译,专业英语

1) FSK/PSK COSTAS

FSK/PSK COSTAS

2) FSK/PSK

FSK/PSK

Some methods and algorithms were studied for FSK/PSK radar signal sidelobe suppression in this paper.

本文围绕国家自然科学基金项目“强探测强识别传感器新型复合调制信号产生及处理”展开,研究了几种FSK/PSK复合调制雷达信号旁瓣压缩、抑制的方法和算法。

This study is supposed that the FSK/PSK signal is applied to ground-based searching rad.

研究的主要目的是对新型的复合调制FSK/PSK信号的雷达视频回波信号进行建模与仿真,为以后对FSK/PSK信号及其模拟器的进一步研究打下基础。

3) Costas

科斯塔斯环

In order to acquire and track the spread spectrum signal rapidly,the changing band-width tracking strategy is adopted,which uses the quadrature frequency discriminator,Cross Product and Costas together to keep the carrier loop.

为了能够快速地对扩频信号进行捕获跟踪,采用了四相鉴频器、符号叉积频率跟踪算法和科斯塔斯环混合进行载波跟踪的变带宽跟踪策略。

4) Costas

Costas

Simulated Annealing Algorithm for Motion Compensation of Costas Frequency hopped Radar;

Costas跳频雷达运动补偿中的模拟退火算法

Emphasis is laid on the functions,theories,algorithms and corresponding circuit designs of the three modules of COSTAS module,code tracking module and frame synchronization related to signal processing in GPS.

着重讨论了GPS接收机中信号处理部分的COSTAS、码跟踪、帧同步生成电路三大模块的功能任务、原理、算法及其相应的电路设计。

According to Weawa method,COSTAS-PLL,dual linear transform,a new SSB PLL demodulator based on SDR is brought out.

根据韦瓦(W eawa)单边带调制解调法、COSTAS锁相环及双线性变换,提出基于软件无线电的单边带锁相解调器。

5) COSTAS

科思塔斯（COSTAS）环

6) Costas loop

科斯塔斯环

Iterative phase synchronization algorithm based on modified Costas loop for LDPC coded systems;

改进科斯塔斯环的LDPC码相位同步算法

The computer simulation is adopted to assess the effects of noise on the quality of the PLL s phase estimation, then the qualities of the squaring loop and the Costas loop in the AWGN are analyzed.

采用计算机仿真的方法 ,评估加性高斯白噪声 (AWGN)对锁相环 (PLL)相位估计性能的影响 ,进而对AWGN下两种在工程中大量使用的非面向判决环———平方环和科斯塔斯 (Costas)环的性能情况进行仿真对比分析 ,得出在噪声对相位估计值的影响方面 ,平方环和科斯塔斯环的性能相似。

Costas loop is widely used to synchronize carrier in sup-pressed carrier communication system.

科斯塔斯环(Costas Loop)被广泛应用于抑制载波通信系统的载波同步。

参考词条

Costas loop Costas loop Costas sequences HFM Costas COSTAS loop costas array Costas signal Costas loop Costas loop Digital Costas Loop digital Costas loop Costas frequency hopping signals four-phase Costas Loop Digital Costas loop Costas orthogonal sequence Digital costas loop design digital costas loop 激光读取头

补充资料：云芝多糖K,云芝胞内多糖,蛋白多糖体PSK

药物名称：蛋白多糖体PSK

英文名：Krestin

别名：云芝多糖K,云芝胞内多糖,蛋白多糖体PSK
作用与特点：为较好的抗肿瘤免疫剂,并能增强细胞免疫功能.用于辅助治疗消化道肉瘤,肺癌及乳腺癌等肿瘤,有改善症状的效果.
用法用量：口服:3g,1/d,连服数月,剂量可视症状增减.
规格：片剂:1g.

类别：免疫增强剂（免疫反应调节剂）

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

首页 \| 翻译 \| 影视 \| 论坛 \| 索引 Costas code COSTAS array

1) FSK/PSK COSTAS FSK/PSK COSTAS 2) FSK/PSK FSK/PSK 1. Some methods and algorithms were studied for FSK/PSK radar signal sidelobe suppression in this paper. 本文围绕国家自然科学基金项目“强探测强识别传感器新型复合调制信号产生及处理”展开,研究了几种FSK/PSK复合调制雷达信号旁瓣压缩、抑制的方法和算法。 2. This study is supposed that the FSK/PSK signal is applied to ground-based searching rad. 研究的主要目的是对新型的复合调制FSK/PSK信号的雷达视频回波信号进行建模与仿真,为以后对FSK/PSK信号及其模拟器的进一步研究打下基础。 3) Costas 科斯塔斯环 1. In order to acquire and track the spread spectrum signal rapidly,the changing band-width tracking strategy is adopted,which uses the quadrature frequency discriminator,Cross Product and Costas together to keep the carrier loop. 为了能够快速地对扩频信号进行捕获跟踪,采用了四相鉴频器、符号叉积频率跟踪算法和科斯塔斯环混合进行载波跟踪的变带宽跟踪策略。 4) Costas Costas 1. Simulated Annealing Algorithm for Motion Compensation of Costas Frequency hopped Radar; Costas跳频雷达运动补偿中的模拟退火算法 2. Emphasis is laid on the functions,theories,algorithms and corresponding circuit designs of the three modules of COSTAS module,code tracking module and frame synchronization related to signal processing in GPS. 着重讨论了GPS接收机中信号处理部分的COSTAS、码跟踪、帧同步生成电路三大模块的功能任务、原理、算法及其相应的电路设计。 3. According to Weawa method,COSTAS-PLL,dual linear transform,a new SSB PLL demodulator based on SDR is brought out. 根据韦瓦(W eawa)单边带调制解调法、COSTAS锁相环及双线性变换,提出基于软件无线电的单边带锁相解调器。 5) COSTAS 科思塔斯（COSTAS）环 6) Costas loop 科斯塔斯环 1. Iterative phase synchronization algorithm based on modified Costas loop for LDPC coded systems; 改进科斯塔斯环的LDPC码相位同步算法 2. The computer simulation is adopted to assess the effects of noise on the quality of the PLL s phase estimation, then the qualities of the squaring loop and the Costas loop in the AWGN are analyzed. 采用计算机仿真的方法 ,评估加性高斯白噪声 (AWGN)对锁相环 (PLL)相位估计性能的影响 ,进而对AWGN下两种在工程中大量使用的非面向判决环———平方环和科斯塔斯 (Costas)环的性能情况进行仿真对比分析 ,得出在噪声对相位估计值的影响方面 ,平方环和科斯塔斯环的性能相似。 3. Costas loop is widely used to synchronize carrier in sup-pressed carrier communication system. 科斯塔斯环(Costas Loop)被广泛应用于抑制载波通信系统的载波同步。参考词条 Costas loop Costas loop Costas sequences HFM Costas COSTAS loop costas array Costas signal Costas loop Costas loop Digital Costas Loop digital Costas loop Costas frequency hopping signals four-phase Costas Loop Digital Costas loop Costas orthogonal sequence Digital costas loop design digital costas loop 激光读取头补充资料：云芝多糖K,云芝胞内多糖,蛋白多糖体PSK 药物名称：蛋白多糖体PSK 英文名：Krestin 别名：云芝多糖K,云芝胞内多糖,蛋白多糖体PSK 作用与特点：为较好的抗肿瘤免疫剂,并能增强细胞免疫功能.用于辅助治疗消化道肉瘤,肺癌及乳腺癌等肿瘤,有改善症状的效果. 用法用量：口服:3g,1/d,连服数月,剂量可视症状增减. 规格：片剂:1g. 类别：免疫增强剂（免疫反应调节剂）说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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