keying

The author claims that, by using the software, people can obtain keying system they wanted.

利用这些方法,软件开发者便可设计出满足需要的键控系统.

Traditionally the noncoherent frequency-shift-keying ( FSK) is more commonly used in FHSS systems due to its simplicity compared with the coherent phase-shift-keying ( PSK) scheme.

传统的非相干移频键控广泛应用于跳频扩频系统中，因为它相对于相干移相键控比较简单。

Automatic switch-off function switches off the VF Scan 60 seconds after last keying in of data.

自动切换 小康 功能的开关关闭的VF扫描60秒后,去年在键控的数据.

Error performance analysis of antipodal chaos-shift-keying system under a noisy multiuser environment

双极性CSK混沌通信系统多用户噪声性能分析

The Binary phase shift keying ( BPSK) and Mary amplitude shift keying ( MASK) are widely used in radar systems, their elliptic covariance do not equal zero, are noncircular signals.

二进制相移键控（BPSK）和幅度调制（MASK）等信号是雷达系统中常用的信号，这种调制信号的椭圆协方差矩阵不为零，被称为非圆信号。

This piano wants keying up.

这架钢琴需要调音.

The Continuous Phase Frequency Shift Keying ( CPFSK ) signaling scheme has been widely used in mobile applications.

连续相位频移键控 ( CPFSK ) 信号广泛应用于便携式移动通信系统.

Via panel keying to control paper-feed.

纸张每次输送距离经由仪表板键入数字.

Generally speaking, PSK system performance than switch Keying FSK system well, but must use synchronous detector.

一般来说, PSK系统的性能要比开关键控FSK系统好, 但必须使用同步检波.

Thirdly, we quantify the power penalty caused by the PMD in optical subcarrier multiplexing ( OSCM) system with amplitude shift keying ( ASK) and binary phase shift keying ( BPSK).

第三，对采用不同调制格式（包括幅移键控和二进制相移键控）的光副载波复用（OSCM）系统中，PMD引起的功率代价进行了量化。

Keying this year big age?

郭可盈今年多大岁数了?

The Design of High Stability Keying Frequency Modulation Oscillator

高稳定度键控调频信号发生器设计

At present, many researches about all-optical wavelength converters only based on the signal modulation formats of binary amplitude shift keying ( OOK) and differential phase shift keying ( DPSK), but it is very few to the signal modulation format of polarization shift keying ( PolSK).

目前，全光波长转换器的研究主要集中在二进制振幅键控（OOK）和差分移相键控（DPSK）信号调制格式，对于偏振移位键控（PolSK）信号调制格式全光波长转换的研究很少。

This paper describes the Keying After Effects in the general process and introduced a method commonly used by several Keying apply each method and the environment.

抠像大多运用于电影和电视的特效制作上，因此，掌握好这项技术是一个高端的影视制作人的必备条件之一。

Among them, keying fusion Filter is achieved by using background difference keying algorithm and the OpenCV library; network video-audio sender and receiver Filter is achieved by using WinSock technology.

其中，抠像融合Filter采用了背景差分抠像算法和OpenCV库进行实现：网络视音频发送和接收Filter采用了WinSock技术进行实现。

Keying EPS sandwiched panel for incubation equipment is a self-developed high-performance panel.

科盈孵化设备板材面板是由我公司自主研发的高性能板材.

The minimum squared Euclidean distance ( MSED ) of 2-ary multi-k continuous-phase frequency-shift keying ( CPFSK ) signal is presented.

本文详细讨论了二进制多h连续相 位移频键控 ( CPFSK ) 信号的最小平方欧几里德距离 ( MSED ),提出了决定MSED的信号隔离度的概念.

All digital receiver of quadrature phase shift keying with large frequency shift correction

四相相移键控调制的抗大频偏的全数字接收机

Chroma keying can be performed in either software or hardware on a media processor.

色度键控可以在媒体处理器上以软件或者硬件形式来实现.

How can I perform color keying with DirectX graphics?

在DX中怎么做颜色索引?

The generalized constellation makes MLDA possible and can be applied to demodulation of frequency-shift-keying communication system.

广义星座图不仅使差分跳频接收机最大似然序列检测成为可能,而且适用于采用频率来荷载信息的通信系统的符号或序列检测.

As the name of the new mode says, PSK ( phase shift keying ) modulates the carrier phase.

正如这种新操作模式的名字所指的, PSK ( 相移键控 ) 调制载波的相位.

In modern Sonar equipment the several signal operation modes are usually required, for instance, the keying single frequency signal operation mode, the keying frequency modulation signal operation mode and etc.

在现代声纳中常要求在一部声纳中同时具有几种信号工作方式的功能，例如单频脉冲信号工作方式、键控式调频信号工作方式等等。

Linear keying preserves soft key edges, and generally has a gain of 1, or unity.

线性键控保持键的柔边, 并且通常增益值取1或一致.

At this point in time roll forward will go on until users decided to halt by keying cancel.

在这一时间点上，前滚将继续，直到用户决定通过键入cancel来停止前滚。

The phase modulation has some more advantages against CW, which uses ASK ( amplitude shift keying ).

相位调制与使用ASK ( 幅度键控 ) 的CW相比有很多优点.

Jones went inland, low ? keying everything.

琼斯去了内地, 一切保持低调.

Extended Binary Phase Shift Keying ( EBPSK ) is a kind of bandwidth efficient modulations.

扩展的二元相移 键控 是一种高效调制技术.

Chaos masking, chaotic parameter modulation, chaos shift keying, chaotic spread spectrum sequence are discussed in detail.

其中重点分析了混沌掩盖技术, 混沌参数调制技术, 混沌键控技术和混沌扩频技术的原理.

The Frequency Shift Keying modulation is widely used in HF digital communication.

移频键控是短波数字通信中常用的一种调制方式.