The algorithm is robust about noise, rotation and so on. And it has strong security and uniqueness. ( 2) Based on the perceptual hashing of the speech ZCR ( zero-crossing rate) and speech centroid, a speech content authentication algorithm is proposed.

Short-time logarithm energy with a constant has be used in the place of short-time energy of classical arithmetic in this article. The quotient and product of short-time energy and short-time zcr ( zero crossing rate) are basic parameters of the arithmetic.

本文以带常数的对数短时能量代替传统的短时能量，以短时过零率、短时能量之商、积作为端点检测算法中参量。

And it searches much further for the unvoiced frame according to the ZCR ( zero crossing rate), which is differ from unvoiced frame to background frame.

根据背景音和静音过零率的不同，进一步搜索符合要求的静音帧；

Based on acoustic characteristics of cough, using the short time zero crossing ratio ( ZCR) identifies the suspicious coughs in order to get the threshold of short time energy.

利用过零率来定位可疑咳嗽，从而确定能量阈值。

The stability against playback speed modification of ZCR ( zero-crossing rate) of audio signal is confirmed by theoretical analysis and experiments.

分析并通过实验验证了音频信号的过零率对回放速度修改这种去同步攻击的稳定性。

Then, the short time energy is combined with short time ZCR to implement the endpoint detection of cough in continuous speech.

在此基础上，将短时能量和过零率用于连续语音流中咳嗽信号的端点检测，具有较好的鲁棒性。

Super-high accelerator ZDC/ MA or ZDC/ M was used in vulcanization system to meet the requirements of vulcanization rate, and filling agent A was used to meet the special requirements such as embossed shaping.

硫化体系采用超高促进剂类型，ZDC/MZ或ZDC/M配型满足硫化速度要求；用填充剂A作填充剂，可以满足压花成型性的特殊要求。

About 45% of 900 Chinese people surveyed by China-based research firm ZDC this year said they have stopped watching TV, while 23% said they watch it every day and 21% watch frequently.

根据总部位于中国的研究公司ZDC的一项调查，今年接受调查的900个中国人中，有45%说他们已经不再看电视，而23%说他们每天都看电视，21%经常看电视。

According to data from ZDC, an internet consumption research centre, mobile phone makers competing in Chinese market totaled 118 in 2017, down from 134 in 2016.

根据一家名叫ZDC的互联网消费调研中心的数据显示，2017年中国手机市场上参与竞争的厂商数量有118家，较2016年的134家有所减少。

The clearance between the beating roll and bedplate in a ZDC beating engine is very important for its functioning.

ZDC打浆机飞刀辊与底刀之间的间隙，对打浆机的性能有着重要的影响。

Optimization of Parameters in a ZDC Beating Engine

ZDC打浆机参数的优化

In a separate interview with broadcaster ZDF, Schaeuble reiterated the need for banks to be recapitalized in order to prevent an escalation of the crisis.

在德国二台的单独采访中，朔伊布勒反复强调了进行银行资本重组的必要性，避免危机加剧。

Objective: To investigate the effect of type 2 diabetes mellitus on distraction osteogenesis using Zucker Diabetic fatty ( ZDF) rat, a model of type 2 diabetes mellitus.

目的探讨2型糖尿病对大鼠胫骨牵引成骨过程中的骨形成的影响。

Two German public broadcasters, ARD and ZDF, argue that users of3G handsets should have to pay them a monthly licence fee.

德国两家公共广播公司ARD和ZDF提出3G手机的用户应每月向他们支付一笔许可费。

If more than this value is greater than15mm diameter with ZDF series multi-function solenoid valve for special order.

若超过此值，通径大于15mm用ZDF系列多功能电磁阀作特殊订货。

ZDF said it was difficult to tell which were the doubles and which was the real Saddam.

ZDF称区分真的萨达姆和他的替身是非常困难的。

Angela Merkel, Germany's chancellor, told German television ZDF that she regretted GM's inaction and said a decision was needed urgently.

德国总理默克尔（Angela Merkel）对德国电视二台（ZDF）说，她对通用的无所作为感到遗憾，并表示迫切需要早作决定。

In all, 240 endpoints are available for use within any ZigBee device, with endpoint zero dedicated to the ZigBee Device Object ( ZDO), which provides control and management commands.

端点定义了在某个应用中一个设备的通信实体。例如，一个遥控器可能利用端点。

Any device or application can send a ZDO message to another device ( over the air) to build a binding record for that other device in the network.

任何一个设备或应用服务，都能通过无线信道向网络上的另一个设备发送一个ZDO消息，帮助其建立一个绑定记录。

Collaborative learning theory, ZDP theory and process writing theory provide a strong support for the application of peer feedback.

合作学习理论、最近发展区理论和过程写作理论给予了同伴反馈坚实的理论支撑。

Discuss on English reading material from the theory of ZDP

最近发展区理论对英语阅读材料选择的启示