单项选择题

（五）视频传输通道主要指标问答。
色度/亮度增益值对图像质量的影响（）

A、标准值±5%
B、数值过大引起图像饱和度失真
C、此值为负值时图像色彩变淡；此值为正值时图像色彩过浓、轮廓不分明
D、在通道输入端用标准信号发生器发送2T信号，输出端用视频测试仪测量
此题为多项选择题。

你可能感兴趣的试题

气象检测器实测项目温度误差为±1℃（）

此题为判断题(对，错)。

答案：错。气象检测器实测项目的温度误差为±1℃，这是一个定量的描述，它说明了温度测量的精确度或不确定性。然而，这个描述本身并不...

单项选择题

for court celebrating later pat rejected drunk her with prison searched of prosecutor declaring both One evening police officers saw a man and woman running down a street. The police 1___ them. The woman had a bag of money in her hand and a bulge in 2_ jacket. They pat her down and found a gun. Then they 3_ down her companion; they found nothing. They took 4_to the station, booked them and arrested them for armed robbery. Back on patrol 5_ that night they saw a group of rowdy college students 6_ a football victory. The group was in a quiet neighborhood. The two officers told the youths to “keep quiet.” Still later, they saw a 7_ stumble and fell down; they took him to a nearby shelter. A few days later, a 8_ charged the two armed robbery suspects 9_ robbery, according to the state’s criminal code. The woman went to 10_; the jury acquited her because the only eyewitness died 11_ a heart attack the morning of the trial. After charging her companion, the prosecutor offered the male suspect a “deal.” In exchange 12_ a plea of guilty, the prosecutor would reduce the charge to simple theft and ask the judge for a sentence to a newly instituted home confinement program instead of to prison. The man accepted the deal and pleaded guilty, but the judge 13__ the request for home confinement. She sentenced the man to 14_ for two years. Because of good behavior and a court order 15____ the overcrowded prison to be in violation of the Constitution, prison officials released the man after six months, judging that he would not seriously endanger the community.