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detector

基于位置敏感探測(cè)器的微位移測(cè)量關(guān)鍵電路設(shè)計(jì)

位置敏感探測(cè)器PSD（Position Sensitive detector PSD）具有位置分辨精度高（可達(dá)1～2 μm）、輸出實(shí)時(shí)性好（響應(yīng)時(shí)間約幾微秒）、系統(tǒng)簡(jiǎn)潔的特點(diǎn)，在位置探測(cè)及相關(guān)領(lǐng)域內(nèi)獲得了廣泛的應(yīng)用；但PSD的輸出信號(hào)小，易受到電路噪聲的影響，若要充分發(fā)揮其性能，則需要高精度、高穩(wěn)定度、低噪聲的測(cè)量電路。針對(duì)PSD這種較高的使用要求，通過對(duì)其等效模型的分析，找到了影響位置分辨精度的主要因素，并提出了一種新形式的測(cè)量電路，減少了測(cè)量電路級(jí)數(shù)，降低了電路的噪聲以及測(cè)量電路內(nèi)部的漂移，同時(shí)具有對(duì)位置測(cè)量非線性的校正功能。采用上述原理以S1880 PSD建立的位置測(cè)量系統(tǒng)的位置分辨達(dá)到2～3 μm。

標(biāo)簽： 敏感探測(cè)器微位移測(cè)量電路設(shè)計(jì)

上傳時(shí)間： 2013-11-06

上傳用戶：skhlm
This program provides an example of how to configure the C8051F02x device to operate from an extern

This program provides an example of how to configure the C8051F02x device to operate from an external 22.1184MHz crystal attached to the XTAL1 andXTAL2 pins. Also enables Missing Clock detector.

標(biāo)簽： C8051F02x configure provides program

上傳時(shí)間： 2014-01-09

上傳用戶：1079836864
鎖相回路可視為一個(gè)輸出相位和輸入相位的回授系統(tǒng)用以同步輸入?yún)⒖加嵦?hào)和回授后輸出信號(hào)。并讓其操作同樣的頻率。如(圖一)所示

鎖相回路可視為一個(gè)輸出相位和輸入相位的回授系統(tǒng)用以同步輸入?yún)⒖加嵦?hào)和回授后輸出信號(hào)。并讓其操作同樣的頻率。如(圖一)所示，簡(jiǎn)單鎖相回路[3,4]是由三個(gè)電路構(gòu)成，分別為相位偵測(cè)器（Phase detector）、回路濾波器（Loop Filter）、壓控蕩器（VCO）

標(biāo)簽： 相位輸入鎖相回路可視

上傳時(shí)間： 2015-08-16

上傳用戶：franktu
A new blind adaptive multiuser detection scheme based on a hybrid of Kalman filter and subspace est

A new blind adaptive multiuser detection scheme based on a hybrid of Kalman filter and subspace estimation is proposed. It is shown that the detector can be expressed as an anchored signal in the signal subspace and the coefficients can be estimated by the Kalman filter using only the signature waveform and the timing of the desired user.

標(biāo)簽： multiuser detection adaptive subspace

上傳時(shí)間： 2015-09-07

上傳用戶：xieguodong1234
It may analyze the window structure, the advancement and the window news, has the very greatly auxil

It may analyze the window structure, the advancement and the window news, has the very greatly auxiliary function to the development work. When we need to study some object, so long as assigns out its search window, drives the detector the indicator to assign the window/to control on to release then. Under, the author on and everybody same place, makes with VC to belong to own Spy++.

標(biāo)簽： the window advancement structure

上傳時(shí)間： 2013-12-31

上傳用戶：ghostparker
This paper presents the key circuits of a 1MHz bandwidth, 750kb/s GMSK transmitter. The fractional-N

This paper presents the key circuits of a 1MHz bandwidth, 750kb/s GMSK transmitter. The fractional-N synthesizer forming the basis of the transmitter uses a combined phasefrequency detector (PFD) and digital-to-analog converter (DAC) circuit element to obtain >28dB high frequency noise reduction when compared to classicalfrequency synthesis.

標(biāo)簽： fractional-N transmitter bandwidth circuits

上傳時(shí)間： 2016-04-14

上傳用戶：er1219
SIFT代碼

SIFT代碼，包括detector & descriptor.Matlab版本，內(nèi)有詳細(xì)的說明文檔。值得一看

標(biāo)簽： SIFT 代碼

上傳時(shí)間： 2014-11-18

上傳用戶：helmos
極大值抑制與雙閾值門限得到圖像邊緣： * nonmaxsuppts.m Code for performing non-maxima suppression and thresholding of

極大值抑制與雙閾值門限得到圖像邊緣： * nonmaxsuppts.m Code for performing non-maxima suppression and thresholding of points generated by a feature/corner detector. It optionally returns sub-pixel feature locations.

標(biāo)簽： nonmaxsuppts thresholding suppression non-maxima

上傳時(shí)間： 2016-07-08

上傳用戶：guanliya
LatentSVM論文

The object detector described below has been initially proposed by P.F. Felzenszwalb in [Felzenszwalb2010]. It is based on a Dalal-Triggs detector that uses a single filter on histogram of oriented gradients (HOG) features to represent an object category. This detector uses a sliding window approach, where a filter is applied at all positions and scales of an image. The first innovation is enriching the Dalal-Triggs model using a star-structured part-based model defined by a “root” filter (analogous to the Dalal-Triggs filter) plus a set of parts filters and associated deformation models. The score of one of star models at a particular position and scale within an image is the score of the root filter at the given location plus the sum over parts of the maximum, over placements of that part, of the part filter score on its location minus a deformation cost easuring the deviation of the part from its ideal location relative to the root. Both root and part filter scores are defined by the dot product between a filter (a set of weights) and a subwindow of a feature pyramid computed from the input image. Another improvement is a representation of the class of models by a mixture of star models. The score of a mixture model at a particular position and scale is the maximum over components, of the score of that component model at the given location.

標(biāo)簽： 計(jì)算機(jī)視覺

上傳時(shí)間： 2015-03-15

上傳用戶：sb_zhang
4x4 BLAST;MIMO ML outputs

19.2 Mbps 4x4 BLAST&MIMO detector with soft ML outputs。純英文論文，外國文獻(xiàn)

標(biāo)簽： 論文方法 MIMO BLAST

上傳時(shí)間： 2015-04-21

上傳用戶：asdf20